MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c9e12f3f9ef87f807a395834268564d454b46df81a60d679353a89ed7fa18ad. 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: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c9e12f3f9ef87f807a395834268564d454b46df81a60d679353a89ed7fa18ad
SHA3-384 hash: 848ea9ea51a005aed59c37b3e15362d8f8683c95cffdffc79b1c8a73ed0ca88fa1fc5815cf841c762d7d96202d3714f6
SHA1 hash: 9f13d077ec817cc50098783a823361c75b8bd66f
MD5 hash: 9c621c8ddd06510d23ee9fa5e25a781c
humanhash: colorado-march-ten-jupiter
File name:9c621c8ddd06510d23ee9fa5e25a781c.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:210'944 bytes
First seen:2022-04-18 15:38:27 UTC
Last seen:2022-04-18 16:48:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:yjw2HPHANJO5sQkboBTbE4082MXtjfxBiMpuK3MkKotlyF4GP+ObEfZZB:AIL4kb0TbthXBfT7pH3lt0CM+zB
Threatray 16'090 similar samples on MalwareBazaar
TLSH T1B6246E89EE4C841DCE2828F54852B174CA793EDA3E1EE54ADD4077163833662E67DB33
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b9dc8cccdeded9b8 (12 x AgentTesla, 7 x Formbook, 7 x NanoCore)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla payload URL:
http://49.12.244.154/fs-1d/wd/loader/uploads/QTN01000037522_Yvoymmnn.jpg

AgentTesla C2:
http://31.210.20.150/rom/inc/d5733fcf29771b.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://31.210.20.150/rom/inc/d5733fcf29771b.php https://threatfox.abuse.ch/ioc/521037/

Intelligence

File Origin
# of uploads :
2
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264367/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.7223.4762.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/625d862affe27d511900baf9/reports/106a0458-d493-459b-b0cc-a5c81c53db37/overview
Result
Verdict:
UNKNOWN
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/191b21f5-92d9-48ae-a1b8-ba5d328dbc8c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/978298
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 ftp login credentials
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 610785 Sample: gCnUxjjd8Y.exe Startdate: 18/04/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 5 other signatures 2->67 7 gCnUxjjd8Y.exe 16 7 2->7         started        12 Rino.exe 14 4 2->12         started        14 Rino.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 59 49.12.244.154, 49749, 49763, 49764 HETZNER-ASDE Germany 7->59 51 C:\Users\user\AppData\Roaming\...\Rino.exe, PE32 7->51 dropped 53 C:\Users\user\...\Rino.exe:Zone.Identifier, ASCII 7->53 dropped 55 C:\Users\user\AppData\...\gCnUxjjd8Y.exe.log, ASCII 7->55 dropped 83 Creates multiple autostart registry keys 7->83 85 Writes to foreign memory regions 7->85 87 Injects a PE file into a foreign processes 7->87 18 InstallUtil.exe 16 4 7->18         started        23 cmd.exe 1 7->23         started        25 InstallUtil.exe 12->25         started        27 cmd.exe 12->27         started        29 cmd.exe 14->29         started        31 InstallUtil.exe 14->31         started        33 conhost.exe 16->33         started        35 conhost.exe 16->35         started        file5 signatures6 process7 dnsIp8 57 31.210.20.150, 49756, 49766, 49767 PLUSSERVER-ASN1DE Netherlands 18->57 49 C:\Users\user\AppData\Roaming\...\cTlNs.exe, PE32 18->49 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 81 2 other signatures 18->81 37 conhost.exe 23->37         started        39 timeout.exe 1 23->39         started        75 Tries to harvest and steal ftp login credentials 25->75 77 Tries to harvest and steal browser information (history, passwords, etc) 25->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->79 41 conhost.exe 27->41         started        43 timeout.exe 27->43         started        45 conhost.exe 29->45         started        47 timeout.exe 29->47         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c9e12f3f9ef87f807a395834268564d454b46df81a60d679353a89ed7fa18ad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-18 14:56:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
29098c0f72436c39ec0e7e567dc00bb5f78353f3b9c71e22901b19178e2b6748
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3b35160a0221a2abd530bf26c039844ed986971c906fcb6e6feedb8978d076b8
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40b3d1d4ce7ef8d64dd816b1f5c10f6b3bf21ef858776b0da7adddbf1b5dd6b9
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4ea32ccd68ea4437adbb5639bbbd2a0098107f16b851ac463a136ec5ecba796a
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72f31458925d45d9de0f448b159d683de009387ee36852a659a2f30d04b7216c
AgentTesla
a2136b933c4487133913d9138887fdca955bb78f9071842a958949112af5e67b
AgentTesla
dc5eec99aa11a84baf9db82822e5367fb90f34304a660df4831f6f4cb4979e13
AgentTesla
+ 16'080 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220418-s3l4nahbe4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
http://31.210.20.150/rom/inc/d5733fcf29771b.php
Unpacked files
SH256 hash:
3c9e12f3f9ef87f807a395834268564d454b46df81a60d679353a89ed7fa18ad
MD5 hash:
9c621c8ddd06510d23ee9fa5e25a781c
SHA1 hash:
9f13d077ec817cc50098783a823361c75b8bd66f
Link:
https://www.unpac.me/results/b6dc4ed7-5381-4bbe-a6f4-de589751eb62/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c9e12f3f9ef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3c9e12f3f9ef87f807a395834268564d454b46df81a60d679353a89ed7fa18ad

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:WhisperGateStage2
Create hunting rule
Author:Harish Kumar
Description:Yara Rule to Detect WhisperGateStage2

File information

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

Web download

AgentTesla

Executable exe 3c9e12f3f9ef87f807a395834268564d454b46df81a60d679353a89ed7fa18ad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/host/49.12.244.154/
  
URLhaus
https://urlhaus.abuse.ch/url/2152699/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/264367/

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