MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c12b87a5074c0a18d717cc704bb90915829327c304e0c95384f88820f0215cb. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 8c12b87a5074c0a18d717cc704bb90915829327c304e0c95384f88820f0215cb
SHA3-384 hash: ff8fb8f2d3f682a8ae2a624c3582363f89aac833b2296a43b348ad500cace8cade31afbe590cfc5584c9c7eeec568a9b
SHA1 hash: c7634525ee0c1e401c3e64cfb733faec767eb301
MD5 hash: fffec0dd4845205f6db2368476119fbc
humanhash: bluebird-wolfram-table-pennsylvania
File name:TEF2023000000701.exe
Download: download sample
Signature AgentTesla
File size:717'824 bytes
First seen:2023-05-05 14:44:37 UTC
Last seen:2023-05-13 22:57:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:8B9ni4IyoIvQbk6cnAjzEBS2SNQ9kaJCWp0+7Q8mPDUrYa2ljKrCNum:8/wIGcA3weGTZ1PmPDk21g
Threatray 872 similar samples on MalwareBazaar
TLSH T19AE4D1E521BA8B92E03B87F01078F45003B5716B65EFDE210F9670D95D9AF102E99B8F
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 threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TEF2023000000701.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 14:46:53 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Gathering data
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.
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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 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
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 860010 Sample: TEF2023000000701.exe Startdate: 05/05/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 9 other signatures 2->49 7 TEF2023000000701.exe 7 2->7         started        11 oVPIiUV.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\oVPIiUV.exe, PE32 7->33 dropped 35 C:\Users\user\...\oVPIiUV.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpACCD.tmp, XML 7->37 dropped 39 C:\Users\user\...\TEF2023000000701.exe.log, ASCII 7->39 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 TEF2023000000701.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 TEF2023000000701.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 23 oVPIiUV.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 api.telegram.org 149.154.167.220, 443, 49692, 49693 TELEGRAMRU United Kingdom 13->41 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->63 65 Tries to steal Mail credentials (via file / registry access) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 31 conhost.exe 25->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-03 11:12:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6277254729:AAH9hHYZNSDZac0nNvgmchkZF8WVRKU5dJ0/
Unpacked files
SH256 hash:
280001013946838a651abbdee890fa4a4d49c382b7b5e78b7805caef036304e2
MD5 hash:
d4b6893a5512534104c6c7403be60897
SHA1 hash:
d4b51c3e4cafb3b146435a4e2e21bb5ddf15956d
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
SH256 hash:
586f5669f061357a93fa973e2d4a7884cd5a7d995aee9f8dc14914692bbc46ae
MD5 hash:
5010b9cdd5482e29bf4654a1b3031bcd
SHA1 hash:
80b475e70c7a4ac5b80acddab9d13c2e4f300f1e
SH256 hash:
d14376b28ac0d9dcaab58524fcb935eb279dbacb4838cb4c4782af148b3366c6
MD5 hash:
1fff603c1f8ae76b14e9e9d37fdbcc61
SHA1 hash:
10cae2a7446685a251e2368e0d713f6b18346157
SH256 hash:
8c12b87a5074c0a18d717cc704bb90915829327c304e0c95384f88820f0215cb
MD5 hash:
fffec0dd4845205f6db2368476119fbc
SHA1 hash:
c7634525ee0c1e401c3e64cfb733faec767eb301
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_EXE_in_ISO
Author:SECUINFRA Falcon Team
Description:Detects ISO files that contains an Exe file. Does not need to be malicious
Reference:Internal Research

File information


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

Malspam

AgentTesla

Executable exe 8c12b87a5074c0a18d717cc704bb90915829327c304e0c95384f88820f0215cb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments