MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f91175784f25d47d86fc18f403abf1031cf131b981a13f790cce98b002c5ec54. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: f91175784f25d47d86fc18f403abf1031cf131b981a13f790cce98b002c5ec54
SHA3-384 hash: 242bffe8c03a0e1b54cf11574ebba11ac141e5e167dbe8d008b803fce6f3a6bdf591b9029819148b47c36c22e4d566c8
SHA1 hash: 9958afbf16cf2883e1c2904e8bc9e94b3e22b3ca
MD5 hash: 2086b621fe56638a35d156fbcddddc10
humanhash: chicken-social-alaska-muppet
File name:contractTHX221001.pdf.exe
Download: download sample
Signature AgentTesla
File size:765'952 bytes
First seen:2022-11-10 12:29:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:jGHjVZ75ofM4QVQ5523dPxInC/tK2ssBM/:KJR5YSswd1/k2
Threatray 21'472 similar samples on MalwareBazaar
TLSH T154F49DA860558599FA5F937461ECFFB052B631F3A1CC87569275A188CBC8FD20E812CF
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0ce4d09ecefc799a (13 x Formbook, 9 x AgentTesla, 6 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
contractTHX221001.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 12:46:27 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed rundll32.exe
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743201 Sample: contractTHX221001.pdf.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 7 contractTHX221001.pdf.exe 7 2->7         started        11 SKdXECFDjeo.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\SKdXECFDjeo.exe, PE32 7->35 dropped 37 C:\Users\...\SKdXECFDjeo.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpF32F.tmp, XML 7->39 dropped 41 C:\Users\...\contractTHX221001.pdf.exe.log, ASCII 7->41 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 69 2 other signatures 7->69 13 contractTHX221001.pdf.exe 3 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 21 SKdXECFDjeo.exe 11->21         started        23 schtasks.exe 1 11->23         started        25 SKdXECFDjeo.exe 11->25         started        27 SKdXECFDjeo.exe 11->27         started        signatures5 process6 dnsIp7 43 smtp.yandex.ru 77.88.21.158, 49708, 49712, 587 YANDEXRU Russian Federation 13->43 45 192.168.2.1 unknown unknown 13->45 47 smtp.yandex.com 13->47 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        49 smtp.yandex.com 21->49 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->71 73 Tries to steal Mail credentials (via file / registry access) 21->73 75 Tries to harvest and steal ftp login credentials 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 33 conhost.exe 23->33         started        signatures8 process9
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-11-10 05:49:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b7ead629d7eda74d60e23be3ff7337712596c71724268ab511c6cfc0f2c7980a
MD5 hash:
459a192f1b1557107fbde55320701d6c
SHA1 hash:
1ebd55909302d169251bb0f7afd9f66afc0f2dcb
SH256 hash:
e4246c42076b685023b43492ee8e24be37470cbff571aa05bc5f3880b9be1797
MD5 hash:
6876d729a9926bd5eae7f02770cf8bf5
SHA1 hash:
1800b31ddbaa804b0743eea113110392c5d7f485
SH256 hash:
5fd76d8b5d200e7c423e689ae6c3e3d185abf65001946cf7c1d6c27d87f83dc7
MD5 hash:
3bae35006e0eaa5d9a8a950c98c4ba32
SHA1 hash:
685f219e5c33fe33f43d787056668159f7231b1b
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
964d130cdb97546ac22b26e6fe928ec1bcd94cf91f4d2e7e8eb0f1ff09c165d5
MD5 hash:
0101f5689a7bde99aa3822e0b9dc1552
SHA1 hash:
3a9d991fb92b72c958d0fd48283378c3c83721cf
SH256 hash:
f91175784f25d47d86fc18f403abf1031cf131b981a13f790cce98b002c5ec54
MD5 hash:
2086b621fe56638a35d156fbcddddc10
SHA1 hash:
9958afbf16cf2883e1c2904e8bc9e94b3e22b3ca
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 f91175784f25d47d86fc18f403abf1031cf131b981a13f790cce98b002c5ec54

(this sample)

  
Delivery method
Distributed via e-mail attachment

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