MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cac661a3d567566e4b42455a3f128af9d0eb7e29af9d87259a2a0cc6d789b0d4. 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 4 File information Comments

SHA256 hash: cac661a3d567566e4b42455a3f128af9d0eb7e29af9d87259a2a0cc6d789b0d4
SHA3-384 hash: c0e241189c2349d0ccd713d0e56ab70d6f240dbcee697687d4f4f04f67613c64fc5e8cfac551cf68e05381e272e4ff14
SHA1 hash: e9f4aafd487167d51e2fc151dc57c12dc776d805
MD5 hash: d497fdd4e0cf7e7132cfc0676caefc3c
humanhash: fillet-fix-yankee-equal
File name:d4.exe
Download: download sample
Signature AgentTesla
File size:523'264 bytes
First seen:2022-05-13 12:00:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:fu2Mo+Efv8I1zd5wIJH5y5bvUE2NqPmw5H/2D/6wVcTL1USyYAaHLh+lY80pS:2Het1p5ZXyll2NqOwJ9/P1kYFLsy
Threatray 16'973 similar samples on MalwareBazaar
TLSH T1F7B47CF23B92846ECAAA077541B584C3FAB61ECF3FA04A0D719A730C0E31A17A757557
TrID 38.0% (.EXE) Win64 Executable (generic) (10523/12/4)
23.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
16.3% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.EXE) OS/2 Executable (generic) (2029/13)
7.2% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 000046562cd10000 (1 x AgentTesla)
Reporter 0x746f6d6669
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-03 01:10:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
289
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1076555151:AAHqNC4v7ru1BTttizcMDax8jD7KuaD6x6g/sendDocument
Unpacked files
SH256 hash:
85149b884607f6bb7317c7fb893b8cabc550422ecd62bd59509a3d5fcf44b56d
MD5 hash:
a5baef204b1c2470b3692ead91645bcc
SHA1 hash:
636c826cd651b6817711353b140d7960731daec5
SH256 hash:
30140c3bf5874d7d184b15513016f9de1524ae95a5efe9a1cb15bad6d6936d64
MD5 hash:
03847d82611bc6461cbb99ca768828f1
SHA1 hash:
39859a3fd3326520dfd1ed10456bb227933a8871
SH256 hash:
53f4e10c2976d3b17407a49caffcc63c5c38ea4cda2631c67394ad4fe2988819
MD5 hash:
88b3d9d322520e633fb2c336291f6e8a
SHA1 hash:
16efddec887dee2f6546ed882cac6bcf2c570c8a
SH256 hash:
cac661a3d567566e4b42455a3f128af9d0eb7e29af9d87259a2a0cc6d789b0d4
MD5 hash:
d497fdd4e0cf7e7132cfc0676caefc3c
SHA1 hash:
e9f4aafd487167d51e2fc151dc57c12dc776d805
Malware family:
AgentTesla.v3
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

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