MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf82337bab1a66dee7f8267b43745476f735a39047975612a83a5fdab1a0893. 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 1 YARA 3 File information Comments

SHA256 hash: 4cf82337bab1a66dee7f8267b43745476f735a39047975612a83a5fdab1a0893
SHA3-384 hash: 6e6bf0f9e3f4a3a391e12991e85453fef04fba4f5d772c4d61c417e0cceebe2e6d1514b788cdf08f6fdc6154e35120fe
SHA1 hash: 0777370fe31c36b75420cbe8b9e261aa846eee88
MD5 hash: 4ca29dd0fb2b27d6ce30298841c0a85a
humanhash: hydrogen-william-black-tennessee
File name:RE-165010773.exe
Download: download sample
Signature AgentTesla
File size:29'184 bytes
First seen:2022-04-28 11:02:16 UTC
Last seen:2022-04-28 11:32:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:oJPrpSg+sAxNS18OUec9cvhbRX0XaBVatQffffffuq17x7hb6hqWXc:oySqOUevbR0C1x5rWM
Threatray 16'320 similar samples on MalwareBazaar
TLSH T133D2E7163354F3B1D9280B3E1ED5D6B313E2AE12D0A1DF19BBD0B2CA1A33701D556B6A
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 1086888cac888610 (3 x SnakeKeylogger, 1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://85.202.169.159/2tep/inc/de3dd1674b1bec.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://85.202.169.159/2tep/inc/de3dd1674b1bec.php https://threatfox.abuse.ch/ioc/537316/

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
4cf82337bab1a66dee7f8267b43745476f735a39047975612a83a5fdab1a0893.exe
Verdict:
Malicious activity
Analysis date:
2022-04-28 11:05:21 UTC
Tags:
trojan rat agenttesla opendir stealer

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
Running batch commands
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mokes 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.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates multiple autostart registry keys
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
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)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: MS Office Product Spawning Exe in User Dir
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: 617264 Sample: RE-165010773.exe Startdate: 28/04/2022 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 5 other signatures 2->71 7 RE-165010773.exe 16 7 2->7         started        12 excel.exe 2->12         started        14 Uajtotw.exe 14 4 2->14         started        16 2 other processes 2->16 process3 dnsIp4 63 18.183.167.3, 49721, 49724, 49725 AMAZON-02US United States 7->63 55 C:\Users\user\AppData\Roaming\...\Uajtotw.exe, PE32 7->55 dropped 57 C:\Users\user\...\Uajtotw.exe:Zone.Identifier, ASCII 7->57 dropped 59 C:\Users\user\...\RE-165010773.exe.log, ASCII 7->59 dropped 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->81 83 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->83 85 Creates multiple autostart registry keys 7->85 18 RE-165010773.exe 2 5 7->18         started        23 cmd.exe 1 7->23         started        25 cmd.exe 1 7->25         started        87 Multi AV Scanner detection for dropped file 12->87 89 Document exploit detected (process start blacklist hit) 12->89 91 Injects a PE file into a foreign processes 12->91 27 cmd.exe 12->27         started        29 cmd.exe 14->29         started        93 Injects files into Windows application 16->93 31 cmd.exe 16->31         started        file5 signatures6 process7 dnsIp8 61 85.202.169.159, 49723, 49728, 80 GUDAEV-ASRU Netherlands 18->61 51 C:\Users\user\AppData\Roaming\...\excel.exe, PE32 18->51 dropped 53 C:\Users\user\...\excel.exe:Zone.Identifier, ASCII 18->53 dropped 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->73 75 Tries to steal Mail credentials (via file / registry access) 18->75 77 Creates multiple autostart registry keys 18->77 79 3 other signatures 18->79 33 conhost.exe 23->33         started        35 timeout.exe 1 23->35         started        37 conhost.exe 25->37         started        39 timeout.exe 1 25->39         started        41 conhost.exe 27->41         started        43 timeout.exe 27->43         started        45 conhost.exe 29->45         started        47 timeout.exe 29->47         started        49 conhost.exe 31->49         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-28 11:03:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
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
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
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://85.202.169.159/2tep/inc/de3dd1674b1bec.php
Unpacked files
SH256 hash:
4cf82337bab1a66dee7f8267b43745476f735a39047975612a83a5fdab1a0893
MD5 hash:
4ca29dd0fb2b27d6ce30298841c0a85a
SHA1 hash:
0777370fe31c36b75420cbe8b9e261aa846eee88
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: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