MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe
SHA3-384 hash: fdcbee29a0a48ce3957ed0a9baf1e7f33de62e199cbd155f406bb5a0e1b925abff5e3e876a97c9d921c66bcb165c5d48
SHA1 hash: 8740ab8803572393f9c58f85e52a194a0ab0ec67
MD5 hash: ae22baef59073c96a180c6421ea14406
humanhash: summer-bacon-cat-fruit
File name:Scaned_Product_Catalog.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:630'272 bytes
First seen:2023-09-29 09:11:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:z725x6l1W34pOLpHL4ziwfUjM/mE8pOukGCBOBWgd4Y8Voy8:Gz6TWIpypHQiwj/f8nCkBRd4hVoy8
Threatray 1'452 similar samples on MalwareBazaar
TLSH T108D412987DE90B20D88D13784A88722B43B177259826E77CCECE54DB1F7339A6C61B47
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)
File icon (PE):PE icon
dhash icon b26969e8e8e8f0f0 (23 x AgentTesla, 13 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Scaned_Product_Catalog.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-09-29 10:08:19 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/92696884-e937-4ab8-aa44-132a7f83a759

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/651694e40870810f01891233/reports/ed92d7d5-7ffd-489f-a6a6-9489774b6f32/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1fcf30d9-1b75-4272-8966-f281dfda7a72
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316323
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316323 Sample: Scaned_Product_Catalog.pdf.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 8 other signatures 2->76 7 Scaned_Product_Catalog.pdf.exe 7 2->7         started        11 wVfECRAGgk.exe 5 2->11         started        13 plQRn125nurse.exe 2->13         started        15 plQRn125nurse.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\wVfECRAGgk.exe, PE32 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmp9898.tmp, XML 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 92 Adds a directory exclusion to Windows Defender 7->92 17 Scaned_Product_Catalog.pdf.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        34 2 other processes 7->34 94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 98 Injects a PE file into a foreign processes 11->98 24 wVfECRAGgk.exe 11->24         started        36 4 other processes 11->36 26 plQRn125nurse.exe 13->26         started        28 schtasks.exe 13->28         started        30 plQRn125nurse.exe 15->30         started        32 schtasks.exe 15->32         started        signatures5 process6 dnsIp7 56 epic-office.eu 91.235.116.194, 587 THCPROJECTSRO Romania 17->56 58 mail.epic-office.eu 17->58 64 2 other IPs or domains 17->64 48 C:\Users\user\AppData\...\plQRn125nurse.exe, PE32 17->48 dropped 50 C:\...\plQRn125nurse.exe:Zone.Identifier, ASCII 17->50 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        60 mail.epic-office.eu 24->60 62 api.ipify.org 24->62 66 2 other IPs or domains 26->66 40 conhost.exe 28->40         started        68 4 other IPs or domains 30->68 84 Tries to harvest and steal browser information (history, passwords, etc) 30->84 42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-25 05:17:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ue3476iv4rp5rfhurfi6476m6xl3twrrkoni7yfsq7yxecuhst7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 1'442 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230929-k56xvaae76/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
1941ce66fa96a88bc2724cdd59433d1a49a938f041ed1ed53dd061bd78300273
MD5 hash:
d1db3dd881ed4d84b495b0d9133ad55e
SHA1 hash:
a65a0efceb2b2fc39c5f61a0d78f8171acc50086
Link:
https://www.unpac.me/results/927c9714-482f-4be2-bebf-ddd4bdbd55d8/
SH256 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
Link:
https://www.unpac.me/results/927c9714-482f-4be2-bebf-ddd4bdbd55d8/
SH256 hash:
a7bb8bf15ba82bdb82272e59ebe0072c184f522455a55285718c3c99fc27f400
MD5 hash:
771d1c7847aca801b41fccf75492b136
SHA1 hash:
666ed67502c557562a6f590d1b2d5657c5883e21
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/927c9714-482f-4be2-bebf-ddd4bdbd55d8/
Parent samples :
fc403f779b96114c4191ea8559658a1c65b18de98e775c6c16418051a03af058
710f7ac4822a2c5293b5c796f769e9c3242f0d5a6ed03b7d4eb22bad282049dd
a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/927c9714-482f-4be2-bebf-ddd4bdbd55d8/
SH256 hash:
a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe
MD5 hash:
ae22baef59073c96a180c6421ea14406
SHA1 hash:
8740ab8803572393f9c58f85e52a194a0ab0ec67
Link:
https://www.unpac.me/results/927c9714-482f-4be2-bebf-ddd4bdbd55d8/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a137cff915e4/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/a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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

Executable exe a137cff915e45fd894f48951ee7fccf5d7b9da31539a8fe0b287f1720a8794fe

(this sample)

  
Delivery method
Distributed via e-mail attachment

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