MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2. 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: 55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
SHA3-384 hash: 213ba8bb923c98e51c7955c3af6d35121cf6c56b3114724bb3312b2cbdcea8ea267282983a12c3d4696df2cfe1018724
SHA1 hash: 590f5bafa2daf56b03d9e1c2a768ceca1fd9bc86
MD5 hash: eeb0884fd4ad33f809c64b3678c5be3d
humanhash: saturn-indigo-butter-ceiling
File name:Parcel zto-395241214095.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:435'784 bytes
First seen:2025-12-18 12:54:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (557 x GuLoader, 120 x RemcosRAT, 82 x EpsilonStealer)
ssdeep 12288:Ur8qUqT4oJrVFsh5De7ndedXFCF3yct7R:88qrE0VFsh59dXF+ikR
Threatray 2'497 similar samples on MalwareBazaar
TLSH T17A9412016190D187DA7E5770883BE6B9D6BDAC402428235727E07F67BFB1863F88EE41
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 abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Preyful
Issuer:Preyful
Algorithm:sha256WithRSAEncryption
Valid from:2025-12-05T05:46:31Z
Valid to:2026-12-05T05:46:31Z
Serial number: 7321b94663e868881392a8f4bb6ceef633301308
Thumbprint Algorithm:SHA256
Thumbprint: 1635ccd4d133ec2dd7d072a26633ec9ce701087f87a3ebd54a868c5aa7bff394
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1fa77010-4582-4b06-a1f8-59d199f9ba70/
Malware family:
n/a
ID:
1
File name:
Parcel zto-395241214095.exe
Verdict:
Malicious activity
Analysis date:
2025-12-18 12:56:41 UTC
Tags:
evasion snake keylogger telegram stealer
Link:
https://app.any.run/tasks/e51103d9-408b-4ce2-a59d-23d85b851dca

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/45429/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6943f9bb4d2b81828c3b8e99
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis overlay signed similar-threat
Link:
https://www.filescan.io/uploads/6943f9b684afa5547b59ba8d/reports/9f35f3a9-0716-4141-a34b-80191731053f/overview
Verdict:
Malicious
Labled as:
Malware_55.7
Link:
https://www.hybrid-analysis.com/sample/55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-18T09:33:00Z UTC
Last seen:
2025-12-20T11:25:00Z UTC
Hits:
~1000
Detections:
VHO:Trojan-Downloader.Win32.Convagent.gen HEUR:Trojan-Downloader.Win32.Minix.gen Trojan.NSIS.Makoob.sba
Link:
https://opentip.kaspersky.com/55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2/results?tab=lookup
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bdcccecb-2284-4a3a-afac-c5288fd5bbc7
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1835646
Signature
AI detected suspicious PE digital signature
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Unusual module load detection (module proxying)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/eeb0884fd4ad33f809c64b3678c5be3d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-12-18 12:55:22 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwagxxab7ftt3ishwl2ppkmeduvk2rtkwydacb5ghnz2ncuztxra._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
00c04908561ee745953e61d436d6ee640e3b31a6f5a90616181552d82e737adc
GuLoader
0cae65f8aaaa688fefaf835c28ffe775e63e7feee8baa55213dd5663a13794d9
GuLoader
1b47e1e71fed97f4535b666d79e555ddc7603d6671ec3c8cd01776daf7657fad
GuLoader
36e66d557dd0ad8c7dc8f32ea4b8e43b4a19ee4b7603fdab534e42a4319ab3c7
GuLoader
3e2452ce469c3a38c595bf6c7b9f2c962aef7b6398aff2d4398195d28e7a8f3e
GuLoader
55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
GuLoader
60e423834f498f8e896ec2cfc98acdfbdafcaf1624853eb9cde5ca2b076fa54f
GuLoader
6a9e61320fd3b4c459bfea9266a6aa177526ba659d64279d2c3a541180fa317c
GuLoader
73a06f7dec45a77e620fbd3357165fa49733f5abdac2472270de144aded79017
GuLoader
error
GuLoader
+ 2'487 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
Link:
https://tria.ge/reports/251223-pz8ayayrd1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/44054b8d-13d2-4100-bdfc-98dbed202467
Unpacked files
SH256 hash:
55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2
MD5 hash:
eeb0884fd4ad33f809c64b3678c5be3d
SHA1 hash:
590f5bafa2daf56b03d9e1c2a768ceca1fd9bc86
Link:
https://www.unpac.me/results/fb4baacb-73f8-45dd-b4ff-3bafcdfea8c7/
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/fb4baacb-73f8-45dd-b4ff-3bafcdfea8c7/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55806bdc01f9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/55806bdc01f9673da247b2f4f7a9841d2aad466ab6060107a63b73a68a999de2

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.

Cape
Cape
https://www.capesandbox.com/analysis/45429/

Comments