MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a
SHA3-384 hash: e763cfe742452801c948733876d3e0d179fb618067d11977e2e5faf99368e8855229bd8970defb75f9e0e426a7ad9bd3
SHA1 hash: 5fb7530fbfd2e695837d75456efa6f0f8b72717e
MD5 hash: b46f6470550e3030e8275df2442be14a
humanhash: utah-oxygen-seven-may
File name:B.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:629'248 bytes
First seen:2023-11-30 07:29:43 UTC
Last seen:2023-11-30 09:32:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mqfLYYZXTyDMs1RkbSvsPTtoqhTCEYkffrdwc4vSoEYM742HpxOQCxFr0N+:9XTkMgRogWTtoqh207e/Sp82HpxOvxFw
TLSH T199D423606F852339CA7C4FF10862E9A113F5E3223525DD9C90E794EC1A6BB16C5623FB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 186c6c6c98e866d2 (10 x AgentTesla, 8 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/461344/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Stealing user critical data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a
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/7541b2ca-020e-47f5-a9cc-460e4049c999
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1350400
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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/990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-30 06:08:29 UTC
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tefxdqhdyys4ub4ypo4xsahtpuikeyg7qwcuhdci4yufifijmmva._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231130-jbt6hshb44/
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:
21a5856aee5cd9b79a066b56f1b6602c4981fa830ae69ea5ebf02a97acf18de8
MD5 hash:
cd25d896416a6ba252083df9d51d5a62
SHA1 hash:
f98221b804ed4036b3d8c2711f8039e5369424b3
Link:
https://www.unpac.me/results/3bb5631a-6745-40c5-b484-5d430c033ed4/
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/3bb5631a-6745-40c5-b484-5d430c033ed4/
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/3bb5631a-6745-40c5-b484-5d430c033ed4/
Parent samples :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 hash:
e88a0ecd8a546b81993a01d5b181a76b677fd22489b221456dbce358202947e1
MD5 hash:
384cfbef6fbbdbead98fc4cca80b3366
SHA1 hash:
850cb66538638faaf0b02be400c68e6de7ec873c
Link:
https://www.unpac.me/results/3bb5631a-6745-40c5-b484-5d430c033ed4/
SH256 hash:
990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a
MD5 hash:
b46f6470550e3030e8275df2442be14a
SHA1 hash:
5fb7530fbfd2e695837d75456efa6f0f8b72717e
Link:
https://www.unpac.me/results/3bb5631a-6745-40c5-b484-5d430c033ed4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/990b71c0e3c6/report/overview.html
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/990b71c0e3c625ca07987bb97900f37d10a260df8585438c48e628541509632a

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
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/461344/

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