MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 544c535c272b1320a6438a23ca4bf519572c82c504623f46fa38c65da978796a. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments

SHA256 hash: 544c535c272b1320a6438a23ca4bf519572c82c504623f46fa38c65da978796a
SHA3-384 hash: f4c4c75454349c99452fdd7aa43dbd4d69e5b53d1da1fde8729eb04e481fdcbbce489ffe0c52aa946a107997bfcf04bd
SHA1 hash: 362100ff0136cf1b6ead7b51c01f3cb10de2a4a7
MD5 hash: 90ac5e2c218c4289ab28c9dff7babc9f
humanhash: cola-carolina-cat-nine
File name:from-isoMTP106522079.EXE1.exe
Download: download sample
Signature AgentTesla
File size:180'736 bytes
First seen:2022-04-19 09:55:33 UTC
Last seen:2022-04-19 10:35:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:BpAepnptDeWRsozinXnnCffffffpkKojhlyFPgGLb+zybOVfZZPQKBewS:jAKnpZwXnmkKotlyF4GP+ObEfZZZ
Threatray 15'996 similar samples on MalwareBazaar
TLSH T1B2045E84DD1C842DCE282AF60813F270CE2A7E897E5C9959DD48BB167933221D67DB37
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b9dc8cccdeded9b8 (12 x AgentTesla, 7 x Formbook, 7 x NanoCore)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://31.210.20.150/wills/inc/a85c706a188235.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://31.210.20.150/wills/inc/a85c706a188235.php https://threatfox.abuse.ch/ioc/521038/

Intelligence


File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 611239 Sample: from-isoMTP106522079.EXE1.exe Startdate: 19/04/2022 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 4 other signatures 2->61 7 from-isoMTP106522079.EXE1.exe 16 7 2->7         started        12 Ltscay.exe 14 4 2->12         started        14 cTlNs.exe 4 2->14         started        16 2 other processes 2->16 process3 dnsIp4 53 3.70.247.229, 49706, 49750, 49758 AMAZON-02US United States 7->53 45 C:\Users\user\AppData\Roaming\...\Ltscay.exe, PE32 7->45 dropped 47 C:\Users\user\...\Ltscay.exe:Zone.Identifier, ASCII 7->47 dropped 49 C:\...\from-isoMTP106522079.EXE1.exe.log, ASCII 7->49 dropped 77 Creates multiple autostart registry keys 7->77 18 InstallUtil.exe 16 4 7->18         started        23 cmd.exe 1 7->23         started        79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 83 Sample uses process hollowing technique 12->83 25 InstallUtil.exe 12->25         started        27 cmd.exe 12->27         started        29 InstallUtil.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        file5 signatures6 process7 dnsIp8 51 31.210.20.150, 49732, 49762, 80 PLUSSERVER-ASN1DE Netherlands 18->51 43 C:\Users\user\AppData\Roaming\...\cTlNs.exe, PE32 18->43 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 75 2 other signatures 18->75 35 conhost.exe 23->35         started        37 timeout.exe 1 23->37         started        69 Tries to harvest and steal ftp login credentials 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->73 39 conhost.exe 27->39         started        41 timeout.exe 27->41         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-19 09:21:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
http://31.210.20.150/wills/inc/a85c706a188235.php
Unpacked files
SH256 hash:
544c535c272b1320a6438a23ca4bf519572c82c504623f46fa38c65da978796a
MD5 hash:
90ac5e2c218c4289ab28c9dff7babc9f
SHA1 hash:
362100ff0136cf1b6ead7b51c01f3cb10de2a4a7
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
Rule name:WhisperGateStage2
Author:Harish Kumar
Description:Yara Rule to Detect WhisperGateStage2

File information


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

Comments