MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7c39e6fdeb262427123554fcc8dc1705123d782f72be64d4551dbf14be7b17c. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: a7c39e6fdeb262427123554fcc8dc1705123d782f72be64d4551dbf14be7b17c
SHA3-384 hash: f7b28d73c9eedd4a7177d54f81f45b375696e5788e839b9e9d38ff4e79f632e1d0525fb5f3897d73961b02af4e84e84e
SHA1 hash: cab2c20401672a1a27eb8214796704f04fb6f013
MD5 hash: 37e84b2fbeb65780ab31780f18a99ed1
humanhash: tango-red-friend-hotel
File name:G4C=G8G2.exe
Download: download sample
Signature AgentTesla
File size:583'680 bytes
First seen:2022-09-04 11:14:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:bS3HXWvY+Vxf71I1W6cYal9v4QjFMsZNSs86P:u33WTVxK1W6cV7JjFMsZN26P
Threatray 18'753 similar samples on MalwareBazaar
TLSH T1A1C4D0CA33D06A62C27D77B4B15821B293F281DB5C21D78B48C882DD7B723C5EE95867
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)
Reporter 0xToxin
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
410
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
G4C=G8G2.exe
Verdict:
Malicious activity
Analysis date:
2022-09-04 11:16:05 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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Creating a file
Launching a process
Moving of the original file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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, DarkTortilla
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 697250 Sample: G4C=G8G2.exe Startdate: 04/09/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected DarkTortilla Crypter 2->43 45 4 other signatures 2->45 7 G4C=G8G2.exe 15 4 2->7         started        12 Word.exe 4 2->12         started        process3 dnsIp4 35 www.google.com 142.250.203.100, 443, 49719, 49727 GOOGLEUS United States 7->35 27 C:\Users\user\AppData\...behaviorgraph4C=G8G2.exe.log, ASCII 7->27 dropped 55 Moves itself to temp directory 7->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->57 14 buyinn.exe 14 3 7->14         started        18 conhost.exe 12->18         started        file5 signatures6 process7 dnsIp8 37 www.google.com 14->37 59 Writes to foreign memory regions 14->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->61 63 Injects a PE file into a foreign processes 14->63 20 InstallUtil.exe 2 4 14->20         started        signatures9 process10 dnsIp11 29 multimetals.cfd 192.185.37.183, 49764, 587 UNIFIEDLAYER-AS-1US United States 20->29 31 192.168.2.1 unknown unknown 20->31 33 windowsupdatebg.s.llnwi.net 20->33 25 C:\Users\user\AppData\Roaming\Word\Word.exe, PE32 20->25 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->49 51 Tries to steal Mail credentials (via file / registry access) 20->51 53 4 other signatures 20->53 file12 signatures13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-04 07:56:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
AgentTesla
Unpacked files
SH256 hash:
a7c39e6fdeb262427123554fcc8dc1705123d782f72be64d4551dbf14be7b17c
MD5 hash:
37e84b2fbeb65780ab31780f18a99ed1
SHA1 hash:
cab2c20401672a1a27eb8214796704f04fb6f013
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 a7c39e6fdeb262427123554fcc8dc1705123d782f72be64d4551dbf14be7b17c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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