MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
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SHA256 hash: bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e
SHA3-384 hash: 68e41aa7f28657ff3d2b4dcf32dfce35a5dc922acff67eacf939cdae124edb8aa096e457277aa145ee6f8995ae480591
SHA1 hash: dcacff9a7ece7ddff062a7aee4b13a8f31c49883
MD5 hash: edc935526d07358e31cee5b17ab1d38d
humanhash: bluebird-ack-quiet-iowa
File name:AWB0008897.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:623'104 bytes
First seen:2023-09-29 09:04:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:v725UJwCX4WItRhq+H2tshgVYAInBJ81dkpe52PRN4:KmfItR0cqshvtRe5ARN
Threatray 1'504 similar samples on MalwareBazaar
TLSH T1E1D4221874D04732EE8E47765B9C01670334B951AAA5D771CACB33EE3D3A3C665A2F22
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 b26969e8e8e8f0f0 (23 x AgentTesla, 13 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
AWB0008897.exe
Verdict:
Malicious activity
Analysis date:
2023-09-29 09:12:53 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/aa4871b2-4c71-440f-879c-8bf8f624a4d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65169304988a26b6d971fef4/reports/130ae76f-b8d0-49a9-83dd-d1e3e644ad33/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Agent
Link:
https://www.hybrid-analysis.com/sample/bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87891e63-e79a-4dba-add9-59d9794bb15b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316316
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316316 Sample: AWB0008897.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 7 AWB0008897.exe 7 2->7         started        11 yYUXdUJUfdxoJz.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\yYUXdUJUfdxoJz.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp21C5.tmp, XML 7->37 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Adds a directory exclusion to Windows Defender 7->57 13 AWB0008897.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 23 yYUXdUJUfdxoJz.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 39 mail.ardsmmm.com 13->39 41 mx.ardsmmm.com 185.111.247.38, 49721, 49723, 587 MUVHOSTTR Turkey 13->41 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        43 mail.ardsmmm.com 23->43 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->65 67 Tries to steal Mail credentials (via file / registry access) 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-26 13:04:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xojuzdezhnnas3x3ei4wxaquonu7vdxuj7bnuciitzmqrapiyyha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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59a8979d512482bc6a656efb0445fbd1ad97b6c07e6b4353204c6992daca3e35
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ccee252d64856661eb0ce8ad16565d08ac0013c49e3c386e8011ce1921682d59
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d8c49ba8b26cbf93164e1051bd1322d0e855b4b15357fcad7a05edbb40564078
AgentTesla
+ 1'494 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230929-k1my6sha9s/
Behaviour
Creates scheduled task(s)
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
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:
02ec2a6271b234d0eff15d5451d121e30841590a3cedbcd3ea078da2ecee76de
MD5 hash:
a26ebd3e65f060ef02c70e0b588e74ce
SHA1 hash:
da3d8b0456ac0dbcaf4002169e1b3795fd6cc3ac
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/67f88424-495b-4f14-b71e-a27d6a9f608d/
Parent samples :
bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e
b607d204b9850b18b8174c1124fa960a5d204572b6a78e9558589189eb71dd32
SH256 hash:
a1f5eefd41b65779fa8148721ac828e320ecaf8de2299b623834f40d8bf584a4
MD5 hash:
4d1abefc7e7c8f02d863bd1b1059479e
SHA1 hash:
b068fdb64a31595822f57265d8a3777ddeb249fe
Link:
https://www.unpac.me/results/67f88424-495b-4f14-b71e-a27d6a9f608d/
SH256 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
Link:
https://www.unpac.me/results/67f88424-495b-4f14-b71e-a27d6a9f608d/
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/67f88424-495b-4f14-b71e-a27d6a9f608d/
SH256 hash:
bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e
MD5 hash:
edc935526d07358e31cee5b17ab1d38d
SHA1 hash:
dcacff9a7ece7ddff062a7aee4b13a8f31c49883
Link:
https://www.unpac.me/results/67f88424-495b-4f14-b71e-a27d6a9f608d/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb934c8c993b/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/bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e

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: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

Executable exe bb934c8c993b5a096efb22396b82147369fa8ef44fc2da09089e590881e8c60e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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