MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21fac12f018b7932927310c7f3c44f1b56dd40a2abf0ca18902dfbdf7e169345. 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 2 File information Comments

SHA256 hash: 21fac12f018b7932927310c7f3c44f1b56dd40a2abf0ca18902dfbdf7e169345
SHA3-384 hash: 3c522d50120f6da12fbdb4d24a6b4d52188dee48a30c78839c421559353d44d420a4d6e75c02bf76a08333a449f2d822
SHA1 hash: aa7552796ffeacf85bc706a0aeecc0ffad8c7d00
MD5 hash: cb5c50951c2682d40d46c7e53f2439e4
humanhash: white-golf-timing-coffee
File name:Sales Order.exe
Download: download sample
Signature AgentTesla
File size:479'744 bytes
First seen:2022-08-12 16:39:43 UTC
Last seen:2022-08-16 16:18:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Tx6Qyx8LoRxDqueJvld90lP2ODDSSKCIY7VQYDe4vlXY:EQHlu60jDe3CIY7V8+XY
TLSH T180A4DF1034A6F028E2797AB54DDB75F106BAFE314C0EBA3710943E453722987AB5E7B1
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
393
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Sales Order.exe
Verdict:
Malicious activity
Analysis date:
2022-08-12 16:40:41 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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Setting a keyboard event handler
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm 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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
Contains functionality to register a low level keyboard hook
Initial sample is a PE file and has a suspicious name
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 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 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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-12 16:40:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 25 (84.00%)
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 user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5400730219:AAF6yJi-sq4as7PeSLNrtiGC96YCaGma0y8/sendDocument
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
c979eed7f383fd6d875a8596da7c470b223a6014df6bbc6cf9895c8dd2476f1c
MD5 hash:
b1ed9d78df4672197c82bc635d3500df
SHA1 hash:
ec7375890494355011bc1917a3f3bffe02f71c35
SH256 hash:
7bc141b2e517737a8ada4b00fa60ca593c9f699d52d0238fd8abe0acb2b95ea4
MD5 hash:
273034838d07e2c19d74764ec8e3a3d1
SHA1 hash:
88bdac672b3fc746bfa9dba24d47b8c7dd8cb9c2
SH256 hash:
21fac12f018b7932927310c7f3c44f1b56dd40a2abf0ca18902dfbdf7e169345
MD5 hash:
cb5c50951c2682d40d46c7e53f2439e4
SHA1 hash:
aa7552796ffeacf85bc706a0aeecc0ffad8c7d00
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: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 21fac12f018b7932927310c7f3c44f1b56dd40a2abf0ca18902dfbdf7e169345

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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