MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
SHA3-384 hash: f93595e4ee60bb0977d73dffc64b3a4f6eb998683b8e69e4fbead49efdac46a3c38199ff0197e450fc04c62abedcff02
SHA1 hash: 15c8ffa7378b0400d01e76c99fa8db7a3463cf4a
MD5 hash: c3932b08906d27ab9c4b4098a76aacb4
humanhash: uranus-princess-video-mockingbird
File name:RFQ-HIGH STAR PROJECT - Copy.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:714'752 bytes
First seen:2024-01-24 08:35:21 UTC
Last seen:2024-01-29 09:24:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2WfDJPhz6NvFQejXrjg/Vx47mFNtZEiWJSC8OOiwrecAbq6ULukQd:2MPhz6NdQePjWjqmFNtZEicUrIGH
TLSH T1E2E423807E163B7FE57F8BF118458624D7F6AB1B5068E6E40C9810DE4EF7B154A24E83
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)
File icon (PE):PE icon
dhash icon 68707194b2b2b200 (5 x AgentTesla, 3 x Formbook)
Reporter cocaman
Tags:AgentTesla exe RFQ

Intelligence

File Origin
# of uploads :
5
# of downloads :
328
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/472656/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.22397.19069.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
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
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65b0cbfaf3cf17c17b77d00b/reports/1fb4dd2c-6d03-4c80-b050-39e8bb992ee5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
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/b4ce4550-886b-4472-a9e4-ea5c5d651c5e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1380108
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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/b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-01-24 06:13:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpddplevqx7orrdcummqesl7tpiunxhyaotw7fr7aagb3guzoteq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
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/240124-khkq4aebcr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
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:
22dc53e5af413f0811bcf3f58782ac9d2b7c05f8e91e73ef85bc7eb6f4f37c43
MD5 hash:
ee9ef1899f2719026af0f3a40d56a177
SHA1 hash:
f093cbfd9ea7aaff8a437a4fefd14ba3959d6a25
Link:
https://www.unpac.me/results/a9d2e315-6aa6-43af-8560-30512c38251d/
SH256 hash:
5fd5103a65f57977e96f55256c8e58c3d32b61490fad9226c4819a02bfb02107
MD5 hash:
04916b7d15e66de730168ed0cfaa85a5
SHA1 hash:
a505b1095080de7c8e5e3161df036094eea6f406
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/a9d2e315-6aa6-43af-8560-30512c38251d/
Parent samples :
a2eabfe59c19d9111faddff46b2d2dd553329ded7321cd67f977d5bb63140542
fd8ea7b40be90b4c239e81785b0f33e38ec3683964e714b25d69585144006def
b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
SH256 hash:
e7faabe1f7437402342c02106c99c4f4f72c474f9cbf53d65443677b08dc2073
MD5 hash:
e2f0172ee1cc4a39c7de1f1d258d49f8
SHA1 hash:
70b116427123a5edc3345254832eabee1a93f2ea
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/a9d2e315-6aa6-43af-8560-30512c38251d/
Parent samples :
63f2ab7b378b46324d18e2a5246a1966d80be0952738c16c512358d537216ee6
a72e43fa37b46c6c05aae87485a78b39a69d82624a447bc4a6f2481bcb892709
b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
0443311f4b05218b62f48a55e9352a7bae03736be86f25590419adf5839f23c5
ab48bc3904e5c7bb945e11c380a9e235fff37325e68e32dc42bbd6dd11c36f1d
SH256 hash:
d59f335ed911cea16bbdd613ce184d7de5c7c903307ae5c9f3718b7705f5570a
MD5 hash:
16be0e69ad08fe371cac41f11d710461
SHA1 hash:
4d12ddcd060b704357d5deff5fb1b8be1b352e34
Detections:
Saudi_Phish_Trojan
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/a9d2e315-6aa6-43af-8560-30512c38251d/
Parent samples :
1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
0dc0814bf9af68b936d74daf83ecc88ed015d0b1a53c1bf886ea739dcaa1166e
a2eabfe59c19d9111faddff46b2d2dd553329ded7321cd67f977d5bb63140542
fd8ea7b40be90b4c239e81785b0f33e38ec3683964e714b25d69585144006def
d20a82f699a3d07796c13d2769b07c6cd8825cc52c35ced5fd6d4a157adb0b36
b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
98bfea598fdbf66e6fe2ec2c44712794464832f0ae920abc93843780c15f506b
9c08f0499db9529b8c171f66432a1185ca004f2762ee77e3de9f3d8a8f5998bd
90ce02725d886ba2f6ae19d75257230e7fb80c9d19fa77d715f3e3226bd07125
SH256 hash:
49f12025017c6a5aec4d4b5c661048b49e05635297a55aba88e28b8ca74ef0ce
MD5 hash:
66cb5e8d0fd00d3f69cc260ce48dec0c
SHA1 hash:
11fb2d2634ad099a38a9814b52b5e2778e7c9e89
Link:
https://www.unpac.me/results/a9d2e315-6aa6-43af-8560-30512c38251d/
SH256 hash:
b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
MD5 hash:
c3932b08906d27ab9c4b4098a76aacb4
SHA1 hash:
15c8ffa7378b0400d01e76c99fa8db7a3463cf4a
Link:
https://www.unpac.me/results/a9d2e315-6aa6-43af-8560-30512c38251d/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3c637ac9585/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/b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9

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:NET
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

arj 5699342ff4c62878c0876983eb60ce7d52d33f4e71fd04158d84d4571df44cfc

AgentTesla

Executable exe b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 5699342ff4c62878c0876983eb60ce7d52d33f4e71fd04158d84d4571df44cfc
Cape
Cape
https://www.capesandbox.com/analysis/472656/
  
Dropped by
MD5 bfcbf8b96af951c38e0356667f000809

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