MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6
SHA3-384 hash: 60f0b5efe4cf1751c61bc5e1d03c43c3e4359d7c17caa5f38a4a8ed41576faefdfba632145ff7ffa72caee039d87aa5b
SHA1 hash: 239d70c7593dc99adf20e91ce4bf70588ed18cf4
MD5 hash: 299d264827a63e9c8453dce5f302dc3c
humanhash: artist-winter-apart-early
File name:221017_34678.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:381'664 bytes
First seen:2022-10-18 01:17:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:e1kalo3kqJDvABWGlFqQadgX3iPW2EVR8fiNMLdkE9Nvp4xhkxr:e1oD4BfHqRdayP1Q+wMHzvpUy
Threatray 1 similar samples on MalwareBazaar
TLSH T13484D0C2F781D1D7D8B94270647B8D25B363BC2989B54B2F3A98F22A28771436437D1B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f8d48e8e96f031 (3 x GuLoader)
Reporter GovCERT_CH
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-01-03T00:59:09Z
Valid to:2025-01-02T00:59:09Z
Serial number: -071c491142d0c21c
Thumbprint Algorithm:SHA256
Thumbprint: c1fe4d535e5601ed8784c16f22f66e85705d38056ebc135ad1a77a8a0df6bf6f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
420
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/321167/
Detection(s):
SecuriteInfo.com.TR.Click.Clikug.AA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Searching for the window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634dfecb898b0652a4b88ee6/reports/fc2705ab-9f98-4e80-88f7-be518f4d30d7/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ea272898-9b1a-4e68-96bd-8f9446920f62
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1092359
Signature
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-17 12:16:45 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
17 of 41 (41.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aslbjfpxtg24ffl6rtdgl2q4yvb5e4dejtbdiookobyoavxwllta._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
024490bf99d2b77dc7943a5932bba385948feb7416fc434992593e72bad4782a
GuLoader
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/221018-bnyepsebem/
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Gathering data
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
Link:
https://www.unpac.me/results/aa02e73b-15f2-4089-aad9-664f32794c3e/
SH256 hash:
04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6
MD5 hash:
299d264827a63e9c8453dce5f302dc3c
SHA1 hash:
239d70c7593dc99adf20e91ce4bf70588ed18cf4
Link:
https://www.unpac.me/results/aa02e73b-15f2-4089-aad9-664f32794c3e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6

File information

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

Malspam

GuLoader

Executable exe 04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/321167/

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