MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb38f4b63cad4967ed1fb59263513a57b05fa16dd1daa66887128e169a4eb03. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Backdoor.TeamViewer


Vendor detections: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfb38f4b63cad4967ed1fb59263513a57b05fa16dd1daa66887128e169a4eb03
SHA3-384 hash: 179e93831572e361ca45d7ef280af99514e42b9eece33225817d34767fbb157a030739506f6604c18862fcf14086536d
SHA1 hash: aff15c787ee6fb8765730aec417bbc0a1751c4bc
MD5 hash: 380ee9a587e65797b4ceca5871ef37a5
humanhash: cat-oscar-north-beryllium
File name:file
Download: download sample
Signature Backdoor.TeamViewer
Create hunting rule
File size:1'591'808 bytes
First seen:2023-10-23 06:42:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 24576:zyz3oBK18C/qnEE2+rj+RIYtLip+FxSLjps0eRcmMZ/wQR4:GzB8CVH40tOpqIJbZIQR
Threatray 1'897 similar samples on MalwareBazaar
TLSH T15E7523A7A7E84033CD6017B150F612872A767CB58D38125A1B99ED0F5E733C0B97276B
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter andretavare5
Tags:Backdoor.TeamViewer exe


Avatar
andretavare5
Sample downloaded from http://109.107.182.2/race/bus50.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-23 07:13:30 UTC
Tags:
stealc stealer redline trojan amadey botnet sinkhole loader smoke opendir
Link:
https://app.any.run/tasks/39d9446b-d64c-4705-89b3-de06e72a94ef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28840.BadO.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Agent.EAOQ.26295.2066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Сreating synchronization primitives
Launching a service
Creating a file
Creating a window
Launching cmd.exe command interpreter
Running batch commands
Searching for synchronization primitives
Adding an access-denied ACE
Forced shutdown of a system process
Blocking the Windows Defender launch
Disabling the operating system update service
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
advpack anti-vm CAB control explorer installer installer lolbin packed packed rundll32 setupapi sfx shell32
Link:
https://www.filescan.io/uploads/653615f74678fc28dfc5829b/reports/ead63dbb-7846-47cb-b3b6-d05fa5b6531a/overview
Verdict:
Malicious
Labled as:
TR/Dldr.Agent_AGen
Link:
https://www.hybrid-analysis.com/sample/bfb38f4b63cad4967ed1fb59263513a57b05fa16dd1daa66887128e169a4eb03
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/20b67bd5-cb21-44df-ae68-56d3e94eb4e2
Result
Threat name:
Amadey, LummaC Stealer, Mystic Stealer,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1330352
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies windows update settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys Clipper DLL
Yara detected Amadeys stealer DLL
Yara detected LummaC Stealer
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330352 Sample: file.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 162 raw.githubusercontent.com 2->162 164 45.97.11.0.in-addr.arpa 2->164 166 11 other IPs or domains 2->166 176 Snort IDS alert for network traffic 2->176 178 Found malware configuration 2->178 180 Malicious sample detected (through community Yara rule) 2->180 182 18 other signatures 2->182 15 file.exe 1 4 2->15         started        18 svchost.exe 2->18         started        21 rundll32.exe 2->21         started        23 3 other processes 2->23 signatures3 process4 file5 152 C:\Users\user\AppData\Local\...\Ak6Yi19.exe, PE32 15->152 dropped 154 C:\Users\user\AppData\Local\...\6Lt3VT0.exe, PE32 15->154 dropped 25 Ak6Yi19.exe 1 4 15->25         started        174 Changes security center settings (notifications, updates, antivirus, firewall) 18->174 signatures6 process7 file8 134 C:\Users\user\AppData\Local\...\oM9lc00.exe, PE32 25->134 dropped 136 C:\Users\user\AppData\Local\...\5oa8II8.exe, PE32 25->136 dropped 218 Antivirus detection for dropped file 25->218 220 Multi AV Scanner detection for dropped file 25->220 222 Machine Learning detection for dropped file 25->222 29 oM9lc00.exe 1 4 25->29         started        33 5oa8II8.exe 25->33         started        35 Conhost.exe 25->35         started        signatures9 process10 file11 146 C:\Users\user\AppData\Local\...\BV6UL24.exe, PE32 29->146 dropped 148 C:\Users\user\AppData\Local\...\4Qs102UZ.exe, PE32 29->148 dropped 234 Multi AV Scanner detection for dropped file 29->234 236 Machine Learning detection for dropped file 29->236 37 BV6UL24.exe 1 4 29->37         started        41 4Qs102UZ.exe 29->41         started        150 C:\Users\user\AppData\Local\...\explothe.exe, PE32 33->150 dropped 238 Antivirus detection for dropped file 33->238 43 explothe.exe 33->43         started        signatures12 process13 dnsIp14 126 C:\Users\user\AppData\Local\...\rQ3ll10.exe, PE32 37->126 dropped 128 C:\Users\user\AppData\Local\...\3dT74fJ.exe, PE32 37->128 dropped 204 Multi AV Scanner detection for dropped file 37->204 206 Machine Learning detection for dropped file 37->206 46 3dT74fJ.exe 37->46         started        49 rQ3ll10.exe 1 4 37->49         started        208 Writes to foreign memory regions 41->208 210 Allocates memory in foreign processes 41->210 212 Injects a PE file into a foreign processes 41->212 52 AppLaunch.exe 3 41->52         started        55 AppLaunch.exe 41->55         started        172 77.91.124.1, 49711, 49712, 49713 ECOTEL-ASRU Russian Federation 43->172 130 C:\Users\user\AppData\Roaming\...\clip64.dll, PE32 43->130 dropped 132 C:\Users\user\AppData\Local\...\clip64[1].dll, PE32 43->132 dropped 214 Creates an undocumented autostart registry key 43->214 216 Uses schtasks.exe or at.exe to add and modify task schedules 43->216 57 cmd.exe 43->57         started        59 schtasks.exe 43->59         started        61 rundll32.exe 43->61         started        file15 signatures16 process17 dnsIp18 240 Multi AV Scanner detection for dropped file 46->240 242 Writes to foreign memory regions 46->242 244 Allocates memory in foreign processes 46->244 246 Injects a PE file into a foreign processes 46->246 63 AppLaunch.exe 46->63         started        110 C:\Users\user\AppData\Local\...\2Nz7315.exe, PE32 49->110 dropped 112 C:\Users\user\AppData\Local\...\1Sv36TS9.exe, PE32 49->112 dropped 66 1Sv36TS9.exe 49->66         started        68 2Nz7315.exe 12 49->68         started        168 109.107.182.133, 19084, 49710, 49760 TELEPORT-TV-ASRU Russian Federation 52->168 248 Tries to harvest and steal browser information (history, passwords, etc) 52->248 71 conhost.exe 57->71         started        73 cmd.exe 57->73         started        75 cacls.exe 57->75         started        79 4 other processes 57->79 77 conhost.exe 59->77         started        file19 signatures20 process21 dnsIp22 250 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 63->250 252 Maps a DLL or memory area into another process 63->252 254 Checks if the current machine is a virtual machine (disk enumeration) 63->254 256 Creates a thread in another existing process (thread injection) 63->256 81 explorer.exe 63->81 injected 258 Contains functionality to inject code into remote processes 66->258 260 Writes to foreign memory regions 66->260 262 Allocates memory in foreign processes 66->262 264 Injects a PE file into a foreign processes 66->264 86 AppLaunch.exe 9 1 66->86         started        88 AppLaunch.exe 66->88         started        170 193.233.255.73, 49709, 49754, 49813 FREE-NET-ASFREEnetEU Russian Federation 68->170 266 Multi AV Scanner detection for dropped file 68->266 signatures23 process24 dnsIp25 156 5.42.65.80, 49793, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 81->156 158 77.91.68.249, 49756, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 81->158 160 6 other IPs or domains 81->160 114 C:\Users\user\AppData\Local\Temp\B3D9.exe, PE32+ 81->114 dropped 116 C:\Users\user\AppData\Local\Temp\9E3C.exe, PE32 81->116 dropped 118 C:\Users\user\AppData\Local\Temp\9A92.exe, PE32+ 81->118 dropped 120 14 other files (13 malicious) 81->120 dropped 184 System process connects to network (likely due to code injection or exploit) 81->184 186 Benign windows process drops PE files 81->186 188 Hides that the sample has been downloaded from the Internet (zone.identifier) 81->188 90 22F2.exe 81->90         started        94 2507.exe 81->94         started        96 cmd.exe 81->96         started        98 2 other processes 81->98 190 Modifies windows update settings 86->190 192 Disable Windows Defender notifications (registry) 86->192 194 Disable Windows Defender real time protection (registry) 86->194 196 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 88->196 198 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 88->198 file26 signatures27 process28 file29 138 C:\Users\user\AppData\Local\...\iJ6DT7AR.exe, PE32 90->138 dropped 140 C:\Users\user\AppData\Local\...\6Gs56Hj.exe, PE32 90->140 dropped 224 Antivirus detection for dropped file 90->224 226 Machine Learning detection for dropped file 90->226 100 iJ6DT7AR.exe 90->100         started        228 Multi AV Scanner detection for dropped file 94->228 104 conhost.exe 96->104         started        signatures30 process31 file32 122 C:\Users\user\AppData\Local\...\pA6Gi7eK.exe, PE32 100->122 dropped 124 C:\Users\user\AppData\Local\...\5Eq82Dv.exe, PE32 100->124 dropped 200 Antivirus detection for dropped file 100->200 202 Machine Learning detection for dropped file 100->202 106 pA6Gi7eK.exe 100->106         started        signatures33 process34 file35 142 C:\Users\user\AppData\Local\...\qK5uR0Iq.exe, PE32 106->142 dropped 144 C:\Users\user\AppData\Local\...\4DU777dj.exe, PE32 106->144 dropped 230 Antivirus detection for dropped file 106->230 232 Machine Learning detection for dropped file 106->232 signatures36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bfb38f4b63cad4967ed1fb59263513a57b05fa16dd1daa66887128e169a4eb03
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bfb38f4b63cad4967ed1fb59263513a57b05fa16dd1daa66887128e169a4eb03/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-23 06:43:06 UTC
File Type:
PE (Exe)
Extracted files:
193
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6zy6s3dzlkjm7wr7nmsmnituv5ql6qw3uo2uzuioeuoc2ne5mbq._file
Verdict:
malicious
Similar samples:
52d0ec4cf463ff2be417e77b5f63e1a610baa624bf7e0e0dea0343108ee679b4
Backdoor.TeamViewer
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ebfa7ea503f8b9a725b32c32a8821c27b4296d4cd3480b0a73e9fe4b110ee85e
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f129160b33ebfc78b8230a259ada17abfda40b0a3f3af69c7896afa29de82da7
Backdoor.TeamViewer
+ 1'887 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:asyncrat family:dcrat family:glupteba family:redline family:smokeloader botnet:5141679758_99 botnet:default botnet:homed botnet:kinder botnet:up3 botnet:yt&team cloud backdoor discovery dropper evasion infostealer loader persistence rat rootkit spyware stealer trojan upx
Link:
https://tria.ge/reports/231023-hgxcdsef21/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMonFS driver.
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Blocklisted process makes network request
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
Async RAT payload
Amadey
AsyncRat
DcRat
Glupteba
Glupteba payload
Modifies Windows Defender Real-time Protection settings
RedLine
RedLine payload
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
http://77.91.68.29/fks/
109.107.182.133:19084
http://77.91.124.1/theme/index.php
https://pastebin.com/raw/8baCJyMF
185.216.70.238:37515
http://host-file-host6.com/
http://host-host-file8.com/
89.23.100.93:4449
Unpacked files
SH256 hash:
160ea596dea538000394fde4ba2d40fd2be5ab50037a77ba3000e927bff84ef1
MD5 hash:
22b50c95b39cbbdb00d5a4cd3d4886bd
SHA1 hash:
db8326c4fad0064ce3020226e8556e7cce8ce04e
Link:
https://www.unpac.me/results/d0206088-5e00-4c82-a5a3-77401e750fde/
Parent samples :
24b66c0d6f26f5de09b4cb7a2496bf87ad0ed9d45e846870dee70941b565bc3c
d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200
SH256 hash:
c1888d754cb453234c8276940c7ef0b9219c591b01aaacd89926c4c0afdbafd9
MD5 hash:
16c8ec64ba75d5729ef68a3831139516
SHA1 hash:
1af3d9da9866b85832a46bb68a1efac82d8bd9d8
Link:
https://www.unpac.me/results/d0206088-5e00-4c82-a5a3-77401e750fde/
SH256 hash:
4c79fa66a7184d73944b5c2f1873dcc1b7176390e11df2594bc66e837c4ec268
MD5 hash:
5284af8ad56b76da333f0317f8c68c44
SHA1 hash:
06ed7f40e6bcde46d92238f48c4513f005d52fd3
Link:
https://www.unpac.me/results/d0206088-5e00-4c82-a5a3-77401e750fde/
SH256 hash:
b26a6c41c9b9aa84129631d080360a4cc3861cb4058944e3f4e66e2e723313e0
MD5 hash:
3e8fd21fe2fcdec74ca597c1333ded12
SHA1 hash:
ce01d4c22161dde27000d91410954a3b4d0feaef
Detections:
Amadey
Create hunting rule
win_amadey_auto
Create hunting rule
Link:
https://www.unpac.me/results/d0206088-5e00-4c82-a5a3-77401e750fde/
Parent samples :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 hash:
bfb38f4b63cad4967ed1fb59263513a57b05fa16dd1daa66887128e169a4eb03
MD5 hash:
380ee9a587e65797b4ceca5871ef37a5
SHA1 hash:
aff15c787ee6fb8765730aec417bbc0a1751c4bc
Link:
https://www.unpac.me/results/d0206088-5e00-4c82-a5a3-77401e750fde/
Malware family:
Amadey
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfb38f4b63ca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:detect_Redline_Stealer
Create hunting rule
Author:Varp0s
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:mal_healer
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:Payload disabling Windows AV
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2722824/

Comments