MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5a23c2ef617a9a0b87f82ebc9f6c2c892a179a53bd35ce725be92c68465b245. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: b5a23c2ef617a9a0b87f82ebc9f6c2c892a179a53bd35ce725be92c68465b245
SHA3-384 hash: 41ac28ad8cea1c2e73b0e287ad162ef7c44eccdefcf34a68b26587350c344a5e341d32d6241a46207e2a2cb9f64850f3
SHA1 hash: 97cf7689f3b6dfd0efd37e7f16aa1bd2cfe537de
MD5 hash: f7c9cf1410373a60a5c5a5e02aa4bd3c
humanhash: victor-nine-romeo-tango
File name:b5a23c2ef617a9a0b87f82ebc9f6c2c892a179a53bd35ce725be92c68465b245
Download: download sample
Signature AgentTesla
File size:801'280 bytes
First seen:2022-08-05 10:20:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (31'209 x AgentTesla, 10'508 x Formbook, 5'466 x SnakeKeylogger)
ssdeep 12288:hk2xg+ugGp2SrKUhxw3YjusvkRgutp43ARSepVIAnlFxCn9nLtzHeb:y2xgP01D3tRgutOzepVIAlLGnc
TLSH T10205E090B9689B22D67EE7F8947121106BF17C66252AE79D2EC134CE0CB3F944E31E53
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 13332f0f0f333333 (2 x AgentTesla)
Reporter @adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
HU HU
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b5a23c2ef617a9a0b87f82ebc9f6c2c892a179a53bd35ce725be92c68465b245
Verdict:
Malicious activity
Analysis date:
2022-08-05 10:19:43 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
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
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 AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679221 Sample: wKQpOZ58Gl Startdate: 05/08/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 13 other signatures 2->43 7 wKQpOZ58Gl.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\kqruryFrIFc.exe, PE32 7->25 dropped 27 C:\Users\...\kqruryFrIFc.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp92BC.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\wKQpOZ58Gl.exe.log, ASCII 7->31 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 2 other signatures 7->51 11 wKQpOZ58Gl.exe 15 6 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        19 wKQpOZ58Gl.exe 7->19         started        signatures5 process6 dnsIp7 33 api.telegram.org 149.154.167.220, 443, 49783, 49785 TELEGRAMRU United Kingdom 11->33 35 192.168.2.1 unknown unknown 11->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 Tries to harvest and steal ftp login credentials 11->57 59 2 other signatures 11->59 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-07-29 01:00:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
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 SetWindowsHookEx
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/bot5589784704:AAHKB3hx6EncDiLmSpjVqiBsp072Mevw-S8/sendDocument
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
a95b9fdf0834d27631e0e30e9c298584b72f6eea30b55d791f687a747dea1185
MD5 hash:
5ceb4f1de4455e1d4f663465bf7f7282
SHA1 hash:
897eda00b404b8a25a5cdb79a51fd444de5b0f07
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
SH256 hash:
b5a23c2ef617a9a0b87f82ebc9f6c2c892a179a53bd35ce725be92c68465b245
MD5 hash:
f7c9cf1410373a60a5c5a5e02aa4bd3c
SHA1 hash:
97cf7689f3b6dfd0efd37e7f16aa1bd2cfe537de
Malware family:
AgentTesla.v3
Verdict:
Malicious

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments