MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8643f2b28f130b6889827fd6fb6458dbc5924ea63b7d472590e30893499ce0b. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: a8643f2b28f130b6889827fd6fb6458dbc5924ea63b7d472590e30893499ce0b
SHA3-384 hash: 4d584d874033dbcb8f907bbd534dee2af3d3d914dbe7d2cda0badcd01d56f9dc716ec40983f8daed99f39e2a342d8fc1
SHA1 hash: a59c23e094cb29dd9680326d1893b0f6f31df256
MD5 hash: e827ca6e323cc4ebfd130390d0492b04
humanhash: may-tennessee-happy-massachusetts
File name:QUOTATION_JUL7FIBA00541·PDF.scr
Download: download sample
Signature AgentTesla
File size:1'156'608 bytes
First seen:2023-08-02 08:59:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:HOpCX4NStY1z/EJ74T7PI+jGYgu3KFsC:HOpJNPi78PI+Gu6F7
Threatray 5'758 similar samples on MalwareBazaar
TLSH T15535121975745433ED04CB3014E29E45C2EBAE6D2BE0AA1E25C8FAAD2B321FD8F135C5
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 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT)
Reporter abuse_ch
Tags:AgentTesla exe scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
QUOTATION_JUL7FIBA00541·PDF.scr
Verdict:
Malicious activity
Analysis date:
2023-08-02 09:12:04 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Gathering data
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
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
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 steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1284276 Sample: QUOTATION_JUL7FIBA00541#U00... Startdate: 02/08/2023 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected AgentTesla 2->31 33 6 other signatures 2->33 7 QUOTATION_JUL7FIBA00541#U00b7PDF.scr.exe 4 2->7         started        process3 file4 25 QUOTATION_JUL7FIBA...00b7PDF.scr.exe.log, ASCII 7->25 dropped 10 aspnet_compiler.exe 2 7->10         started        13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        process5 signatures6 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->35 37 Tries to steal Mail credentials (via file / registry access) 10->37 39 Tries to harvest and steal browser information (history, passwords, etc) 10->39 41 Installs a global keyboard hook 10->41 43 Uses ipconfig to lookup or modify the Windows network settings 13->43 17 conhost.exe 13->17         started        19 ipconfig.exe 1 13->19         started        21 conhost.exe 15->21         started        23 ipconfig.exe 1 15->23         started        process7
Threat name:
Win32.Trojan.Mardom
Status:
Malicious
First seen:
2023-07-31 14:15:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a8643f2b28f130b6889827fd6fb6458dbc5924ea63b7d472590e30893499ce0b
MD5 hash:
e827ca6e323cc4ebfd130390d0492b04
SHA1 hash:
a59c23e094cb29dd9680326d1893b0f6f31df256
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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 a8643f2b28f130b6889827fd6fb6458dbc5924ea63b7d472590e30893499ce0b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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