MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3128342e14d0e3fdf92828d146cc86bc6f52520cd792b043f72e20eddb022e10. 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 5 File information Comments

SHA256 hash: 3128342e14d0e3fdf92828d146cc86bc6f52520cd792b043f72e20eddb022e10
SHA3-384 hash: a686dd78556298cf9d0a23ed5ac08b6ff873805cefdb4cf9e8ed01f2da2550d987f6021de39038e29d76f5750d8e6c1f
SHA1 hash: 393758e3aacf67b649401b5262eb899c26d2701b
MD5 hash: a22259ac39ff1994898f66528aa1bb69
humanhash: tango-neptune-stream-whiskey
File name:Documents.exe
Download: download sample
Signature AgentTesla
File size:616'448 bytes
First seen:2023-06-23 06:40:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:lAk54/mNUAMpyMPX9VsWKFkKx+xvR49OWhkCA5BBRYqcQI:Wk54/QUdpygPsTFXDo8bAjBRYn
Threatray 4 similar samples on MalwareBazaar
TLSH T10FD4224F32442E66E1F89CB844AB120423F55B396017E7999FE138D27EC66C51F90AFB
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 a0300898f47e361c (7 x AgentTesla, 2 x Formbook, 1 x Loki)
Reporter lowmal3
Tags:AgentTesla api-telegram-org exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 07:19:34 UTC
Tags:
agenttesla

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
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 893177 Sample: Documents.exe Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 8 other signatures 2->53 7 Documents.exe 7 2->7         started        11 sWZYctEk.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\sWZYctEk.exe, PE32 7->31 dropped 33 C:\Users\...\sWZYctEk.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp8B55.tmp, XML 7->35 dropped 37 C:\Users\user\AppData\...\Documents.exe.log, CSV 7->37 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 RegSvcs.exe 15 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 67 Injects a PE file into a foreign processes 11->67 21 RegSvcs.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 api4.ipify.org 173.231.16.76, 443, 49694, 49696 WEBNXUS United States 13->39 41 api.telegram.org 149.154.167.220, 443, 49695, 49697 TELEGRAMRU United Kingdom 13->41 43 api.ipify.org 13->43 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->71 73 May check the online IP address of the machine 13->73 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        45 api.ipify.org 21->45 75 Tries to steal Mail credentials (via file / registry access) 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-23 03:27:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 37 (59.46%)
Threat level:
  2/5
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5711515928:AAGr5pLEJgjvMf5yBzvNPjftYdw-oXyzKzg/
Unpacked files
SH256 hash:
f8c205945e3d87ef11b994c7a29c2f75480a150c7b6f54537c361844329a9bf8
MD5 hash:
c51d121b7944a7025c7c899f4c918450
SHA1 hash:
ebb9eef61cee16e5770ebc17c67664640e926a93
Detections:
AgentTeslaXorStringsNet
SH256 hash:
9f494581413e915d2c78dba4eb1d3b3f2a6d24ac424617dcff6f9ea6393af92b
MD5 hash:
fb1d4ba91fffdfb5068b36bb0d3ceb47
SHA1 hash:
dcc8eadc2dae931e5b5dc61d263edfff0668602d
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
3128342e14d0e3fdf92828d146cc86bc6f52520cd792b043f72e20eddb022e10
MD5 hash:
a22259ac39ff1994898f66528aa1bb69
SHA1 hash:
393758e3aacf67b649401b5262eb899c26d2701b
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Malspam

AgentTesla

Executable exe 3128342e14d0e3fdf92828d146cc86bc6f52520cd792b043f72e20eddb022e10

(this sample)

  
Delivery method
Distributed via e-mail attachment

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