MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a648c4a8df863ea0ffdd17c5f4a07250f4f40cca5e7f9a628266acd8d08817f. 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 9 File information Comments

SHA256 hash: 1a648c4a8df863ea0ffdd17c5f4a07250f4f40cca5e7f9a628266acd8d08817f
SHA3-384 hash: 60d3adb8506bb207d969506ca33253d552612cca81c0359fe81b056bd36b2bc3720570a1ecf5e012b7bd19dc90cb5191
SHA1 hash: c5acd6bdebd71ee1443004939c359d67d7cf8f1a
MD5 hash: c8ee3a6885f27af7f2c2e918f8d2baed
humanhash: fillet-item-speaker-spring
File name:file
Download: download sample
Signature Backdoor.TeamViewer
File size:1'591'808 bytes
First seen:2023-10-23 10:49:08 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:/ylfzZWAQ0dXIEieHexkOuiY7HpAO19j5HmTjPQLE9p:Kl8AfX7Z+7ur7pr1v0jPQu
Threatray 2'121 similar samples on MalwareBazaar
TLSH T189752352E7C54173CEB573F098FE02871635BF660C7C81563781AC848DF2AA9A176B8B
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 :
362
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-23 11:24:03 UTC
Tags:
stealc stealer amadey botnet trojan opendir loader

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
Sending a custom TCP request
Creating a window
Running batch commands
Launching cmd.exe command interpreter
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Searching for synchronization primitives
Adding an access-denied ACE
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 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:
troj.spyw.evad
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
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)
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330507 Sample: file.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 139 raw.githubusercontent.com 2->139 141 146.215.12.0.in-addr.arpa 2->141 143 14 other IPs or domains 2->143 159 Snort IDS alert for network traffic 2->159 161 Found malware configuration 2->161 163 Malicious sample detected (through community Yara rule) 2->163 165 18 other signatures 2->165 14 file.exe 1 4 2->14         started        17 svchost.exe 2->17         started        20 svchost.exe 1 2->20         started        22 9 other processes 2->22 signatures3 process4 file5 129 C:\Users\user\AppData\Local\...\YR4Sr05.exe, PE32 14->129 dropped 131 C:\Users\user\AppData\Local\...\6nm9EA0.exe, PE32 14->131 dropped 24 YR4Sr05.exe 1 4 14->24         started        155 Changes security center settings (notifications, updates, antivirus, firewall) 17->155 157 Query firmware table information (likely to detect VMs) 20->157 signatures6 process7 file8 107 C:\Users\user\AppData\Local\...\jS4CQ90.exe, PE32 24->107 dropped 109 C:\Users\user\AppData\Local\...\5RU9wx0.exe, PE32 24->109 dropped 189 Antivirus detection for dropped file 24->189 191 Machine Learning detection for dropped file 24->191 28 jS4CQ90.exe 1 4 24->28         started        32 5RU9wx0.exe 24->32         started        signatures9 process10 file11 115 C:\Users\user\AppData\Local\...\WR9if94.exe, PE32 28->115 dropped 117 C:\Users\user\AppData\Local\...\4oA200Mx.exe, PE32 28->117 dropped 223 Machine Learning detection for dropped file 28->223 34 WR9if94.exe 1 4 28->34         started        38 4oA200Mx.exe 28->38         started        119 C:\Users\user\AppData\Local\...\explothe.exe, PE32 32->119 dropped 225 Antivirus detection for dropped file 32->225 227 Multi AV Scanner detection for dropped file 32->227 40 explothe.exe 32->40         started        signatures12 process13 dnsIp14 95 C:\Users\user\AppData\Local\...\Ka3sU66.exe, PE32 34->95 dropped 97 C:\Users\user\AppData\Local\...\3kf65GQ.exe, PE32 34->97 dropped 167 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 34->167 169 Machine Learning detection for dropped file 34->169 171 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 34->171 43 3kf65GQ.exe 34->43         started        46 Ka3sU66.exe 1 4 34->46         started        173 Multi AV Scanner detection for dropped file 38->173 175 Writes to foreign memory regions 38->175 177 Allocates memory in foreign processes 38->177 179 Injects a PE file into a foreign processes 38->179 49 AppLaunch.exe 38->49         started        145 77.91.124.1, 49706, 49707, 49708 ECOTEL-ASRU Russian Federation 40->145 99 C:\Users\user\AppData\Roaming\...\clip64.dll, PE32 40->99 dropped 101 C:\Users\user\AppData\Local\...\clip64[1].dll, PE32 40->101 dropped 181 Creates an undocumented autostart registry key 40->181 183 Uses schtasks.exe or at.exe to add and modify task schedules 40->183 52 cmd.exe 40->52         started        54 schtasks.exe 40->54         started        56 rundll32.exe 40->56         started        file15 signatures16 process17 dnsIp18 209 Multi AV Scanner detection for dropped file 43->209 211 Writes to foreign memory regions 43->211 213 Allocates memory in foreign processes 43->213 215 Injects a PE file into a foreign processes 43->215 58 AppLaunch.exe 43->58         started        133 C:\Users\user\AppData\Local\...\2ot7051.exe, PE32 46->133 dropped 135 C:\Users\user\AppData\Local\...\1mO24jp0.exe, PE32 46->135 dropped 61 1mO24jp0.exe 46->61         started        63 2ot7051.exe 12 46->63         started        137 109.107.182.133, 19084, 49712, 49756 TELEPORT-TV-ASRU Russian Federation 49->137 217 Tries to harvest and steal browser information (history, passwords, etc) 49->217 66 conhost.exe 52->66         started        68 cmd.exe 52->68         started        70 cacls.exe 52->70         started        74 4 other processes 52->74 72 conhost.exe 54->72         started        file19 signatures20 process21 dnsIp22 193 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 58->193 195 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 58->195 197 Maps a DLL or memory area into another process 58->197 205 2 other signatures 58->205 76 explorer.exe 41 37 58->76 injected 199 Multi AV Scanner detection for dropped file 61->199 201 Contains functionality to inject code into remote processes 61->201 203 Writes to foreign memory regions 61->203 207 2 other signatures 61->207 81 AppLaunch.exe 9 1 61->81         started        153 193.233.255.73, 49705, 49750, 80 FREE-NET-ASFREEnetEU Russian Federation 63->153 signatures23 process24 dnsIp25 147 5.42.65.80, 49788, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 76->147 149 77.91.68.249, 49751, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 76->149 151 6 other IPs or domains 76->151 121 C:\Users\user\AppData\Local\Temp\F77F.exe, PE32 76->121 dropped 123 C:\Users\user\AppData\Local\Temp57C.exe, PE32 76->123 dropped 125 C:\Users\user\AppData\Local\Temp155.exe, PE32 76->125 dropped 127 14 other files (13 malicious) 76->127 dropped 229 System process connects to network (likely due to code injection or exploit) 76->229 231 Benign windows process drops PE files 76->231 233 Hides that the sample has been downloaded from the Internet (zone.identifier) 76->233 83 9194.exe 76->83         started        87 rundll32.exe 76->87         started        89 rundll32.exe 76->89         started        235 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 81->235 237 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 81->237 239 Modifies windows update settings 81->239 241 2 other signatures 81->241 file26 signatures27 process28 file29 103 C:\Users\user\AppData\Local\...\Wm3MJ4Rn.exe, PE32 83->103 dropped 105 C:\Users\user\AppData\Local\...\6Kb46fq.exe, PE32 83->105 dropped 185 Antivirus detection for dropped file 83->185 187 Machine Learning detection for dropped file 83->187 91 Wm3MJ4Rn.exe 83->91         started        signatures30 process31 file32 111 C:\Users\user\AppData\Local\...\kb8Pg3FQ.exe, PE32 91->111 dropped 113 C:\Users\user\AppData\Local\...\5hB27oD.exe, PE32 91->113 dropped 219 Antivirus detection for dropped file 91->219 221 Machine Learning detection for dropped file 91->221 signatures33
Threat name:
Win32.Trojan.StealerC
Status:
Malicious
First seen:
2023-10-23 11:04:16 UTC
AV detection:
18 of 23 (78.26%)
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:homed botnet:kinder botnet:up3 botnet:yt&team cloud backdoor brand:google discovery dropper evasion infostealer loader persistence phishing rat spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Launches sc.exe
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Downloads MZ/PE file
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
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
SH256 hash:
efd45d9d837a22d5ffbdbb1a3ccfa4fcdaedfd7f1a1f7f54df75915a03ae39c0
MD5 hash:
9a57d3c862348278a1e576f32177d10c
SHA1 hash:
48a841db23c67e78c4d2d56c17f4a6b0cc579035
SH256 hash:
c1888d754cb453234c8276940c7ef0b9219c591b01aaacd89926c4c0afdbafd9
MD5 hash:
16c8ec64ba75d5729ef68a3831139516
SHA1 hash:
1af3d9da9866b85832a46bb68a1efac82d8bd9d8
SH256 hash:
1a648c4a8df863ea0ffdd17c5f4a07250f4f40cca5e7f9a628266acd8d08817f
MD5 hash:
c8ee3a6885f27af7f2c2e918f8d2baed
SHA1 hash:
c5acd6bdebd71ee1443004939c359d67d7cf8f1a
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: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:Skystars_Malware_Imphash
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

Comments