MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b289a3da7ce8b6ac42b03ca25c54283cb6c48305f928ea9fc46c4d96371f8a4. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b289a3da7ce8b6ac42b03ca25c54283cb6c48305f928ea9fc46c4d96371f8a4
SHA3-384 hash: 8b7a16d2d6cd8c46afa4b2b74d74972030c2b57d4c72d06d4a01e5ef479ddc637121cc13cefffbd955e9048981131fca
SHA1 hash: 340c0e25ae80dd47adfe0954a73a0e4d9ca4e81e
MD5 hash: 65c12809051c883db7dd709be676cf20
humanhash: eighteen-april-double-utah
File name:obaiii.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:816'640 bytes
First seen:2020-05-04 21:13:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 226840561775b99befbf510bf424651d (8 x AgentTesla, 4 x Loki, 2 x NanoCore)
ssdeep 12288:QYIh/JDWJ31qKVD4sNe48ZoVX/tTIiPyN8/rvZVEbwFgG1e0bPOoy8CdF3OS4o:QF/Ds4LoVX1hagvZVxFgGxjAtn9z
Threatray 11'301 similar samples on MalwareBazaar
TLSH 8805BF22BD904C37C1732A3D9C4B97A4B92EFE512E2865813BF51D4C9F397E1392A187
Reporter abuse_ch
Tags:AgentTesla exe OAB


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: oman-arabbank.com
Sending IP: 45.137.22.124
From: acc-state@oman-arabbank.com
Subject: OAB - SWIFT
Attachment: SWF312811512130014.r00 (contains "obaiii.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.7863.5264.UNOFFICIAL
Create hunting rule

Win.Dropper.Remcos-7759529-0
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-04 10:31:00 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hmujupnhz2fwvrblapfclrkcqpfwysbql6ji5kp4i3cnsy3r7csa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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9feec7852ef1647fa53b548d5d55ae251bd5df7f112f22a63238612b6ffad1ea
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ac5f9e2cef8603c2b588194055654468562c121c21ff39b8356f23ef9fb1c2c9
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c465e2bc55d216e37231efbfdfeed00eeb244c2f688716a1c9c9d45ca4cc0ac0
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cbeefe51466bc72c1d6ac6d8a24c4da9a9c8f66d2e388a057bb6ce5c197c152d
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d38d364257aae9a96f861fc772480694e039d01e3f7897f347341d78d74444ca
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e200737a203c4aa2f0dd82a3fc5fef097eb0e64b81b231b29b3022741ade5976
AgentTesla
+ 11'291 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201109-vde2fm8k16/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
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

File information

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

Malspam

AgentTesla

r00 9fe25512683267be22364322c0538e7b77413994156fd4521e9ef3afcdce0e06

AgentTesla

Executable exe 3b289a3da7ce8b6ac42b03ca25c54283cb6c48305f928ea9fc46c4d96371f8a4

(this sample)

  
Dropped by
MD5 946d795bdb945e5a44210f6813188847
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9fe25512683267be22364322c0538e7b77413994156fd4521e9ef3afcdce0e06

Comments