MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad
SHA3-384 hash: 845b56157225129332024eb10b094a5cc7822277998a1af229e53c49bf0fb66e53c41da0c2ae2d2060a5d1e196653748
SHA1 hash: ee1e2cda9e153bc9514d0bf21d2ef9961746ec4b
MD5 hash: 9c263035ff69f93a7342b243011bbfea
humanhash: ink-one-arkansas-lactose
File name:adobe_reader.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:919'928 bytes
First seen:2025-10-09 15:31:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (24 x GuLoader, 13 x VIPKeylogger, 9 x XWorm)
ssdeep 24576:s+H73IahkZBTRAAMJOmuuNYoO16V1ZMb:zbYuknRb0SoO1mc
TLSH T1101523866B7CC29BF876BC748B336621E1B2F55040B4395F53A01F7E9BB1B80DA0B116
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 Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Stemmevrks
Issuer:Stemmevrks
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-02T00:50:40Z
Valid to:2026-10-02T00:50:40Z
Serial number: 42085aabd48f522980bc68645b08f9749f1196bf
Thumbprint Algorithm:SHA256
Thumbprint: 1dcba061644d55dffd6c63526e40d1e6aad63a88aca48d7efaa9d3279cfd37c7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
US US
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
adobe_reader.exe
Verdict:
Malicious activity
Analysis date:
2025-10-08 07:03:41 UTC
Tags:
guloader remcos rat remote evasion stealer
Link:
https://app.any.run/tasks/18351fd9-ac3e-4904-b6a9-c9295a410e00

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/31923/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7d5c98b7b147cc4b6367e
Tags:
injection obfusc virus nsis
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Searching for the window
Creating a file in the %AppData% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay signed
Link:
https://www.filescan.io/uploads/68e7f5f63ec725b8760a8c67/reports/54a6229b-b78d-466f-a5e3-047eaac08e25/overview
Verdict:
Malicious
Labled as:
Malware_52.7
Link:
https://www.hybrid-analysis.com/sample/1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-07T23:08:00Z UTC
Last seen:
2025-10-08T01:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad/results?tab=lookup
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b732c4ef-3571-4a3a-a390-90a16296bd07
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-10-08 01:57:42 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos adware defense_evasion discovery downloader execution persistence ransomware rat spyware trojan
Link:
https://tria.ge/reports/251009-wdd9assnz5/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
bv0n1d6w.duckdns.org:39402
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4e946e86-e8e4-4aac-950c-801219f7a68f
Unpacked files
SH256 hash:
1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad
MD5 hash:
9c263035ff69f93a7342b243011bbfea
SHA1 hash:
ee1e2cda9e153bc9514d0bf21d2ef9961746ec4b
Link:
https://www.unpac.me/results/4f74b8d0-4fcb-4ec6-94d8-0f3fe7ef34f4/
SH256 hash:
986db3fc7426d1475b2048be9554fc6f4e4114050b3a43e1e980b5daeb6ec005
MD5 hash:
d9407a70b1727c420820cffbdc6e6082
SHA1 hash:
ba8ce5aef380edc29780ca2226193df26e6bfac4
Link:
https://www.unpac.me/results/4f74b8d0-4fcb-4ec6-94d8-0f3fe7ef34f4/
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
Link:
https://www.unpac.me/results/4f74b8d0-4fcb-4ec6-94d8-0f3fe7ef34f4/
SH256 hash:
b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 hash:
8f0e7415f33843431df308bb8e06af81
SHA1 hash:
1314272e6ad3be1985d4a1607b890a34b0bde8b5
Link:
https://www.unpac.me/results/4f74b8d0-4fcb-4ec6-94d8-0f3fe7ef34f4/
SH256 hash:
b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
MD5 hash:
8fe362ffdfa66269b8a64e3a87f68e52
SHA1 hash:
b5daaa60a6b8591a670da9fc3a2d6f896d55f568
Link:
https://www.unpac.me/results/4f74b8d0-4fcb-4ec6-94d8-0f3fe7ef34f4/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ebfe856e8ae/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/1ebfe856e8ae1d2162ce19814c8c7b2b06d572e1e3a12328ad7ba1cbed9f17ad

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/31923/

Comments