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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc
SHA3-384 hash: 3cead50d53b8bffc263da72d9b9d39f89f0584ac7ba74ae7fd038268fea24d65094e8124fa6778ee53259f4d4da44b2a
SHA1 hash: c39db99e8b820560426fddfc474cc727a977b13b
MD5 hash: f3c387b1d9d5ee0348f0461ec742efb6
humanhash: carbon-low-delaware-sink
File name:849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc
Download: download sample
Signature GuLoader
Create hunting rule
File size:944'632 bytes
First seen:2025-10-10 06:32:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (739 x GuLoader, 453 x Formbook, 295 x Loki)
ssdeep 24576:4NY8SsZF27M6HVu88wby3CGvRqJDVS+0oyQjVYst418t+J+:YYvSVguhC6qJD8+0oyKYsy1K+J+
TLSH T177152358BA60CA97C65202361D779D7635EB1E392D93872FB7943C1EBB71301821E3CA
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon 9848c2933b9ccce8 (4 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Obligat
Issuer:Obligat
Algorithm:sha256WithRSAEncryption
Valid from:2025-09-14T06:38:26Z
Valid to:2026-09-14T06:38:26Z
Serial number: 453e626419e2cf0d671c4fb230c6354a84065a03
Thumbprint Algorithm:SHA256
Thumbprint: 24fc2592670b1cea2b4fe4eb5bc70f4fc98bbcdff8929d88451afb7ce9307779
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ INQUIRY #SEP09152025.lzh
Verdict:
Malicious activity
Analysis date:
2025-09-16 10:25:29 UTC
Tags:
snake
Link:
https://app.any.run/tasks/c446fc2b-1929-4b46-a26f-605e11a59e1d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32062/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e8a93123804d0975b67146
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer microsoft_visual_cc nsis overlay signed
Link:
https://www.filescan.io/uploads/68e8ad1fd95c58c195500c90/reports/b6e0c2e4-9d77-4f8e-b460-a481424743bc/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-15T04:32:00Z UTC
Last seen:
2025-10-11T08:21:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c19561ca-3a19-411a-9ce9-709987f262ff
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 07:22:20 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qsnip6pu55jdmq754dv4kr6frrplxwr2jmo2vshh43qis3l7mhoa._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader adware discovery downloader execution persistence ransomware spyware
Link:
https://tria.ge/reports/251010-hn19xs1n12/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Badlisted process makes network request
Checks computer location settings
Guloader family
Guloader,Cloudeye
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/98e2c7a9-9797-48f8-85b3-d94f6846ba95
Unpacked files
SH256 hash:
849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc
MD5 hash:
f3c387b1d9d5ee0348f0461ec742efb6
SHA1 hash:
c39db99e8b820560426fddfc474cc727a977b13b
Link:
https://www.unpac.me/results/9f28d469-e6fb-4f30-86c9-716324fc676a/
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/849a87f9f4ef523643fde0ebc547c58c5ebbda3a4b1daac8e7e6e0896d7f61dc

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:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
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.

Cape
Cape
https://www.capesandbox.com/analysis/32062/

Comments