MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1
SHA3-384 hash: c74398d3fb4d37a809f160a04ea5bc4df5c68cdaf06b6e88040a45d5cc2082cad197a90be3a2a0811351c27ab4340c7b
SHA1 hash: 118bbf6a6dfd8efa96751dd9530eae1e5e41d8b5
MD5 hash: c82f64f48964f0ec27e6cd9fe4b4bd8a
humanhash: single-alanine-salami-uncle
File name:P081000383.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:575'624 bytes
First seen:2024-02-08 06:31:12 UTC
Last seen:2024-02-08 08:32:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla)
ssdeep 12288:rmMYj0BCbJFWWsVK8eEkTND+4JmVi81nLxWknixRTo:rmMYj0BCbJgRVK8elphCi81LxWA
TLSH T12AC4236D27F4C897CBA1B4F2C77E1AF2D3EF5C52315296072B6083CEBA02254EB56406
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Enfonce
Issuer:Enfonce
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-19T07:47:14Z
Valid to:2026-03-18T07:47:14Z
Serial number: 76249e70e55a1d7a650de5592d0a6bf9ff02b54a
Thumbprint Algorithm:SHA256
Thumbprint: ab01fa9c98cd15c9da8a181e0dca1fedacb018840c6b18209a6fcf9108c69af2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/475284/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.11499.23642.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65c47564127ab8eb4101ddff/reports/c3a04cea-37b0-4d32-b80b-adac889f90e4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1
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/7e4c66df-9556-4f93-851f-2f00a4505225
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388825
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic
Suspicious powershell command line found
Very long command line found
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-12-16 07:12:46 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76ux6dib5lcm3zh4wdmutnetdwpxjxi4dr7xla43kmvewpcs4paq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240208-hal8vaeedj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1
MD5 hash:
c82f64f48964f0ec27e6cd9fe4b4bd8a
SHA1 hash:
118bbf6a6dfd8efa96751dd9530eae1e5e41d8b5
Link:
https://www.unpac.me/results/d12138b4-0e9a-48dd-abb0-ff0d26284aa0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1

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
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

GuLoader

Executable exe ffa97f0d01eac4cde4fcb0d949b4931d9f74dd1c1c7f75839b532a4b3c52e3c1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/475284/

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