MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4de1764219d4a2fa465725eab80af95b98d44821264e0cdb83c1196af3bf3e3. 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 2 File information Comments 1

SHA256 hash: a4de1764219d4a2fa465725eab80af95b98d44821264e0cdb83c1196af3bf3e3
SHA3-384 hash: 3d07a6b9f4563950cb65e35f42f44de2870415858d6b59adf8e82061e2a7aab11383cbbd937b4c16ce4f3aefad6add1f
SHA1 hash: 6566ca851834595ce9bc5264b6ee8c7350f0a664
MD5 hash: f2a0d81b6b8f9708eb77f20b7bead146
humanhash: spaghetti-yankee-oven-may
File name:f2a0d81b6b8f9708eb77f20b7bead146
Download: download sample
Signature AgentTesla
File size:662'528 bytes
First seen:2022-08-19 16:10:51 UTC
Last seen:2022-08-19 18:28:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:qd/QUrcLeXcvFjfA+TUN6ijvqfTNVRZA4XRs5pd2x76XvqHbrZJmt6KBpw:qRQoKc6iUdemRhN8vYbrZQUOp
TLSH T17BE4022DB6D98F19C8D8037590E3823103B295CAAAB3D7897FD646E10F827718E5739D
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
234.doc
Verdict:
Malicious activity
Analysis date:
2022-08-19 14:56:33 UTC
Tags:
exploit CVE-2017-11882 trojan opendir loader

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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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 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 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: 687021 Sample: 1QVT4MsJGl Startdate: 19/08/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 11 other signatures 2->51 6 1QVT4MsJGl.exe 3 2->6         started        10 app.exe 2 2->10         started        12 app.exe 3 2->12         started        process3 file4 25 C:\Users\user\AppData\...\1QVT4MsJGl.exe.log, ASCII 6->25 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 14 1QVT4MsJGl.exe 17 5 6->14         started        19 1QVT4MsJGl.exe 6->19         started        57 Injects a PE file into a foreign processes 10->57 21 app.exe 2 10->21         started        59 Machine Learning detection for dropped file 12->59 23 app.exe 14 2 12->23         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49718, 49731 TELEGRAMRU United Kingdom 14->31 27 C:\Users\user\AppData\Roaming\app\app.exe, PE32 14->27 dropped 29 C:\Users\user\...\app.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 33 192.168.2.1 unknown unknown 21->33 41 Tries to harvest and steal ftp login credentials 21->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-19 16:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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/bot5699609579:AAGfoJPndsSjlntCB1sVzhswPE-D_hjcTo4/sendDocument
Unpacked files
SH256 hash:
a3e26afa4644f6de8b99d8f8ef72ca0ebe888eda31dd321cd0328b4b912080cc
MD5 hash:
f765e1bd3c51a4fc34a745a77e6d7786
SHA1 hash:
cf6297f88c4d579994acf644dd43662ef59406cf
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
SH256 hash:
f793bc449f4b2fcbc8062eb5a4009ca961d1c57bdd4f8483f7783706988c6ce2
MD5 hash:
116fe2b43bc7f62e0a7234456fb6c925
SHA1 hash:
7248b082b9e31e234915275f22ab2cc8d7107e56
SH256 hash:
2d91c59a129f540e995f64ce1a3905c4092bb1b6e6ac148a371de4dcdf2c5ba2
MD5 hash:
373921b8c4c023ff9799d6c74f1db199
SHA1 hash:
5983855efee9f3b7be0c1be728fda3c25379b842
SH256 hash:
ff06684e37ac02a158e93a5830f18c1fbd04554de817d0c2ce96c4cc1ceef416
MD5 hash:
36a5d0290b78e3df11092e5b7f38383e
SHA1 hash:
01273d758c199a4bdeedc53053a62630953a1db0
SH256 hash:
a4de1764219d4a2fa465725eab80af95b98d44821264e0cdb83c1196af3bf3e3
MD5 hash:
f2a0d81b6b8f9708eb77f20b7bead146
SHA1 hash:
6566ca851834595ce9bc5264b6ee8c7350f0a664
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: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.

Web download

AgentTesla

Executable exe a4de1764219d4a2fa465725eab80af95b98d44821264e0cdb83c1196af3bf3e3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-19 16:10:54 UTC

url : hxxp://37.139.129.115/234/vbc.exe