MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 037dc76d4ad2a4080a387072361ca724b020588b8102d89ae8aa7b7a01d32111. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 037dc76d4ad2a4080a387072361ca724b020588b8102d89ae8aa7b7a01d32111
SHA3-384 hash: ef9f9f900f0e79510ec62d73fafd404dfad099f1b86dae005737ce1d5cdabb5a5b0f6ede77bcb77a83b49baeaab08efe
SHA1 hash: 30233f2e6dd4bbefcbbf9d9233591f74ee47a5cd
MD5 hash: 2ef0cad03e84088c6e2a5f8fe2f73429
humanhash: timing-network-mango-october
File name:IAENMAIL-A4-220222-0830-0005036.pdf.exe
Download: download sample
Signature AgentTesla
File size:565'760 bytes
First seen:2022-04-22 12:49:18 UTC
Last seen:2022-04-22 13:47:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:pBAYtv/h/gbqZix0apdDEB/E4NBdsXCK8+CFzVw70ADEGYtWXUq2vT3t:XBdhaqZ07pdKNMCeCFzVe0AFXUl73
Threatray 873 similar samples on MalwareBazaar
TLSH T1BEC412233BE0A723C97CDBF9191059554BB664A93494F75C0CB7E0EB2C2276053A9F87
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
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)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.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 very large array initializations
Adds a directory exclusion to Windows Defender
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
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: Suspicious Add Scheduled Task From User AppData Temp
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 614062 Sample: IAENMAIL-A4-220222-0830-000... Startdate: 22/04/2022 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 12 other signatures 2->64 7 IAENMAIL-A4-220222-0830-0005036.pdf.exe 7 2->7         started        11 BINGO.exe 1 2->11         started        13 BINGO.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\RoamingIDrCdPj.exe, PE32 7->36 dropped 38 C:\Users\...IDrCdPj.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp129A.tmp, XML 7->40 dropped 42 IAENMAIL-A4-220222...0005036.pdf.exe.log, ASCII 7->42 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 7->66 68 Writes to foreign memory regions 7->68 70 Adds a directory exclusion to Windows Defender 7->70 72 Injects a PE file into a foreign processes 7->72 15 vbc.exe 17 4 7->15         started        20 vbc.exe 7->20         started        22 powershell.exe 25 7->22         started        28 2 other processes 7->28 24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 44 api.telegram.org 149.154.167.220, 443, 49780 TELEGRAMRU United Kingdom 15->44 34 C:\Users\user\AppData\Roaming\...\BINGO.exe, PE32 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 Tries to harvest and steal ftp login credentials 15->50 56 2 other signatures 15->56 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->54 30 conhost.exe 22->30         started        32 conhost.exe 28->32         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-22 09:10:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
Checks computer location settings
Uses the VBS compiler for execution
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2122434962:AAFqluKwJfwmfN8BZ9xq0IjlIijJbDmwbKs/sendDocument
Unpacked files
SH256 hash:
33f8bbc9d743ea70666edeb33feaecf701ae900c9b50a263b392c1b145e97f26
MD5 hash:
a2b1f9a902c941e8ed79a082e623065c
SHA1 hash:
d17707f7d8e5e2f2d8464136464c8c324f935496
SH256 hash:
6f829f7aad6cf5619155255f0ddfe2c751de958879d7372ab5d15b1102be235d
MD5 hash:
7e079123e6fcb9219248cfde90f640fc
SHA1 hash:
51d4009bef115045174c59e95db0584c6e5546d7
SH256 hash:
e8243027edce3ed998315abf44dba34aa3609eccafff6ad53c2277e133693775
MD5 hash:
9894a3df333190962d69b23162d39ad3
SHA1 hash:
3233bfe72e960588b09b0c39fbfa594c9be6a507
SH256 hash:
8e1b71477c489cbc954c8d54d08284f759ab2cd1b65050128ecbda9ebe16904d
MD5 hash:
b477c0f043954b457d5f0f91327ec606
SHA1 hash:
0db8774ef3e2b8245504f66a35afcf987ebdaaba
SH256 hash:
037dc76d4ad2a4080a387072361ca724b020588b8102d89ae8aa7b7a01d32111
MD5 hash:
2ef0cad03e84088c6e2a5f8fe2f73429
SHA1 hash:
30233f2e6dd4bbefcbbf9d9233591f74ee47a5cd
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.

Comments