MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
SHA3-384 hash: e32600359f48bd8e266e326d7c3ced954907c2475ec42bf6fd1df30bc796b3627354d020b49b82dab7aaf970c266962c
SHA1 hash: 378782790a64a4638d39b6a409a710e0136b9843
MD5 hash: 2265bdc3ff50c9f389d8ed6dede52668
humanhash: uranus-arkansas-vermont-twelve
File name:z6RemittanceAdvise.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:527'656 bytes
First seen:2024-02-22 13:03:30 UTC
Last seen:2024-02-22 14:02:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 12288:pg0DLow+JVvxLMusxBYfL9NnydAXwSPzrI2YQlW:7DLZ4dxMnOBX1z6QlW
TLSH T187B423852344D9A7C4A30BB14C288FFB9756DC607959A24317493AAFFA39B530D2F3C9
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 08441970f8590ec9 (1 x RemcosRAT, 1 x GuLoader)
Reporter FXOLabs
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
3
# of downloads :
383
Origin country :
BR BR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477418/
Detection(s):
SecuriteInfo.com.Trojan.NSIS.Injector.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the Windows subdirectories
Creating a file
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/65d7464980fd44e025523b88/reports/929b8ffd-ac27-482e-a682-d0b24feb3a94/overview
Verdict:
Malicious
Labled as:
Trojan.GenericFCA.Agent
Link:
https://www.hybrid-analysis.com/sample/f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
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:
Malicious
Link:
https://analyze.intezer.com/analyses/1348b2ab-7027-4fe2-b780-5397a09a17af
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1396946
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Multi AV Scanner detection for submitted file
Sigma detected: Potential PowerShell Command Line Obfuscation
Submitted sample is a known malware sample
Suspicious powershell command line found
Very long command line found
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-02-21 12:32:20 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7fnc5ylo4onzf2pduxehmbicd7yj2npm67votlfpn2syyog63a2a._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/240222-qaxzcahg2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2c88e4a32c734b0cb4ae507c1a9a1b417a2375079111fb1b35fab23aedd41d9
MD5 hash:
b38561661a7164e3bbb04edc3718fe89
SHA1 hash:
f13c873c8db121ba21244b1e9a457204360d543f
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/dcd2814f-3f8c-46af-9154-5c4f0458079e/
Parent samples :
99aa0a112de10ceb2072e32e189befed18db5ce294787bf9b2dbe0ef643ba62c
b9fdbe8b2868d78c2fbe632a82d102bf5b334b256d21565e3173ba8ebe169ba5
b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
87ad183c319765afb8556ac2ed508d2687c85b43b0848d251b87edbf0279fb97
27d75cacb0ec5845bd163635926ca0ecef4ea1bb92032df9e81e64b6e406e5a2
f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
e1c36731adad52dc563b7b172b6a4222f5449f134707e915714b7bb13392afd9
e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1
dda95c5fac8c1882520a76aeb8dc397346e3f38bc6cb11aee7d96feea0d3a086
0ffb9d8b5cc25cd280763fe84065f5f149b17eb5d9e19dd59ba6c324d292572b
907d76317c31e9ca799beeef08144d12f5005fcb4acf17848f9f467e098648d9
98598c90bd75b930aba968467f4b540a5784aa28612b8010d8a9cf31992843c6
SH256 hash:
bf0cf3990c6c23dd91ec21071c31537f36355b6d6900358e1536b9a377427619
MD5 hash:
26fc881f84b7f9081cf6b58ab8f9ec08
SHA1 hash:
c4424b9a716392228d55f7d067592d77e9d1b5d2
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/dcd2814f-3f8c-46af-9154-5c4f0458079e/
Parent samples :
99aa0a112de10ceb2072e32e189befed18db5ce294787bf9b2dbe0ef643ba62c
b9fdbe8b2868d78c2fbe632a82d102bf5b334b256d21565e3173ba8ebe169ba5
b07907ce3ee14b8128039ecb8e635976fc216c77035d5bf38f42ed900197c879
87ad183c319765afb8556ac2ed508d2687c85b43b0848d251b87edbf0279fb97
27d75cacb0ec5845bd163635926ca0ecef4ea1bb92032df9e81e64b6e406e5a2
f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
e1c36731adad52dc563b7b172b6a4222f5449f134707e915714b7bb13392afd9
e9934abfdede625607cf46cbf7afe5dcab892e94117ab3bf827dafcf6be5eef1
dfae751806a1becfa849574b7b2a243f902550f1f72458bed5bc03779fea2f0b
d8d23e874918f7f77e8ac832e69adef1bda5244e403364a6ad5cb18e8ecbcb5e
dda95c5fac8c1882520a76aeb8dc397346e3f38bc6cb11aee7d96feea0d3a086
0ffb9d8b5cc25cd280763fe84065f5f149b17eb5d9e19dd59ba6c324d292572b
SH256 hash:
f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834
MD5 hash:
2265bdc3ff50c9f389d8ed6dede52668
SHA1 hash:
378782790a64a4638d39b6a409a710e0136b9843
Link:
https://www.unpac.me/results/dcd2814f-3f8c-46af-9154-5c4f0458079e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f95a2ee16ee3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information

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

Malspam

GuLoader

Executable exe f95a2ee16ee39b92e9e3a5c87605021ff09d35ecf7eae9acaf6ea58c38ded834

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477418/

Comments