MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4cc72594a2b6c9d6de1c6b7e67353c98f208a0fe495b5922105728b04ecdbe9. 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



GuLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: e4cc72594a2b6c9d6de1c6b7e67353c98f208a0fe495b5922105728b04ecdbe9
SHA3-384 hash: 60494384778254b1078be9de1d0c1ef3b57f98226f1ea099a2b1c3c9aa17fd53d0a459fc10e97095173e77be20a851d6
SHA1 hash: ea4f3a883175f0426fb4c94cf9b9bc85195962b0
MD5 hash: 4d3931646e21dd0d2471cb381a93e971
humanhash: moon-west-london-april
File name:Order OP-04450 pdf.exe
Download: download sample
Signature GuLoader
File size:315'464 bytes
First seen:2023-05-30 12:39:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla)
ssdeep 6144:YhgqhwXoAOKnyfzpYHmotX7oo9i+xH3YgCBFqm8AkoPjUFmSdYST1Wp4T:7qaMpkXUMigXL6KboPjfSe9E
Threatray 230 similar samples on MalwareBazaar
TLSH T12D64122036A5E1F7EDB0DB728E37A2B19D30D0757AD1461B738053992A717807B3F29A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e1e8e4ecccdcf470 (2 x GuLoader)
Reporter malwarelabnet
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-23T06:47:59Z
Valid to:2026-05-22T06:47:59Z
Serial number: 2bfa3d4de81b542b13c123dfa87083aff5f9b02f
Thumbprint Algorithm:SHA256
Thumbprint: dfc9cbcffd745fdd14849c7732600e949def9f0057b6a4eb9311f8847cd4a16f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
Order OP-04450 pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 12:40:58 UTC
Tags:
guloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Result
Verdict:
MALICIOUS
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:
GuLoader, Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found malware configuration
Initial sample is a PE file and has a suspicious name
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Tries to detect Any.run
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)
Very long command line found
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2023-05-30 09:30:35 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Checks computer location settings
Unpacked files
SH256 hash:
e4cc72594a2b6c9d6de1c6b7e67353c98f208a0fe495b5922105728b04ecdbe9
MD5 hash:
4d3931646e21dd0d2471cb381a93e971
SHA1 hash:
ea4f3a883175f0426fb4c94cf9b9bc85195962b0
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_Digital_Certificate
Author:albertzsigovits

File information


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

Comments