MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4286a8f42fee95ed8118364726e1951a444c9a2a499221d0d0638f780a8d831f. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 4286a8f42fee95ed8118364726e1951a444c9a2a499221d0d0638f780a8d831f
SHA3-384 hash: 0d775a56bac6e1e6ad708b9fe878eac88593727eda5fb19664c20b7c7245b792fc695cba14e68a0fe191fe2ff5aae030
SHA1 hash: ab99dabe1089b9c3d6c4c90c9cbd025af667d64d
MD5 hash: 3a8242307d5f4d68584bb4440129393a
humanhash: carolina-nuts-montana-hotel
File name:ZAMOWIENIE 676973_pdf.exe
Download: download sample
Signature AgentTesla
File size:16'896 bytes
First seen:2022-12-19 12:41:16 UTC
Last seen:2022-12-19 14:48:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 192:IqSx2Yk+LlHscWjCSOc5Yt2QUERUDa5nHa:0k+LlH2jBx5IU8UDa5nH
TLSH T1D57271207394832BD9B546739DB7D7E0C235BE31FC768A7E7881B28F893D24D5A90612
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 b474fcccccd4d4cc (10 x SnakeKeylogger, 2 x AgentTesla, 2 x Loki)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
185
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
ZAMOWIENIE 676973_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-12-19 12:42:28 UTC
Tags:
opendir agenttesla

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

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
60%
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
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 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 Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 769868 Sample: ZAMOWIENIE 676973_pdf.exe Startdate: 19/12/2022 Architecture: WINDOWS Score: 100 47 api4.ipify.org 2->47 49 api.telegram.org 2->49 51 api.ipify.org 2->51 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 11 other signatures 2->69 8 ZAMOWIENIE 676973_pdf.exe 16 7 2->8         started        13 Ldxhpuz.exe 14 4 2->13         started        15 Ldxhpuz.exe 3 2->15         started        signatures3 process4 dnsIp5 53 194.4.48.151, 49695, 49697, 49698 FIRSTDC-ASRU Russian Federation 8->53 35 C:\Users\user\AppData\Roaming\...\Ldxhpuz.exe, PE32 8->35 dropped 37 C:\Users\user\...\Ldxhpuz.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\...\ZAMOWIENIE 676973_pdf.exe.log, ASCII 8->39 dropped 71 Encrypted powershell cmdline option found 8->71 73 Injects a PE file into a foreign processes 8->73 17 ZAMOWIENIE 676973_pdf.exe 3 8->17         started        21 powershell.exe 14 8->21         started        75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->75 23 powershell.exe 13->23         started        25 Ldxhpuz.exe 13->25         started        27 powershell.exe 15->27         started        file6 signatures7 process8 dnsIp9 41 api4.ipify.org 64.185.227.156, 443, 49696, 49700 WEBNXUS United States 17->41 43 api.telegram.org 149.154.167.220, 443, 49699, 49701 TELEGRAMRU United Kingdom 17->43 45 api.ipify.org 17->45 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->55 57 Tries to steal Mail credentials (via file / registry access) 17->57 59 Tries to harvest and steal ftp login credentials 17->59 61 Tries to harvest and steal browser information (history, passwords, etc) 17->61 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 27->33         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-19 12:42:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 26 (65.38%)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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/bot5642205413:AAEVTUG9BJlGqe2WGFdx0ocZKR20YKKT3q8/
Unpacked files
SH256 hash:
4286a8f42fee95ed8118364726e1951a444c9a2a499221d0d0638f780a8d831f
MD5 hash:
3a8242307d5f4d68584bb4440129393a
SHA1 hash:
ab99dabe1089b9c3d6c4c90c9cbd025af667d64d
Malware family:
AgentTesla.v3
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:AsyncRat_Detection_Dec_2022
Author:Potatech
Description:AsyncRat
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