MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d92ccc734e0a5603420c2ab5f9f1f1746939944703cc819512901b63435cf09f. 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: d92ccc734e0a5603420c2ab5f9f1f1746939944703cc819512901b63435cf09f
SHA3-384 hash: c54d0510adccce28da2ec20dad4f15447e355dcfd074f8095d2b7d82a65e46dd95d991d78cdefc7d92bf84b9c7419328
SHA1 hash: 298e33838dac314c6a87b34c19b7527d3d987c76
MD5 hash: c28e12174a39eb2fc27745e9c0749b58
humanhash: hawaii-helium-hamper-mike
File name:nivbv2NuqWF5IZV.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:527'872 bytes
First seen:2020-05-08 08:20:45 UTC
Last seen:2020-05-08 14:25:15 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 12288:UbR2733bmDrMoyrvLTiYXa410suyANXJfbb412M8CePp+b8Avg0sLWVNEf:UbRILx9rDLXawfuyAxJ4AM
Threatray 10'596 similar samples on MalwareBazaar
TLSH 6BB4AEAC725176DFC817C876D9A82C64EA1074BB930BD203D01725EE9A0DA9BCF195F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: host.sinomub.com
Sending IP: 85.25.13.188
From: Hakan A Tugal <info@ombudsman.uz>
Subject: URGENT REQUEST FOR QUOTE BDMC 2020/2021 PROJECT
Attachment: RFQ 2020.Gz (contains "nivbv2NuqWF5IZV.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.48527.1962.23909.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-08 14:24:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 31 (93.55%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ewmy42objlagqqmfk27t4proruttfchapgidfissanwgq246cpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
040fa26c493247a25994bdc13ac8797ea8343f8087fa8c08ca2743f15f9e9c0e
AgentTesla
041d68452b57a4548d1781f3c8150eedd6118747a604419102c1ec8d042648c5
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32a725941812a7722531f5575dd8f25d60392878b1d1d17c48797ac197981fd3
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371d5e66b03fd91c3e92063ee15f9465f14c54b354cafb826aedcdd16d485942
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53b420145c8db4e23f0c0187e92b1a08942ae29adbd8eb506f3df5ac46abae3c
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841bfc719b8575e011ad1be4ba2a9295bf5252c357d4de52eb8776eb0a803049
AgentTesla
9c28d1216af5ef940e4d79d061d4a0238ba304182ff156df44297b0ab6ae258a
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a4a5d42b2ea9f98c93d25d7762da6f28bd90c6f4b1ec75311b6bca3d4d4bdeef
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add7909ba8ec7d84e958787f2eb5f2b03acdba3d5652bef49555fdc129161d99
AgentTesla
e61c6a4766ff3f230dc069a6d923af9b3c7ddd88afdad1bff1295f9d12805295
AgentTesla
+ 10'586 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-qr1arxykx6/
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

gz 6f6338765be8fdd8dc0ff99a5fe8bb29f0a5b82a3a82030db98d254515610a32

AgentTesla

Executable exe d92ccc734e0a5603420c2ab5f9f1f1746939944703cc819512901b63435cf09f

(this sample)

  
Dropped by
MD5 a7ae12e57a213bfdb4c1607cb06a6e18
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6f6338765be8fdd8dc0ff99a5fe8bb29f0a5b82a3a82030db98d254515610a32

Comments