MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8. 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: 16


Intelligence 16 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
SHA3-384 hash: 277aeafa81aa664774a4d0aee5c950e3f9fe66f9cfbb9a92fbd97caf663484410f43b9507f9afe34b3faf72105ce2d3c
SHA1 hash: 84b2532e77b37e83641def708228e60a1749c852
MD5 hash: bee12e5e8fa5ee590b697bb3ada0ea8c
humanhash: cat-carpet-romeo-uranus
File name:SecuriteInfo.com.Win32.PWSX-gen.9878.25300
Download: download sample
Signature AgentTesla
Create hunting rule
File size:737'280 bytes
First seen:2024-01-29 03:22:34 UTC
Last seen:2024-01-29 15:13:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:na16IoIFFHgeg/cSCp8tSHKV4Sq0BcIkGj6+G6Hwqp1OoBUTaI5Ot7KVZ:HIXFxzp8t+7LI7Wb6QewBfstOV
Threatray 1 similar samples on MalwareBazaar
TLSH T12CF4120B39685713D8BA6BF821B092C99FF825237192F38D8F4435E515A6BC05790EF7
TrID 49.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.7% (.SCR) Windows screen saver (13097/50/3)
7.0% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
315
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8.zip
Verdict:
Malicious activity
Analysis date:
2024-01-29 03:37:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f29f3aa2-46b3-4aea-b3f3-6a2aecc6fbd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/473324/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.9878.25300.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b71a17bc91f83c806f0fe0/reports/df007c36-64c9-4fe6-9c60-1a6a2e28a66b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1ef5d325-d168-4eed-96a8-0beda8a91714
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1382450
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 01:48:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=umti7uidzzyuienui7dvqvcwlxptmzjvy32hmqmjh4gxr4cifo4a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240129-dxf8wsggc3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla
Unpacked files
SH256 hash:
d6d575fe0a6b4f16ac3c56f3d1a6d47e31afdc1b9460273a10ee5201e546244e
MD5 hash:
42d3e98d4c3378d2b4d02a3a888ce9d6
SHA1 hash:
f4652b3807da656147d10f63b202b15301a4ef44
Link:
https://www.unpac.me/results/148f4f13-ae72-469f-ba20-09f2f0a4ac53/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/148f4f13-ae72-469f-ba20-09f2f0a4ac53/
SH256 hash:
3512e50a7509ca8b120d7835c69302e5d739fa3651dd65485e5739a1cc991ede
MD5 hash:
8bc76b6253fe4689a874767bdefec712
SHA1 hash:
4642b756487c2e1878e7e03e32e77b51df0b3b3e
Link:
https://www.unpac.me/results/148f4f13-ae72-469f-ba20-09f2f0a4ac53/
SH256 hash:
5e09cafaa3ea8a183a7cf79f55576a3410ae0c49dfd46a9f4fff3cc730e994a9
MD5 hash:
3096e290ffb367eba85882ee47db6827
SHA1 hash:
07820b41d4068f8b3e27940f3fc3cac73c7dc443
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/148f4f13-ae72-469f-ba20-09f2f0a4ac53/
Parent samples :
3af8e8d96431992127c5774977cb7b3ea300c4ef8b23a620f0213f42b79584d9
f3e9ff06f04b6f3fce67e3ae02f89eb6f006ae95391105703abded87bc53f362
4dd2869a36c4b826221c8b8131503fd48d3e8871af1ba2405823947c9915de74
7f382cc5928a8adf09033a4412af83f103fe25384f7fb39343344432fc71f8c1
25ed66335a82f70ae9980bb3f4635398c537b294eeca7728d5994ce9b266ca12
ae74573b2465c82c7251fafa08ed86f4113f2568f21709f57c998371e5a6150b
26e3295aa8a473155951d618971b749be570e36898bb7ad0b0e690648e7c2fd8
76b324f75db6095cf36f6cc55b3b7b9070a8f9ace436920cef5c792dbebebb15
e6370c7eee2c7a1101943e56807d0cac8e977a291385459a4d455d6eb7d821d8
2743ed82252fc5c06c1696d961a2fd9ec7e1a49f085b08f6d88ec554707d9e0c
e0b8c5c5f1fcfd52dffabc78f9ce5dedc8598ec30736ec30308cf5b2d4dc4801
700fd6c408ce5d0e3953026e355db953dd3ca0850fedba2f0c772f7dcb18d80b
2a0bae477238b2eb5b2dd0127bd7b1a6396f6512dd6b3dd8b85aef23fcc59322
a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
SH256 hash:
a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8
MD5 hash:
bee12e5e8fa5ee590b697bb3ada0ea8c
SHA1 hash:
84b2532e77b37e83641def708228e60a1749c852
Link:
https://www.unpac.me/results/148f4f13-ae72-469f-ba20-09f2f0a4ac53/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

rar b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60

AgentTesla

Executable exe a3268fd103ce714411b447c75854565ddf366535c6f47641893f0d78f0482bb8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/473324/
  
Dropped by
SHA256 b4e2e4f3b77444e5842ef2b48fd76d93202c3d598b1276aef4d79c75044b8d60
  
Dropped by
MD5 e854913ededc0980b726fa7e2ce50c12

Comments