MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc755c59e27a7d6396e421c7e8365d250d615c10db82b3cf382323289f915e16. 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: cc755c59e27a7d6396e421c7e8365d250d615c10db82b3cf382323289f915e16
SHA3-384 hash: f11c457ecb24470a38b80b02af08ab122cf25b4104051c25bd3c2d670a965fd7b262cd56edc425ef0dda22240fa847d9
SHA1 hash: 8bf0944918f7477b1efba74baf01d57d4f4e0ad6
MD5 hash: d979ba137249f6a4db0b7be2f17b23ee
humanhash: edward-delta-angel-green
File name:ark.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:482'816 bytes
First seen:2020-05-11 14:29:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:xNxhMjIkdbCuWVNZO0PjxKdespUVWy166bXdSCjbsiV4CSYWZtKo:DxUBdbYTZO08d+162d3siWpYWT
Threatray 10'751 similar samples on MalwareBazaar
TLSH 6EA4BE4123AD6B36F03A9BF559A0A051C7B6B12635B8D3AE4DD660CA16E2F80CD50F37
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: box.javedgroup.xyz
Sending IP: 138.68.249.252
From: Freight Export <info@starfoxsecu.com>
Subject: BL copy & Notice of Shipment
Attachment: shipment notice.rar (contains "ark.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 14:37:13 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zr2vywpcpj6whfxeehd6qns5eugwcxaq3oblhtzyemrsrh4rlyla._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4817485767f8064b867db9045b6f5de51393e4d41547e8e0fbf454de9c2910f6
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7a55018c2903edf26bdfbbd5df47c352197170b75a04af058a35d2332d9e6b50
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b020ed473e1a965d4de31c00fed475e683f808d9665b207bb41cfdb77f53bcfe
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b9f1a9cdb6f068f9222b8cd906ed162d74be5662bb9dbad5540d8cc51d1a4e6a
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bbb3afd846cc51e61380effeaceabc21e15c8b4ccdab6d821697191605a00c60
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db54bb9d7b9d9bba3cf4945c6eb5f637f4726f5009d26e14857ff303abd16e7a
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f7216d025821af6be807018f12db7c5a5bd3cd21ef0176b02c6cbe0f05ac4cf7
AgentTesla
+ 10'741 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-zajpfvmfka/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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 72e369cbc4075a128de58a692645f78255cf2cb6fe30be2b8266cd8e1daed8cf

AgentTesla

Executable exe cc755c59e27a7d6396e421c7e8365d250d615c10db82b3cf382323289f915e16

(this sample)

  
Dropped by
MD5 84ff62a03626982347d7d6cacbcd9b61
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 72e369cbc4075a128de58a692645f78255cf2cb6fe30be2b8266cd8e1daed8cf

Comments