MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b330a1fe0dfe187f29da0964f4fc3fc5743cd339f2463e96b247fa7fd72c6c9e. 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: 12


Intelligence 12 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b330a1fe0dfe187f29da0964f4fc3fc5743cd339f2463e96b247fa7fd72c6c9e
SHA3-384 hash: bac29b534a7a035c697227382fc2ffc95fcaf19d9f953aab413c29dd953b58f99c410330efd7a6900e96cf22b79cad56
SHA1 hash: 00f703fd3d300f0418fff36ed92272c5cd12b46c
MD5 hash: 14962643dd295169c6698a1dacf93c4c
humanhash: fix-juliet-sad-lima
File name:Doc57120.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:498'176 bytes
First seen:2022-07-25 06:07:27 UTC
Last seen:2022-07-25 08:30:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:7qfaRha8jWHjRpndfgprIf/kveOTCpQudddagzUsiWh6XOfnbcaFg78MjobD9Y7u:V96HjO4/CeOqQudddagzUsiWh6XOfnbL
TLSH T101B48AF672E3015DE806BC7889F9AE77F825CE32189D667CEF7D740A15E52BA4180312
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 0800e2eeece2e468 (10 x AgentTesla, 4 x NanoCore, 2 x QuasarRAT)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://107.182.129.59/t1/bray/inc/a57dbd02fd3e31.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://107.182.129.59/t1/bray/inc/a57dbd02fd3e31.php https://threatfox.abuse.ch/ioc/839417/

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293880/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.18555.2124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62de3381ef4d15d9c0302485/reports/39fe4840-86cb-4308-ab90-aa09e51ea85c/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/78e16de1-9b1a-447c-8156-5daf9d1ff0d2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040151
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates multiple autostart registry keys
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 672645 Sample: Doc57120.exe Startdate: 25/07/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 5 other signatures 2->66 7 Doc57120.exe 1 5 2->7         started        11 excel.exe 2 2->11         started        13 Wmszkdbui.exe 2 2->13         started        15 2 other processes 2->15 process3 file4 52 C:\Users\user\AppData\...\Wmszkdbui.exe, PE32 7->52 dropped 54 C:\Users\...\Wmszkdbui.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\...\Doc57120.exe.log, ASCII 7->56 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->80 82 Encrypted powershell cmdline option found 7->82 84 Creates multiple autostart registry keys 7->84 17 Doc57120.exe 17 5 7->17         started        22 powershell.exe 15 7->22         started        86 Multi AV Scanner detection for dropped file 11->86 88 Machine Learning detection for dropped file 11->88 90 Document exploit detected (process start blacklist hit) 11->90 24 excel.exe 11->24         started        26 powershell.exe 11->26         started        92 Injects a PE file into a foreign processes 13->92 28 powershell.exe 13->28         started        30 Wmszkdbui.exe 13->30         started        32 Wmszkdbui.exe 13->32         started        94 Injects files into Windows application 15->94 34 powershell.exe 15->34         started        36 powershell.exe 15->36         started        signatures5 process6 dnsIp7 58 107.182.129.59, 49772, 49783, 80 META-ASUS Reserved 17->58 48 C:\Users\user\AppData\Local\...\excel.exe, PE32 17->48 dropped 50 C:\Users\user\...\excel.exe:Zone.Identifier, ASCII 17->50 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Moves itself to temp directory 17->70 72 Tries to steal Mail credentials (via file / registry access) 17->72 76 5 other signatures 17->76 38 conhost.exe 22->38         started        74 Injects files into Windows application 24->74 40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b330a1fe0dfe187f29da0964f4fc3fc5743cd339f2463e96b247fa7fd72c6c9e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-25 05:50:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmykd7qn7ymh6ko2bfspj7b7yv2dzuzz6jdd5fvsi75h7vzmnspa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220725-gvwscahhc5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
http://107.182.129.59/t1/bray/inc/a57dbd02fd3e31.php
Unpacked files
SH256 hash:
31cb1e5b4340ee67ca26ece202be3a8f9d3927f7ed8943e5fe17b9be6b646e08
MD5 hash:
003867bf629785578980c5ffcf858ad5
SHA1 hash:
d501360b9d9c543cecb8519a90195bde1b747375
Link:
https://www.unpac.me/results/436c3060-bf30-4ee8-9625-69c74a708cb8/
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/436c3060-bf30-4ee8-9625-69c74a708cb8/
SH256 hash:
8df4fc39e0802b435952b0023559d8d816b7888c328dbc0ea60fcc6154d57857
MD5 hash:
82da156c35bd7968af9b0c1dbac5c074
SHA1 hash:
3a4cb1684525a4feb4cec7e6462432f631c482cb
Link:
https://www.unpac.me/results/436c3060-bf30-4ee8-9625-69c74a708cb8/
SH256 hash:
b330a1fe0dfe187f29da0964f4fc3fc5743cd339f2463e96b247fa7fd72c6c9e
MD5 hash:
14962643dd295169c6698a1dacf93c4c
SHA1 hash:
00f703fd3d300f0418fff36ed92272c5cd12b46c
Link:
https://www.unpac.me/results/436c3060-bf30-4ee8-9625-69c74a708cb8/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b330a1fe0dfe/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/b330a1fe0dfe187f29da0964f4fc3fc5743cd339f2463e96b247fa7fd72c6c9e

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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/293880/

Comments