MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c
SHA3-384 hash: fc09dc10503270e3da4a88925c478521778367711115d8208b067127253fb11b7179d2d2a9dd9de2ce81685bca1f3738
SHA1 hash: b5b6ca51a18389e8d0fb624bd0d876041b5cdfa9
MD5 hash: 7440e0323df806c324ebcc97306687db
humanhash: tango-two-october-winner
File name:rShippingDocuments.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:621'208 bytes
First seen:2026-01-27 21:00:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (557 x GuLoader, 119 x RemcosRAT, 82 x EpsilonStealer)
ssdeep 12288:S4nN/ojCzVAuxcKxRhg4j6i+5br0GETP7G16EHrx4Fgr:dNAmAuxY42nr0GcrW+gr
Threatray 2'527 similar samples on MalwareBazaar
TLSH T160D4E10A7134449EF9105B3100F7A21FACA9EDE4BE735A5E0333FD665B729012EC7A69
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
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Ssterligt
Issuer:Ssterligt
Algorithm:sha256WithRSAEncryption
Valid from:2025-12-04T05:44:30Z
Valid to:2026-12-04T05:44:30Z
Serial number: 77bdc88dfbd07f8835390a57174bdab33be4c782
Thumbprint Algorithm:SHA256
Thumbprint: 67ef050f576d312e9f0f32add8f2308af6c623618fdb37195bce4c06ded85480
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c65e638f-24df-4231-936e-ec550dd2b7fc/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
rShippingDocuments.exe
Verdict:
Malicious activity
Analysis date:
2026-01-27 21:00:47 UTC
Tags:
remcos rat auto-reg
Link:
https://app.any.run/tasks/ac617911-a994-4ac3-ae76-de5655ab7335

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/50443/
Detection(s):
Porcupine.NSIS.Injector.ELK.487964.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697927906fa3eed1652fa182
Tags:
injection obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole CAB installer installer installer-heuristic masquerade microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/6979278512c4ad8c08580b1a/reports/565dd457-e350-4617-828e-cfe02993e35c/overview
Verdict:
Malicious
Labled as:
Agent.KXP.gen
Link:
https://www.hybrid-analysis.com/sample/d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-27T17:07:00Z UTC
Last seen:
2026-01-29T13:47:00Z UTC
Hits:
~10000
Detections:
HEUR:Backdoor.Win32.Remcos.gen BSS:Trojan.Win32.Generic.nblk BSS:Trojan.Win32.Generic Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb HEUR:Trojan-Dropper.Win32.Agentb.gen VHO:Backdoor.Win32.Remcos.gen
Link:
https://opentip.kaspersky.com/d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5cdbb50f-3f00-4116-8407-463f0d5239df
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-27 21:01:11 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3d3nvvsmpc4xm7mmeacmaw6omtjq3djgqj3n772k3k2fpapg7yoa._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
00c04908561ee745953e61d436d6ee640e3b31a6f5a90616181552d82e737adc
GuLoader
0fa3b5d542e555a456a1377ad125bce99f86500d5499b708bf24eab0d8767102
GuLoader
2e8d23b7f77e7578af862bfb3a5ad652fe19cd2be13da309a65e0402ebdbd7fd
GuLoader
55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
GuLoader
73a06f7dec45a77e620fbd3357165fa49733f5abdac2472270de144aded79017
GuLoader
bae2b47193c08a9f98f390845d8a2d25040bc2b2cee6c36f10cfff5d245b24ea
GuLoader
bfae3fe9b5fa79f729d2eeeaf21bb0d8d5b1080c3cc08c8d36a4d90f27a26064
GuLoader
d50b6ca1f0cc15dcf390ee25b7751ff59bffd6b69c77408e0827e07226d7aa86
GuLoader
error
GuLoader
fa83fdb373d067023293567d76ee94ce0a4b592e6193c58025b7725dda06fc60
GuLoader
+ 2'517 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery persistence rat
Link:
https://tria.ge/reports/260127-ztweasdx2h/
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
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
198.23.177.222:2404
198.23.177.222:5000
Unpacked files
SH256 hash:
d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c
MD5 hash:
7440e0323df806c324ebcc97306687db
SHA1 hash:
b5b6ca51a18389e8d0fb624bd0d876041b5cdfa9
Link:
https://www.unpac.me/results/222a0f00-50f3-48b2-9334-b7fdb26c842f/
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/222a0f00-50f3-48b2-9334-b7fdb26c842f/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d8f6dad64c78/report/overview.html
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/d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c

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

File information

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

Malspam

GuLoader

Executable exe d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/50443/

Comments