MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6
SHA3-384 hash: a91ef0f2b607ed423a701996f83aecf5fbe19e31a072ef5155bcbb0bd8f936a179ef584f9fc37980b4ff44fd47357d26
SHA1 hash: 08231601ad4894e80dc1bd323456ed5e4cacb13c
MD5 hash: fb029eca94061f0186fc8701bdc85c77
humanhash: pip-illinois-helium-summer
File name:JUSTIF.TRANSF..exe
Download: download sample
Signature AgentTesla
File size:817'776 bytes
First seen:2024-03-27 10:56:37 UTC
Last seen:2024-07-25 01:23:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:R6dum27u49Zr7EwcCiCXZHvyK7m2GtW8rTRpJ9ShOWQ7G/GFH9eo:R6dufltdcCpPyPW8rTRp6I8+deo
TLSH T11E05CEC9B09F0DD2C54A70BC4CB16492269FBF9A56E49D2E6F5AB135C4B3682603DC0F
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 70f10c0a0a988160 (17 x AgentTesla, 3 x RemcosRAT, 2 x Formbook)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
328
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 10:59:50 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Blocking the User Account Control
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
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.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Disables UAC (registry)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1416416 Sample: JUSTIF.TRANSF..exe Startdate: 27/03/2024 Architecture: WINDOWS Score: 100 25 api.telegram.org 2->25 27 api.ipify.org 2->27 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 41 8 other signatures 2->41 8 JUSTIF.TRANSF..exe 1 3 2->8         started        signatures3 39 Uses the Telegram API (likely for C&C communication) 25->39 process4 signatures5 43 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->43 45 Writes to foreign memory regions 8->45 47 Adds a directory exclusion to Windows Defender 8->47 49 2 other signatures 8->49 11 CasPol.exe 15 4 8->11         started        15 powershell.exe 23 8->15         started        17 WerFault.exe 22 16 8->17         started        19 CasPol.exe 8->19         started        process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49715 TELEGRAMRU United Kingdom 11->29 31 api.ipify.org 104.26.13.205, 443, 49713 CLOUDFLARENETUS United States 11->31 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 3 other signatures 11->57 21 WmiPrvSE.exe 15->21         started        23 conhost.exe 15->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Status:
Malicious
First seen:
2024-03-26 17:26:53 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Looks up external IP address via web service
Checks computer location settings
Windows security modification
AgentTesla
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot7189076260:AAHEL9QuHqQcKXN8kPXNO5BpYSd3XtQOqFg/
Unpacked files
SH256 hash:
d2a44cec8dbbd996cc4b5780f907f33fd4040c44519653503f4b17f3288149a6
MD5 hash:
fb029eca94061f0186fc8701bdc85c77
SHA1 hash:
08231601ad4894e80dc1bd323456ed5e4cacb13c
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:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments