MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a3fbcc0f4c9649eeb3e94e532de3b50f11e0221a4e1089758ae2cca1348ffa. 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 15 File information Comments

SHA256 hash: 48a3fbcc0f4c9649eeb3e94e532de3b50f11e0221a4e1089758ae2cca1348ffa
SHA3-384 hash: 1a4164f281acf3270ee39008e03c9360ed06d97003a583bd0271fed515fb870536ebb553c2cb07a7a6c841b0444f5d47
SHA1 hash: 207274b60050750baf6acf9ed6ccc0f5190060eb
MD5 hash: 7f5f4a01766ce8e3a62e2500295b4f62
humanhash: equal-spring-bakerloo-delaware
File name:file
Download: download sample
Signature Backdoor.TeamViewer
File size:1'582'592 bytes
First seen:2023-10-23 14:29:13 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 49152:6jh3gXlMsVdcsGlohngjhJflpaywgGxWIQ72:e3+lMsVdTG6ngdPpaywNxW2
Threatray 1'961 similar samples on MalwareBazaar
TLSH T166752302FBD60071D879637056FE62930E3238B39B7993363661A95A1EF3A45C93077B
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 :
323
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-23 14:40:34 UTC
Tags:
stealc stealer redline sinkhole amadey botnet trojan loader smoke opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Searching for synchronization primitives
Running batch commands
Blocking the Windows Defender launch
Disabling the operating system update service
Sending an HTTP POST request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
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
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.
Result
Threat name:
Amadey, LummaC Stealer, Mystic Stealer,
Detection:
malicious
Classification:
phis.troj.spyw.evad.mine
Score:
100 / 100
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
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
PE file has a writeable .text section
Phishing site detected (based on logo match)
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)
Query firmware table information (likely to detect VMs)
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
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330654 Sample: file.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 153 raw.githubusercontent.com 2->153 155 youtube-ui.l.google.com 2->155 157 17 other IPs or domains 2->157 195 Snort IDS alert for network traffic 2->195 197 Found malware configuration 2->197 199 Malicious sample detected (through community Yara rule) 2->199 201 20 other signatures 2->201 15 file.exe 1 4 2->15         started        18 svchost.exe 2->18         started        21 svchost.exe 1 2->21         started        23 6 other processes 2->23 signatures3 process4 file5 149 C:\Users\user\AppData\Local\...\Hx8SU86.exe, PE32 15->149 dropped 151 C:\Users\user\AppData\Local\...\6vI3Zs0.exe, PE32 15->151 dropped 25 Hx8SU86.exe 1 4 15->25         started        191 Changes security center settings (notifications, updates, antivirus, firewall) 18->191 193 Query firmware table information (likely to detect VMs) 21->193 signatures6 process7 file8 127 C:\Users\user\AppData\Local\...\tN6wj69.exe, PE32 25->127 dropped 129 C:\Users\user\AppData\Local\...\5Km0he0.exe, PE32 25->129 dropped 219 Antivirus detection for dropped file 25->219 221 Machine Learning detection for dropped file 25->221 29 tN6wj69.exe 1 4 25->29         started        33 5Km0he0.exe 25->33         started        signatures9 process10 file11 135 C:\Users\user\AppData\Local\...\Mt0jJ90.exe, PE32 29->135 dropped 137 C:\Users\user\AppData\Local\...\4Hi545rH.exe, PE32 29->137 dropped 227 Antivirus detection for dropped file 29->227 229 Machine Learning detection for dropped file 29->229 35 Mt0jJ90.exe 1 4 29->35         started        39 4Hi545rH.exe 29->39         started        41 conhost.exe 29->41         started        139 C:\Users\user\AppData\Local\...\explothe.exe, PE32 33->139 dropped 43 explothe.exe 33->43         started        signatures12 process13 dnsIp14 115 C:\Users\user\AppData\Local\...\bt6zC43.exe, PE32 35->115 dropped 117 C:\Users\user\AppData\Local\...\3VF22xX.exe, PE32 35->117 dropped 203 Antivirus detection for dropped file 35->203 205 Machine Learning detection for dropped file 35->205 46 3VF22xX.exe 35->46         started        49 bt6zC43.exe 1 4 35->49         started        207 Multi AV Scanner detection for dropped file 39->207 209 Writes to foreign memory regions 39->209 211 Allocates memory in foreign processes 39->211 213 Injects a PE file into a foreign processes 39->213 52 AppLaunch.exe 39->52         started        161 77.91.124.1, 49704, 49705, 49706 ECOTEL-ASRU Russian Federation 43->161 119 C:\Users\user\AppData\Roaming\...\clip64.dll, PE32 43->119 dropped 121 C:\Users\user\AppData\Local\...\clip64[1].dll, PE32 43->121 dropped 215 Creates an undocumented autostart registry key 43->215 217 Uses schtasks.exe or at.exe to add and modify task schedules 43->217 55 cmd.exe 43->55         started        57 schtasks.exe 43->57         started        59 rundll32.exe 43->59         started        file15 signatures16 process17 dnsIp18 231 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 46->231 233 Maps a DLL or memory area into another process 46->233 235 Checks if the current machine is a virtual machine (disk enumeration) 46->235 237 Creates a thread in another existing process (thread injection) 46->237 61 explorer.exe 52 36 46->61 injected 111 C:\Users\user\AppData\Local\...\2Jw7226.exe, PE32 49->111 dropped 113 C:\Users\user\AppData\Local\...\1dJ90Nv6.exe, PE32 49->113 dropped 66 1dJ90Nv6.exe 49->66         started        68 2Jw7226.exe 12 49->68         started        159 77.91.124.86, 19084, 49703, 49757 ECOTEL-ASRU Russian Federation 52->159 239 Tries to harvest and steal browser information (history, passwords, etc) 52->239 70 conhost.exe 55->70         started        72 cmd.exe 55->72         started        74 cacls.exe 55->74         started        78 4 other processes 55->78 76 conhost.exe 57->76         started        file19 signatures20 process21 dnsIp22 163 5.42.65.80, 49801, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 61->163 165 77.91.68.249, 49745, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 61->165 171 6 other IPs or domains 61->171 141 C:\Users\user\AppData\Local\Temp\FE1E.exe, PE32 61->141 dropped 143 C:\Users\user\AppData\Local\Temp\FB00.exe, PE32 61->143 dropped 145 C:\Users\user\AppData\Local\TempECA.exe, PE32 61->145 dropped 147 13 other malicious files 61->147 dropped 241 System process connects to network (likely due to code injection or exploit) 61->241 243 Benign windows process drops PE files 61->243 80 A861.exe 61->80         started        84 ABAE.exe 61->84         started        86 rundll32.exe 61->86         started        90 2 other processes 61->90 245 Multi AV Scanner detection for dropped file 66->245 247 Contains functionality to inject code into remote processes 66->247 249 Writes to foreign memory regions 66->249 251 2 other signatures 66->251 88 AppLaunch.exe 9 1 66->88         started        167 193.233.255.73, 49702, 49744, 49756 FREE-NET-ASFREEnetEU Russian Federation 68->167 169 clients2.google.com 68->169 file23 signatures24 process25 file26 103 C:\Users\user\AppData\Local\...\Yy7ho7vF.exe, PE32 80->103 dropped 105 C:\Users\user\AppData\Local\...\6PB72HV.exe, PE32 80->105 dropped 173 Antivirus detection for dropped file 80->173 175 Machine Learning detection for dropped file 80->175 92 Yy7ho7vF.exe 80->92         started        177 Multi AV Scanner detection for dropped file 84->177 179 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 88->179 181 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 88->181 183 Modifies windows update settings 88->183 185 2 other signatures 88->185 signatures27 process28 file29 131 C:\Users\user\AppData\Local\...\HG1dr9gG.exe, PE32 92->131 dropped 133 C:\Users\user\AppData\Local\...\5bX46hw.exe, PE32 92->133 dropped 223 Antivirus detection for dropped file 92->223 225 Machine Learning detection for dropped file 92->225 96 HG1dr9gG.exe 92->96         started        signatures30 process31 file32 107 C:\Users\user\AppData\Local\...\qE6Ha7Dp.exe, PE32 96->107 dropped 109 C:\Users\user\AppData\Local\...\4Qb464Db.exe, PE32 96->109 dropped 187 Antivirus detection for dropped file 96->187 189 Machine Learning detection for dropped file 96->189 100 qE6Ha7Dp.exe 96->100         started        signatures33 process34 file35 123 C:\Users\user\AppData\Local\...\jM5BL3Zy.exe, PE32 100->123 dropped 125 C:\Users\user\AppData\Local\...\3rs5tI70.exe, PE32 100->125 dropped
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2023-10-23 15:01:19 UTC
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:amadey family:asyncrat family:dcrat family:glupteba family:redline family:smokeloader botnet:5141679758_99 botnet:default botnet:grome botnet:kinza botnet:up3 botnet:yt&team cloud backdoor brand:google discovery dropper evasion infostealer loader persistence phishing rat rootkit spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Runs net.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
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 SetWindowsHookEx
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
Possible attempt to disable PatchGuard
Stops running service(s)
Async RAT payload
Modifies boot configuration data using bcdedit
Amadey
AsyncRat
DcRat
Detected google phishing page
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/
77.91.124.86:19084
http://77.91.124.1/theme/index.php
https://pastebin.com/raw/8baCJyMF
http://host-file-host6.com/
http://host-host-file8.com/
185.216.70.238:37515
89.23.100.93:4449
Unpacked files
SH256 hash:
160ea596dea538000394fde4ba2d40fd2be5ab50037a77ba3000e927bff84ef1
MD5 hash:
22b50c95b39cbbdb00d5a4cd3d4886bd
SHA1 hash:
db8326c4fad0064ce3020226e8556e7cce8ce04e
SH256 hash:
4971c6f1b9f64f14b548857d7dd3ac1d65d2521fbf471d7b39bd0ccebd40dd20
MD5 hash:
b1ed61a947f71df57128cd269ab9e32c
SHA1 hash:
5cbdefbd387105f7ce754274f16379b5bcdeef6b
SH256 hash:
03c8d975b30faa0bcdefcaee64e1294d53dbdb29477e2062de473493fafa4d59
MD5 hash:
5da13856ad9188c5d9adfb2829b9b3a1
SHA1 hash:
471677f4eba0fc334095dfb36c09bc8f9fa7480f
SH256 hash:
48a3fbcc0f4c9649eeb3e94e532de3b50f11e0221a4e1089758ae2cca1348ffa
MD5 hash:
7f5f4a01766ce8e3a62e2500295b4f62
SHA1 hash:
207274b60050750baf6acf9ed6ccc0f5190060eb
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
Author:Varp0s
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:mal_healer
Author:Nikos 'n0t' Totosis
Description:Payload disabling Windows AV
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:redline_stealer_1
Author:Nikolaos 'n0t' Totosis
Description:RedLine Stealer Payload
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:UPX20030XMarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu

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

Comments