MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 621abf320f40c9a1adc4cd80d2de9180781c7999434c0ab8264a2c6eda395764. 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 5 File information Comments

SHA256 hash: 621abf320f40c9a1adc4cd80d2de9180781c7999434c0ab8264a2c6eda395764
SHA3-384 hash: 78cc294dbd71bad57e687f8a72a116dbb398a40548d0a424f12fb62a21622ef381346b63513ae43fc3aaed02dd0ab01d
SHA1 hash: 806cc3938e34acc1ca812820d1510a988001d81e
MD5 hash: 25ba7c33e44a2d6ef7c4872dbe0c1566
humanhash: spring-echo-echo-zebra
File name:VEL-P01225013B.exe
Download: download sample
Signature AgentTesla
File size:1'078'784 bytes
First seen:2022-04-11 16:53:55 UTC
Last seen:2022-04-11 17:44:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 24576:foydXwO0vfeMdVe8mG8F7fLvww9SUtOoJDqWICjZNg:fXdXwOYfe8V/8FbLvdSu5jZNg
TLSH T16735F1616F52568FD2F8563044A3E9B132F272795237F38D78848E19BFE12C5C6053EA
File icon (PE):PE icon
dhash icon 70ccb26969b2cc71 (35 x AgentTesla, 13 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VEL-P01225013B.exe
Verdict:
Suspicious activity
Analysis date:
2022-04-12 00:44:29 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
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Launching a process
Creating a file
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
obfuscated 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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 607256 Sample: VEL-P01225013B.exe Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 24 Found malware configuration 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 8 other signatures 2->30 7 VEL-P01225013B.exe 3 2->7         started        process3 file4 20 C:\Users\user\...\VEL-P01225013B.exe.log, ASCII 7->20 dropped 32 Writes to foreign memory regions 7->32 34 Allocates memory in foreign processes 7->34 36 Injects a PE file into a foreign processes 7->36 11 RegSvcs.exe 2 7->11         started        13 RegSvcs.exe 7->13         started        15 RegSvcs.exe 7->15         started        signatures5 process6 process7 17 dw20.exe 22 6 11->17         started        dnsIp8 22 192.168.2.1 unknown unknown 17->22
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-11 15:19:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
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 keylogger spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5167639867:AAFp5rpwhccJwSR0NNRceLhFKcs218dT21U/sendDocument
Unpacked files
SH256 hash:
c7ad29c165320127dd2ac2c96070367c28112447e1f1dfda1d313effba52a092
MD5 hash:
af1ad4f6dd2e83bfe29433f9bbfee9ec
SHA1 hash:
be214fec561dda3b946fe3ce320279ba1887d960
SH256 hash:
9c5115c38b85903d288eedb90d99abe3fbc5a939504ee61ac48938c3c3daa2b4
MD5 hash:
5d63d26f4b0a05583f7f991e955d6d66
SHA1 hash:
4a3b68caed0965d634bcd007047ef721d9258230
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
621abf320f40c9a1adc4cd80d2de9180781c7999434c0ab8264a2c6eda395764
MD5 hash:
25ba7c33e44a2d6ef7c4872dbe0c1566
SHA1 hash:
806cc3938e34acc1ca812820d1510a988001d81e
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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 621abf320f40c9a1adc4cd80d2de9180781c7999434c0ab8264a2c6eda395764

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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