MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ad1428fb0f50bf5e044e2d7ac93b7444df64af53394538b349623348c024f5a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 1ad1428fb0f50bf5e044e2d7ac93b7444df64af53394538b349623348c024f5a
SHA3-384 hash: 5f7b9c9e07582734e0df3e14d5fe6bc45a1ec891a329cc72cae43a45a341ce13c49e26b96a7bd993528d40e453a29f61
SHA1 hash: fed3a41c82585ca973f9695399d52bc5fc58b9ab
MD5 hash: 43156564b8b2d8eb90d0efdbbd0645ff
humanhash: rugby-high-lithium-cup
File name:Purchase List.exe
Download: download sample
Signature GuLoader
File size:1'033'632 bytes
First seen:2023-12-04 09:11:27 UTC
Last seen:2023-12-04 10:33:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (386 x GuLoader, 59 x RemcosRAT, 43 x VIPKeylogger)
ssdeep 24576:X2/jObdf42moCUDvg6rkPB3hoHEJZB/OH:Yyi2mFUDvgZhoHEJz2
TLSH T1C225F14DE762ECE8FE665238657159273F419C1E61D828AD318CF6263C3621250AFCFB
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 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-12T03:41:34Z
Valid to:2026-01-11T03:41:34Z
Serial number: 5e29bbd69f56ddf3f07ddf7f3bc243d1e9cec8ac
Thumbprint Algorithm:SHA256
Thumbprint: b78771c3859b5f8ac0473a19092687b36f3efcb7c7152fe1f105fff839cf829a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
298
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control installer lolbin masquerade overlay packed shell32
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Very long command line found
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-28 19:24:23 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 22 (72.73%)
Threat level:
  2/5
Verdict:
unknown
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Guloader,Cloudeye
Unpacked files
SH256 hash:
1ad1428fb0f50bf5e044e2d7ac93b7444df64af53394538b349623348c024f5a
MD5 hash:
43156564b8b2d8eb90d0efdbbd0645ff
SHA1 hash:
fed3a41c82585ca973f9695399d52bc5fc58b9ab
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
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Malspam

GuLoader

Executable exe 1ad1428fb0f50bf5e044e2d7ac93b7444df64af53394538b349623348c024f5a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments