MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51dcfa3c93b66cc14212370d872b939cf17ddd1c45bdca4cd69ed1bfaa90e800. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51dcfa3c93b66cc14212370d872b939cf17ddd1c45bdca4cd69ed1bfaa90e800
SHA3-384 hash: c9d70f12956b477ac2b145b86172aa5f36db9195a0e0a1a0ff30690e60bdefb68570bddeebd731fb24f7f61a31a4e5ac
SHA1 hash: cae8ac4a5a61e722ad6dd88c9e62392db24b0867
MD5 hash: d8204ac90b264c47c7e51a8cf4272c93
humanhash: seventeen-sixteen-diet-white
File name:new order inquiry.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:424'960 bytes
First seen:2020-05-13 05:15:26 UTC
Last seen:2020-05-13 06:21:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:ojAXHkfFZs2g0E5dLqEfjyUgS/VNdm/h1f2dfL8tcgG8vAqVb1fn1s1Fx:ojgHabvBE5d3f2UuhQM+qLfnKLx
Threatray 10'690 similar samples on MalwareBazaar
TLSH 0294126F35E9B52BCAAD81F450B130D457F0C91B26D2F3E9DCD4A0EA94A97C4891318F
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR.20113.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 05:37:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=khopupetwzwmcqqsg4gyok4tttyx3xi4iw64utgwt3i37kuq5aaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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206963538310d62ce955a7b9faf81f5cf97052debc932d18c779ece742aa30f5
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26d84a58245ef7c47ef69c0b8a1d378ad6c8a3d8d154d2358ed0b16230082420
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57c1873ebd6818c6fb4425f51ca1a2450bf4da0dc4a3269e637dfe1ea13dc42a
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5adb192079fbc16f4631d3e5c894d9bec1ed384e7be85742c4f076760eb64a0f
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79707deb89afd6a88eaf63af7065b7e30d0508126cf6c8664d01a924dd60e4a5
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b94b255e05a2792ad302c0c398099cbc6f6eb67212dd2c5fcafbe80a13f9b946
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f6583a92948124d2588c019d9c5a7e9cb736c2acf30e07b946915cad05b0c046
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fe9ff97639cd33c6204a731b688b9fea1bd1a9df0c539717ae80816828edb600
AgentTesla
+ 10'680 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-7hc88zr6ds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

z f4bd5849bfe2cd1348c5cfd4397e50938032aa8dc08c557e84a9a56eb99b1d32

AgentTesla

Executable exe 51dcfa3c93b66cc14212370d872b939cf17ddd1c45bdca4cd69ed1bfaa90e800

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f4bd5849bfe2cd1348c5cfd4397e50938032aa8dc08c557e84a9a56eb99b1d32

Comments