MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a944ba68cf53d0b13e6ce99e2e90db74cba352c36593aeeef21d001ad98f3d6b. 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


AgentTesla


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a944ba68cf53d0b13e6ce99e2e90db74cba352c36593aeeef21d001ad98f3d6b
SHA3-384 hash: d36a23260cedef6a6e507256c10593fc07749d680be87f86eef6523ec0103a5fddeb03f3238ec70a5b7ceb2a85208029
SHA1 hash: f31b1b56f7b981c4698bb74731eec7f9a1273fde
MD5 hash: 3ddf9b5d91a3d979e6477e789ece05b7
humanhash: seven-don-freddie-william
File name:REQUEST23341234.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'087'488 bytes
First seen:2020-12-15 06:23:52 UTC
Last seen:2020-12-15 07:48:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:UAclRPLYUhMa/MatkanRTgSgvhSDWEXNX7XyPaa7Gof/gy7/9RRVhC2/q:UAclRPLYUhMa/MatkanRTgSgvhSDNNXn
Threatray 1'803 similar samples on MalwareBazaar
TLSH D0355A9DB14072DECC57CB3289681C64EAA17877933BD20F905735A8AA1F997DF210F2
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REQUEST23341234.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-15 06:26:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/07c6a307-91de-4539-9e2d-58d45286f304

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Backdoor.Remcos.32066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562876
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330527 Sample: REQUEST23341234.exe Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 3 other signatures 2->57 6 REQUEST23341234.exe 3 2->6         started        10 VSHTkO.exe 3 2->10         started        12 VSHTkO.exe 2->12         started        process3 file4 23 C:\Users\user\...\REQUEST23341234.exe.log, ASCII 6->23 dropped 59 Detected unpacking (changes PE section rights) 6->59 61 Detected unpacking (overwrites its own PE header) 6->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->63 14 REQUEST23341234.exe 2 5 6->14         started        65 Multi AV Scanner detection for dropped file 10->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->67 69 Injects a PE file into a foreign processes 10->69 19 VSHTkO.exe 2 10->19         started        21 VSHTkO.exe 10->21         started        signatures5 process6 dnsIp7 29 smtp.kaypan.com 14->29 31 us2.smtp.mailhostbox.com 208.91.199.225, 49743, 49744, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 33 192.168.2.1 unknown unknown 14->33 25 C:\Users\user\AppData\Roaming\...\VSHTkO.exe, PE32 14->25 dropped 27 C:\Users\user\...\VSHTkO.exe:Zone.Identifier, ASCII 14->27 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Moves itself to temp directory 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->43 35 smtp.kaypan.com 19->35 45 Tries to harvest and steal ftp login credentials 19->45 47 Tries to harvest and steal browser information (history, passwords, etc) 19->47 49 Installs a global keyboard hook 19->49 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a944ba68cf53d0b13e6ce99e2e90db74cba352c36593aeeef21d001ad98f3d6b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-15 06:24:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vfclu2gpkpilcptm5gpc5eg3otf2guwdmwj253xsduabvwmphvvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08ae3a735881e41099740e2e79fcd4107d5e94fe9267e28d6bf8bd9fd80a7ce6
AgentTesla
222af506bee8af177dc09a2f709208725bf5823f145fd9f5b10340e203f402da
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51d5859f266a7b373d71b9fd71d2eec4975a8d35fb01486f624b9235120e12d8
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61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
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6bb451c4a8c3779fba18e119b1720471f66bba3f23669ebb0f0c752957967185
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8bcb63b65e1e1169e4212f656871db5fd33e5a8cffded5009b74471bb40f5b51
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8d10af8f247bb74f1a3d0878785f3afa173c82d4c881f29dd5b60ea6ed5f6b90
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9129d794cfb4727e0245067972311d4d3dd6be3292deee4050204b5964a4ff08
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b8b373ce2f5835b617f904b50e5e594232982967ea1a12b35bd085c83aa057bb
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e7b159209d33644fbf175828dfce46b31db1c74ae69a3183e59a7226c84391dc
AgentTesla
+ 1'793 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/201215-83gw6wdzt6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/e386d733-1cad-41a8-83a4-9832ed4a4886/
SH256 hash:
a944ba68cf53d0b13e6ce99e2e90db74cba352c36593aeeef21d001ad98f3d6b
MD5 hash:
3ddf9b5d91a3d979e6477e789ece05b7
SHA1 hash:
f31b1b56f7b981c4698bb74731eec7f9a1273fde
Link:
https://www.unpac.me/results/e386d733-1cad-41a8-83a4-9832ed4a4886/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a944ba68cf53d0b13e6ce99e2e90db74cba352c36593aeeef21d001ad98f3d6b

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

gz 8b26cdcf75986872f5d68ea2e7d46eec7b7e085ce0473b1ec8a4292beaaa276f

AgentTesla

Executable exe a944ba68cf53d0b13e6ce99e2e90db74cba352c36593aeeef21d001ad98f3d6b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8b26cdcf75986872f5d68ea2e7d46eec7b7e085ce0473b1ec8a4292beaaa276f

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