MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef. 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: a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef
SHA3-384 hash: 6ab7ce0f98fdaace9cd5374adc017005be175fe1d5b0cfbf5b337425e0ddd60d71f55b2f5302caef5a049c96076bf6d4
SHA1 hash: cd69ae40f7967f7c025974db74f6c709c6eacdc7
MD5 hash: 1a905d2e69d78f7c9193ac7fd18fa2ec
humanhash: aspen-mountain-apart-pizza
File name:lbW2raPRAYI9cLe.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:543'232 bytes
First seen:2020-05-07 06:41:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0hsVxzDauJLvtuxW2cHC4xkvrHD89gfvjvpfHxgJp2p0aOSAkSAteYcV:00NPhF8PciykTHD8OfrR
Threatray 10'603 similar samples on MalwareBazaar
TLSH 06C4BE8C362D31EFC417D4729ED8AC70EA5174AB635B53239023519E9ACDE87CF249B2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mec.com.jo
Sending IP: 198.23.210.131
From: Mohammed A Sayeed <mayyadah@mec.com.jo>
Subject: URGENT RFQ- GACA 2020 PROJECT REF: 2211342
Attachment: RFQ.7z (contains "lbW2raPRAYI9cLe.exe")

AgentTesla SMTP exfil server:
smtp.lettu.us:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-07 01:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uss5ikzovh4yze6slv3wfwtpfc6zbrxuwhwhkmi3npfd2tkl33xq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
040fa26c493247a25994bdc13ac8797ea8343f8087fa8c08ca2743f15f9e9c0e
AgentTesla
041d68452b57a4548d1781f3c8150eedd6118747a604419102c1ec8d042648c5
AgentTesla
32a725941812a7722531f5575dd8f25d60392878b1d1d17c48797ac197981fd3
AgentTesla
371d5e66b03fd91c3e92063ee15f9465f14c54b354cafb826aedcdd16d485942
AgentTesla
53b420145c8db4e23f0c0187e92b1a08942ae29adbd8eb506f3df5ac46abae3c
AgentTesla
841bfc719b8575e011ad1be4ba2a9295bf5252c357d4de52eb8776eb0a803049
AgentTesla
9c28d1216af5ef940e4d79d061d4a0238ba304182ff156df44297b0ab6ae258a
AgentTesla
add7909ba8ec7d84e958787f2eb5f2b03acdba3d5652bef49555fdc129161d99
AgentTesla
d92ccc734e0a5603420c2ab5f9f1f1746939944703cc819512901b63435cf09f
AgentTesla
e61c6a4766ff3f230dc069a6d923af9b3c7ddd88afdad1bff1295f9d12805295
AgentTesla
+ 10'593 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-5cmye3djns/
Behaviour
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
Reads data files stored by FTP clients
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

7z 99eb766e188edcf8fabca55290126dd0224b546c93dfacd7e432e83df5677217

AgentTesla

Executable exe a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef

(this sample)

  
Dropped by
MD5 3031f92624625ef23fd52933af574b12
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 99eb766e188edcf8fabca55290126dd0224b546c93dfacd7e432e83df5677217

Comments