MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f28ac8258b51b85063c2a3e2745ced4f9731be08d9e907fb905486d38cbefb61. 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 3 File information Comments

SHA256 hash: f28ac8258b51b85063c2a3e2745ced4f9731be08d9e907fb905486d38cbefb61
SHA3-384 hash: a11dcfd4c33e5d940d063b1cd7bc05668a0ce7b36dbea99008e3256e123f858fb8737227a49dbb4bba9c442e932cf044
SHA1 hash: 86b59eb9416eeabebc3886e997d42599fe6f6056
MD5 hash: e49a2a5e3f753c5d618343e70f8e3cc9
humanhash: oregon-jig-tennis-echo
File name:All doc.exe
Download: download sample
Signature AgentTesla
File size:851'456 bytes
First seen:2021-09-20 13:02:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:fo6smtiK5oCZqrZnQY1ZJeGl9WK5/MzVXGyFLqJn1sXYGQKF:M+FoZVQoZoGKKBo5GIeAYZKF
Threatray 10'013 similar samples on MalwareBazaar
TLSH T18805AEC17D47D89BF4DF1AB3986FC52011646E8D9161C73D2682BA2B65F331230ABE4E
File icon (PE):PE icon
dhash icon b282b8a4a6929e9e (23 x Formbook, 20 x AgentTesla, 9 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
All doc.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-20 13:03:44 UTC
Tags:
n/a

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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-20 13:03:05 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b6a2ed9838a246880110bc296c586bcf374990060500fa2cacabccd24b79cb0e
MD5 hash:
b618b823fc1685c5f6d0f1ad5585496a
SHA1 hash:
f6724172ceddba8fd6d1304b8ea3fab15c34f849
SH256 hash:
1a047d2cd3dad81ef8f3bd8049c2bcc035b1da6e984eb962e50107bcab84ed3c
MD5 hash:
283d6957ede70e4c04f66d36c2e99bcb
SHA1 hash:
e2c28269b86d497638508c218b9c33f0769fe3f6
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
SH256 hash:
b5b4acf10bbfbb0e2b8ee0bc7029f26c2642f7c376d763810db3007365753a12
MD5 hash:
7b552c3c12694b88249d15e008644a8e
SHA1 hash:
3b89f35ca9b6e053668ecdd26f5b9acabfdb9dad
SH256 hash:
f28ac8258b51b85063c2a3e2745ced4f9731be08d9e907fb905486d38cbefb61
MD5 hash:
e49a2a5e3f753c5d618343e70f8e3cc9
SHA1 hash:
86b59eb9416eeabebc3886e997d42599fe6f6056
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: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 f28ac8258b51b85063c2a3e2745ced4f9731be08d9e907fb905486d38cbefb61

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments