MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca
SHA3-384 hash: cd389e0a78c7d6d15461eef7c87b13be93c07c9bf3aa1bc26507e32b2e5c178f2369b58d9a0c983e2fdcfdafb83825a6
SHA1 hash: a36eed15e18e8a1566ac48de03e24c0642b34cc4
MD5 hash: 62307ee86b3aa47e9f7b845fb5d56902
humanhash: mexico-xray-burger-summer
File name:REMITTANCE COPY 0020200244442023.gz.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:762'368 bytes
First seen:2023-11-01 10:08:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:eMuce8G9LFaUrKRHG9XjHkmgxxN57L20Y/tRmpBrfRfYKXN8GGyxrVDOrg4d/4WB:e58G95UHG9XjGhhY/tRebXd53Os4uW9N
Threatray 115 similar samples on MalwareBazaar
TLSH T172F41200BAFE4B7AED75A3FA14A02A020FF1756B7166E7988ED770D35064F400A96F17
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
07bb10d0fc533e15cec77dd4f076d535.eml
Verdict:
Malicious activity
Analysis date:
2023-11-01 11:52:17 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/ce726d89-31f8-4abd-9159-17f54718f58d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457598/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2504.10035.17898.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/654223cabc703e36b0968d44/reports/343d5dc3-5ad3-48ef-81f7-03407ed53a58/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/19373c8b-698d-4434-9095-cefa5e48a04c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335374
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-01 08:21:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mn3oq23n6ecrz37tk6pcunijw35fp4wkrbwql3z4drchpt4q3fa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
31ad5de47437e1afa2f31be94c56c5a18c88d9be6da889fe03fd2df0d9cf6a85
AgentTesla
478c23cab01ee3f4468f1069d0d09a669770889ad4a2bf3e572b6648a53d7139
AgentTesla
708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089
AgentTesla
7c0276edd9ce400d92a0b135a90b3d0f055991aad22ba1acb0fac193636eb621
AgentTesla
9a4c5d776f205dcb2ef261654ebdc4b5ef42a31e2750a84150a3af05fb847c0a
AgentTesla
9f70a7419f291c5da7a1c68ac575d0490deb69ef4109e71c24d887ebc8114ae8
AgentTesla
+ 105 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231101-l6smaagh44/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla payload
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/f37f8208-ccac-4e91-a2af-b9f4136c9b19/
SH256 hash:
730a3453270ce9420e531de378dd2c337458d04a7dbda836a8b2905e25af7643
MD5 hash:
704a1a64b7ecf6921a45dd38754c77e6
SHA1 hash:
5aa312c484b83fb268fa22b800dbdb4b4b5b9238
Link:
https://www.unpac.me/results/f37f8208-ccac-4e91-a2af-b9f4136c9b19/
SH256 hash:
ac5a7a609440f3fdbe118482cdc8deae1f9fecafd49edccc7654ae9f4891de7e
MD5 hash:
20a448eb40cd823a9f74645a265f39b1
SHA1 hash:
1f6bfd2c689a4fea4c871e3d621af31236571bb7
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/f37f8208-ccac-4e91-a2af-b9f4136c9b19/
Parent samples :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 hash:
1ae6c210f6f5fa35659ac608556afabdfaf525605804e9ac0a2e7cdafee15aee
MD5 hash:
89dc9c8b6bb9d879389ba2dfcede771f
SHA1 hash:
000fee12e669b37c9a9fe872d9bfb5d92a2faf0a
Link:
https://www.unpac.me/results/f37f8208-ccac-4e91-a2af-b9f4136c9b19/
SH256 hash:
f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca
MD5 hash:
62307ee86b3aa47e9f7b845fb5d56902
SHA1 hash:
a36eed15e18e8a1566ac48de03e24c0642b34cc4
Link:
https://www.unpac.me/results/f37f8208-ccac-4e91-a2af-b9f4136c9b19/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f31bb7435b6f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca

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_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

gz f0d15ca2204276e1ecc9825187821c26913b228544dd9e53ae73b9b9fb7ce333

AgentTesla

Executable exe f31bb7435b6f8828e77f9abcf151a84db7d2bf965443682f79e0e223be7c86ca

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f0d15ca2204276e1ecc9825187821c26913b228544dd9e53ae73b9b9fb7ce333
Cape
Cape
https://www.capesandbox.com/analysis/457598/
  
Dropped by
MD5 df8092756d55fb925b3106413c46a068

Comments