MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc8ba2c45d71bdb0e5e70207b04a1d76d388b3bbf324ecbc28c2e17921939403. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc8ba2c45d71bdb0e5e70207b04a1d76d388b3bbf324ecbc28c2e17921939403
SHA3-384 hash: eac6fe5bb145d50909879fd534850efb5fd0e8ff98bde20344291852967f5b04ff6f768a4490d34c22eca68acd015066
SHA1 hash: 6b91ae74135706e4a4f385ee82f7f3ea0e973434
MD5 hash: bb6a71319742e8ee0488e77fcdbc58d4
humanhash: ack-music-steak-grey
File name:Doc99688696.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:416'768 bytes
First seen:2020-05-28 06:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:CYxljM5APZ62cTTlYYgI3ugOMQ8CgwYgbHTNgSG:RmAKOaegnQ8CgRw
Threatray 10'696 similar samples on MalwareBazaar
TLSH D994220025694720C47A4FBA54350D086BF02E69BE03FB2DAFD471ED1EBF3655A4B62B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: s1hk.koddos.com
Sending IP: 185.191.127.100
From: J & Linda trade company <admin@prestige-hk.net>
Subject: Final Qoutation.
Attachment: Doc99688696.rar (contains "Doc99688696.exe")

AgentTesla SMTP exfil server:
mail.fsicibd.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.fc.4709.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Grp
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 00:50:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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03ae223cd798671ce83cb8b8e660c06a4b9e6357ba78882ad5977e11ae8c298c
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ae9b67b930e3be156a9d7845efd534e763aa7fca2b9870d3c3af6991174fa1d5
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b4e950994387c2d8dd5473be110004b50156454585ce6c72751d4e793b2bfd36
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e53b85600f2e1d2c612854eb25aa5ebb3cf93a966aef11b22e186f65cb097506
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f5e2764cbde44d86d4b2a73853c98b8e6a9f325f4e187aa1f0af53b9f4844d05
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fe6ae4e601219d9bf84478571167e58466ca08fa917df8407fb5169c69109a72
AgentTesla
+ 10'686 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/201109-8d18v23cpa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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

rar 100ba7d5f54a1c3bca0b2031d93211e563627af12376a12af40ea414c0c57819

AgentTesla

Executable exe cc8ba2c45d71bdb0e5e70207b04a1d76d388b3bbf324ecbc28c2e17921939403

(this sample)

  
Dropped by
MD5 ea7e3ea0d488fbbcc5442be0d87c41f4
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 100ba7d5f54a1c3bca0b2031d93211e563627af12376a12af40ea414c0c57819

Comments