MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c38f11bd2a09edb1a0deebe122f51d632d3bed70242e2fb5dca1de10743e45a. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 3c38f11bd2a09edb1a0deebe122f51d632d3bed70242e2fb5dca1de10743e45a
SHA3-384 hash: cb10da6c2a06641f54fc9d842bce16dacdb753291639bfdd30ee853765d5a183d20ef43f2709fa15479ed29024e43dd8
SHA1 hash: 192eed11825321b80944d91e8b51e38fc632e554
MD5 hash: 7c2780f44e3de7bf2a0515495a053f0d
humanhash: tango-yellow-speaker-monkey
File name:Purchase Orders - Foreign_0000000000000058876.pdf.exe
Download: download sample
Signature AgentTesla
File size:695'704 bytes
First seen:2021-03-03 07:39:53 UTC
Last seen:2021-03-03 09:38:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ns10ynJlxRkV7zfI2vrqj6OTk74q90b1/G1n:ns1RJlxRktTTqxkOb1in
TLSH B6E4BF25B7543BE6F34E8F76C0479618C2E880173273F28F5DE45AD64A15B06AB2F0DA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: slot0.muemack.com
Sending IP: 194.31.96.90
From: HARTON Anlagentechnik GmbH <postmaster@muemack.com>
Subject: Fw: AW: Purchase Orders - Foreign_000000000058876
Attachment: Purchase Orders - Foreign_0000000000000058876.pdf.zip (contains "Purchase Orders - Foreign_0000000000000058876.pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Orders - Foreign_0000000000000058876.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-03 07:50:37 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
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a window
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Creates autostart registry keys with suspicious names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 361811 Sample: Purchase Orders - Foreign_0... Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 7 Purchase Orders - Foreign_0000000000000058876.pdf.exe 15 6 2->7         started        11 abb.exe 2 2->11         started        13 abb.exe 14 3 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\abb.exe, PE32 7->27 dropped 29 C:\Users\user\...\abb.exe:Zone.Identifier, ASCII 7->29 dropped 31 Purchase Orders - ...0058876.pdf.exe.log, ASCII 7->31 dropped 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->45 15 cmd.exe 1 7->15         started        17 abb.exe 2 7->17         started        47 Injects a PE file into a foreign processes 11->47 20 abb.exe 11->20         started        signatures5 process6 dnsIp7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        33 192.168.2.1 unknown unknown 17->33 process8 signatures9 43 Creates autostart registry keys with suspicious names 22->43
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-03 03:42:46 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
3c38f11bd2a09edb1a0deebe122f51d632d3bed70242e2fb5dca1de10743e45a
MD5 hash:
7c2780f44e3de7bf2a0515495a053f0d
SHA1 hash:
192eed11825321b80944d91e8b51e38fc632e554
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe 3c38f11bd2a09edb1a0deebe122f51d632d3bed70242e2fb5dca1de10743e45a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments