MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca31477651e5f566affdc7426300bbdfecef8ca2c38803fce93337ec84b11037. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca31477651e5f566affdc7426300bbdfecef8ca2c38803fce93337ec84b11037
SHA3-384 hash: b756dbbc219e321a2b75931093a430bf3d033f3d1452c23d3c9cbdc7ce3df031ef8d7e763a75b1b0898eeab0dd5f7f6a
SHA1 hash: 54c17124f43caec674e0af7607a40f058c3d6864
MD5 hash: 1a79ec4a26af056ff88aa5625b5d0268
humanhash: victor-spaghetti-network-beer
File name:RFQ,xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:734'720 bytes
First seen:2023-10-26 07:37:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:HMQHMjgR/mZRM+Bfqp3WyuKqr7u0jTCud5ecyA7o1PCvv6vwTH0CK0wW:CgkZR5wlKrr7Fm36o1PCHqwxD
Threatray 1'608 similar samples on MalwareBazaar
TLSH T1D0F412103B68AB51D87DA3FA99C5811417FAD72A279BC74C3CC271D5266970CCEA2F0B
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 cocaman
Tags:AgentTesla exe RFQ

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/456497/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/653a175b4ebf05ac3f3a1659/reports/f2b516a5-855c-4e70-9ef4-6de5e92adf4e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ca31477651e5f566affdc7426300bbdfecef8ca2c38803fce93337ec84b11037
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/cbe6fdc3-aaaf-4080-96b9-3e05f737f9af
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1332502
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca31477651e5f566affdc7426300bbdfecef8ca2c38803fce93337ec84b11037/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-23 14:46:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ziyuo5sr4x2wnl75y5bggaf337wo7dfcyoeah7hjgm36zbfrca3q._file
Verdict:
malicious
Similar samples:
4a793a9dfa5fac79c6e6b8f1d36e8719cc8f2849849259f364ee8e4af08d9613
AgentTesla
984b47239030d5b11269937dc295c51301d012911b89a50634a32a485638b8a7
AgentTesla
9fe9a0edbf56394c7f65764f1fe3a567ef7689716ee94cd1b415a00f907520bf
AgentTesla
b7ff72b60c763c4f62ea0b572f261c5d87bd55f4b33903150ebd08b339fc72da
AgentTesla
bef157a5652da00c4e51f79e8a96bd0017216ddec319309074338c2dcf3dca8a
AgentTesla
cb42b7fe8e4b91d233ed1755f6ac5e83d6d2d44f1320a55c88d034cf566f658d
AgentTesla
+ 1'598 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/231026-jgdqqaed74/
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:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/c69c4c0e-08bf-4b30-aac1-65a6d0a844f0/
SH256 hash:
85cb15c8faf9637dfa21fdf4934793c2fce7a9e1fab54091645069c97357e860
MD5 hash:
0b89d8fc23753531ba10e3367e73751e
SHA1 hash:
c421597d6a8543f5fdb33de1075c0d56bffa7cf4
Link:
https://www.unpac.me/results/c69c4c0e-08bf-4b30-aac1-65a6d0a844f0/
SH256 hash:
44ed0060eab08595d2b4ad0626e5271728b42de5e5e88cc92428adc92dd79605
MD5 hash:
10212ba46bfc4a8b427083c7d3099161
SHA1 hash:
7385ec7da4970120063845f90a24d9253e9ac1c2
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/c69c4c0e-08bf-4b30-aac1-65a6d0a844f0/
Parent samples :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 hash:
1b9cf111ab8030353e307831eea50f1e9a82bbb6b6a55c9dff14a00b65c6daf7
MD5 hash:
d83bb1104d1a2aaa26c51a702fe4df81
SHA1 hash:
55d014e6a402501fca8e6b0d89dbc41d2760b03e
Link:
https://www.unpac.me/results/c69c4c0e-08bf-4b30-aac1-65a6d0a844f0/
SH256 hash:
ca31477651e5f566affdc7426300bbdfecef8ca2c38803fce93337ec84b11037
MD5 hash:
1a79ec4a26af056ff88aa5625b5d0268
SHA1 hash:
54c17124f43caec674e0af7607a40f058c3d6864
Link:
https://www.unpac.me/results/c69c4c0e-08bf-4b30-aac1-65a6d0a844f0/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca31477651e5/report/overview.html
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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Malspam

AgentTesla

zip a9b613bd939be1d785b4b528ead8d92df9354c4dfa092022c3bca4094d76f5ba

AgentTesla

Executable exe ca31477651e5f566affdc7426300bbdfecef8ca2c38803fce93337ec84b11037

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a9b613bd939be1d785b4b528ead8d92df9354c4dfa092022c3bca4094d76f5ba
Cape
Cape
https://www.capesandbox.com/analysis/456497/
  
Dropped by
MD5 45a907732b4519deb6936f28abf5f094

Comments