MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773
SHA3-384 hash: 39572576dae4515650fceb1a18e0105c181b7f0e0d2468db16e5b1656e8cc39d2ec2d1d7649ac2d02f293576f323a460
SHA1 hash: f9dc41bd7d73c9d4351d23e9ef891049543dd3c0
MD5 hash: 28594990ba6d4f212d31c88e5c34c540
humanhash: william-hamper-oven-johnny
File name:SecuriteInfo.com.Trojan.Inject4.59820.31752.5653
Download: download sample
Signature AgentTesla
Create hunting rule
File size:664'064 bytes
First seen:2023-11-29 19:26:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:OH6wSoDWsXEW1tY8YurUxYiPoyzzqw8of2gewJlJ9LifsCPR8LguDQj573opox:oSoDzXEW1tYOJiPaofRLhcfRe8uDQ97O
Threatray 3'757 similar samples on MalwareBazaar
TLSH T1A3E41215A6BD3F26E47A9BFD5475104047B9A53F6036F6A85DC230CE2BA2F400BA1F27
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
357
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461247/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.31752.5653.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Stealing user critical data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55986cdf-ef64-4c3f-b20a-abc735b95dc8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1350121
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
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/839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 15:14:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qopjsn42rnabofou2fzisxt5sangnp7gio6zx2lkk33nhkw4o5zq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
46d22a4b883bc7074c98641941e335b0ed43bbf67017d3f461f8dace83da6b55
AgentTesla
590070cb43f95f574fd1216b8165c2c3298fb91a9781980c68011eb7e0d810ec
AgentTesla
9f6599786b1b7f64b75d3b570209b0cd0286011c89591cc71321191fb637afca
AgentTesla
b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102
AgentTesla
c63f7bf40f81e3654685888a1f6731e1b87dc49edf0177de8503bba2389eee4a
AgentTesla
+ 3'747 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231129-x53lmsbg85/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
dc2a31ebcef7e1b02ef0b2237da0e126dfebaa6a6336f829c0194b89793e239b
MD5 hash:
3d9dd0ed4f6deb6ad320d84fa5a40542
SHA1 hash:
f2daf79f4bfd1118856e13e1487c99259415d39e
Link:
https://www.unpac.me/results/5ba76347-3bbb-4caa-a5ad-d8ed1122190d/
SH256 hash:
21641a9069d48b81a249af61b628ce768926be28201f0fbddefaaf2343d835ef
MD5 hash:
dbe8c17b24c2b241dd62bb876b0bfc0a
SHA1 hash:
be0c0aefe203b8904b00b26dd876d53d9dee1640
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/5ba76347-3bbb-4caa-a5ad-d8ed1122190d/
Parent samples :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 hash:
e88a0ecd8a546b81993a01d5b181a76b677fd22489b221456dbce358202947e1
MD5 hash:
384cfbef6fbbdbead98fc4cca80b3366
SHA1 hash:
850cb66538638faaf0b02be400c68e6de7ec873c
Link:
https://www.unpac.me/results/5ba76347-3bbb-4caa-a5ad-d8ed1122190d/
SH256 hash:
22d49a96aa2b8a7914a23d8131506aef2cf8c84e42737adc0b2110028beebb9f
MD5 hash:
7b07b32691c79d5f9e77acd1959ceebf
SHA1 hash:
762fbac565622377d5b64a12dcf37b0385006212
Link:
https://www.unpac.me/results/5ba76347-3bbb-4caa-a5ad-d8ed1122190d/
SH256 hash:
839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773
MD5 hash:
28594990ba6d4f212d31c88e5c34c540
SHA1 hash:
f9dc41bd7d73c9d4351d23e9ef891049543dd3c0
Link:
https://www.unpac.me/results/5ba76347-3bbb-4caa-a5ad-d8ed1122190d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/839e99379a8b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/839e99379a8b401715d4d172895e7d901a66bfe643bd9be96a56f6d3aadc7773

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/461247/

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