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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2
SHA3-384 hash: 3e4bb6154479953ed25ba6d1aad972cbd78dfc286da5994eea528648e8fb4feb7b9dd24766b232b3c2048c78bf375dca
SHA1 hash: 0e613da5121e2a922aaa589889d12a448551bdcf
MD5 hash: 059c051c07b29cef3948440b925d8f4d
humanhash: thirteen-may-solar-london
File name:purchase drawing.bat
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'123'674 bytes
First seen:2026-03-25 08:53:51 UTC
Last seen:2026-03-25 09:52:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7eae418c7423834ffc3d79b4300bd6fb (66 x GuLoader, 23 x RemcosRAT, 21 x AgentTesla)
ssdeep 24576:XkJ0TuW8xxkzv17cYWGnonI2dpNYWU1XT5pI9ijuTzrvnwlZgVrf:Xk2Fqkx1WGonRpNYv1Nfe/vnSZgVD
Threatray 2'606 similar samples on MalwareBazaar
TLSH T1C53512A6E39C848BF92142704477DD3356A3BD3D59620A2E33DE752ABDB2393016B50F
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon f0c8d4b6cccccccd (2 x RemcosRAT, 2 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fe64238b-403b-4716-839f-a8d8b90d3489/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
purchase drawing.bat
Verdict:
Malicious activity
Analysis date:
2026-03-25 08:54:56 UTC
Tags:
remcos rat remote stealer
Link:
https://app.any.run/tasks/dee8fea8-19c0-4662-a649-4f5af3d092d8

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/59201/
Detection(s):
SecuriteInfo.com.FileRepMalware.67583466.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c3a2bc390b996474138fba
Tags:
injection obfusc
Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Creating a file in the %temp% directory
Delayed reading of the file
Creating a file
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole fingerprint installer installer installer-heuristic masquerade microsoft_visual_cc nsis soft-404
Link:
https://www.filescan.io/uploads/69c3a2b7256cd88a6aafe551/reports/8f48f173-f8e4-4cee-8593-50872f7082ec/overview
Verdict:
Malicious
Labled as:
GenericFCA.Agent.Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2
Verdict:
Malicious
File Type:
exe x32
Detections:
HEUR:Trojan.Win32.Makoob.gen
Link:
https://opentip.kaspersky.com/6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b3c8e1af-42af-4e26-9760-50c9e2c92de6
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1888757
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1888757 Sample: purchase drawing.bat.exe Startdate: 25/03/2026 Architecture: WINDOWS Score: 100 37 euremupdate.duckdns.org 2->37 39 jieqaingdaolu.com 2->39 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for dropped file 2->59 63 12 other signatures 2->63 8 purchase drawing.bat.exe 2 67 2->8         started        signatures3 61 Uses dynamic DNS services 37->61 process4 file5 27 C:\Users\user\AppData\Local\...\System.dll, PE32 8->27 dropped 29 C:\Users\user\AppData\Roaming\Buk\Primas, data 8->29 dropped 11 purchase drawing.bat.exe 4 15 8->11         started        16 purchase drawing.bat.exe 8->16         started        process6 dnsIp7 41 euremupdate.duckdns.org 142.171.178.168, 2404, 49724, 49726 MTS-ASNCA Canada 11->41 43 jieqaingdaolu.com 206.168.149.18, 443, 49723 CENTURYLINK-US-LEGACY-QWESTUS United States 11->43 31 C:\Users\user\AppData\Local\Temp\THBE7B.tmp, MS-DOS 11->31 dropped 33 C:\Users\user\AppData\Local\Temp\THBE2C.tmp, MS-DOS 11->33 dropped 35 C:\Users\user\AppData\Local\Temp\THBDFC.tmp, MS-DOS 11->35 dropped 65 Detected Remcos RAT 11->65 67 Writes to foreign memory regions 11->67 69 Maps a DLL or memory area into another process 11->69 18 userinit.exe 2 11->18         started        21 userinit.exe 1 11->21         started        23 userinit.exe 1 11->23         started        25 purchase drawing.bat.exe 11->25         started        file8 signatures9 process10 signatures11 45 Tries to steal Mail credentials (via file registry) 18->45 47 Tries to harvest and steal browser information (history, passwords, etc) 18->47 49 Unusual module load detection (module proxying) 18->49 51 Tries to steal Instant Messenger accounts or passwords 21->51 53 Tries to steal Mail credentials (via file / registry access) 21->53
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2
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/059c051c07b29cef3948440b925d8f4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-03-25 08:54:21 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=numbmacwrzhsudgsk4sldbrrfr5o5zr3rhhikro2iykkehr3whba._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
525ac0be035eb5b99e8de21ae809abcea86590bd9f122dbf6454274134708f81
GuLoader
73a06f7dec45a77e620fbd3357165fa49733f5abdac2472270de144aded79017
GuLoader
84972e3d631e88d1d7b07d4607f7254fe3a241e661ba36f05076d89fba259fb9
GuLoader
912219e3933db2e01a3d6d0f98a1bc00fa5073c715a84fe17e06ba6fa9d8ad2b
GuLoader
9397d4f47a1bef3d2720ff562c737c128521397827accf917fccd987e4d03948
GuLoader
error
GuLoader
fa61c2fc0ebca57c196cb2eb3e0bb93e763ca8930be00b8b7f4ffee34ec30453
GuLoader
+ 2'596 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection defense_evasion discovery downloader rat trojan
Link:
https://tria.ge/reports/260325-kt1axscw4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Loads dropped DLL
Detected Nirsoft tools
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
euremupdate.duckdns.org:2404
Unpacked files
SH256 hash:
6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2
MD5 hash:
059c051c07b29cef3948440b925d8f4d
SHA1 hash:
0e613da5121e2a922aaa589889d12a448551bdcf
Link:
https://www.unpac.me/results/1c491ff2-cce3-4408-b87b-b3186d0dc0fb/
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
Link:
https://www.unpac.me/results/1c491ff2-cce3-4408-b87b-b3186d0dc0fb/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6d181600568e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2

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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

GuLoader

Executable exe 6d181600568e4f2a0cd25724b186312c7aeee63b89ce8545da4614a21e3bb1c2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/59201/

Comments