🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108. 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: f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108
SHA3-384 hash: 5bf5db1119ee6456c74afd7e7956797a45034bf1b8528aa11f7692c4dd91f8fa9773bca6f4c4545966c5e555963baea5
SHA1 hash: 90da5fd7c76ea6f24f4a16a17f40e69a84eeeba8
MD5 hash: be220a2e70cc7f1d250ca1afb6d2273c
humanhash: ceiling-oklahoma-lake-glucose
File name:purchase drawing.bat
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'123'674 bytes
First seen:2026-03-25 13:06:02 UTC
Last seen:2026-03-25 13:38:33 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/vnSZgVz
Threatray 2'456 similar samples on MalwareBazaar
TLSH T1EC3512A6E39C848BF92142704477DD3356A3BD3D59620A2E33DE752ABDB2393012B50F
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 :
171
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/eb205e3a-7949-4d28-af62-64a2ef2f01d1/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108.exe
Verdict:
Malicious activity
Analysis date:
2026-03-25 13:07:43 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/a852b12b-70e1-4c33-809e-2cfc0ca66d9b

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/59240/
Detection(s):
SecuriteInfo.com.FileRepMalware.94388467.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c3ddd3390b99647413a23b
Tags:
injection
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Connection attempt
Creating a file in the %temp% directory
Delayed reading of the file
Creating a file
Unauthorized injection to a recently created process
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/69c3ddcd5229aae88c861ace/reports/c9c870d1-17ae-45e6-a01c-994b24202690/overview
Verdict:
Malicious
Labled as:
GenericFCA.Agent.Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-25T10:13:00Z UTC
Last seen:
2026-03-25T10:25:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Makoob.gen
Link:
https://opentip.kaspersky.com/f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a0bd418f-1004-4a11-966d-a98b1d7c1374
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1888858
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Disable UAC(promptonsecuredesktop)
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: 1888858 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, 49723, 49724 MTS-ASNCA Canada 11->41 43 jieqaingdaolu.com 206.168.149.18, 443, 49722 CENTURYLINK-US-LEGACY-QWESTUS United States 11->43 31 C:\Users\user\AppData\Local\Temp\TH5867.tmp, MS-DOS 11->31 dropped 33 C:\Users\user\AppData\Local\Temp\TH5837.tmp, MS-DOS 11->33 dropped 35 C:\Users\user\AppData\Local\Temp\TH5807.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 71 Disable UAC(promptonsecuredesktop) 11->71 18 userinit.exe 1 11->18         started        21 userinit.exe 1 11->21         started        23 userinit.exe 11->23         started        25 2 other processes 11->25 file8 signatures9 process10 signatures11 45 Tries to steal Instant Messenger accounts or passwords 18->45 47 Tries to steal Mail credentials (via file / registry access) 18->47 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 51 Tries to steal Mail credentials (via file registry) 23->51 53 Unusual module load detection (module proxying) 23->53
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-03-25 13:06:27 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6hejwtzcc6mwkziwkyiovoz37t6y26k6um6p6qutjr5bfyklieea._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
00c04908561ee745953e61d436d6ee640e3b31a6f5a90616181552d82e737adc
GuLoader
2e8d23b7f77e7578af862bfb3a5ad652fe19cd2be13da309a65e0402ebdbd7fd
GuLoader
73a06f7dec45a77e620fbd3357165fa49733f5abdac2472270de144aded79017
GuLoader
bae2b47193c08a9f98f390845d8a2d25040bc2b2cee6c36f10cfff5d245b24ea
GuLoader
bfae3fe9b5fa79f729d2eeeaf21bb0d8d5b1080c3cc08c8d36a4d90f27a26064
GuLoader
db67b691c4e7cdfcbfe16adc1d423dd716bc2ef052c7460940cc5124317ab491
GuLoader
e00a8580b10366c26edc801477b1f16e5d6619ea4692e862fbe4fe4adf26ddf0
GuLoader
error
GuLoader
fa83fdb373d067023293567d76ee94ce0a4b592e6193c58025b7725dda06fc60
GuLoader
+ 2'446 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-qb831agx5t/
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:
f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108
MD5 hash:
be220a2e70cc7f1d250ca1afb6d2273c
SHA1 hash:
90da5fd7c76ea6f24f4a16a17f40e69a84eeeba8
Link:
https://www.unpac.me/results/a0dce22e-a6b8-42cc-a1f5-d83564282ef9/
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
Link:
https://www.unpac.me/results/a0dce22e-a6b8-42cc-a1f5-d83564282ef9/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f1c89b4f2217/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108

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 f1c89b4f2217996565165610eabb3bfcfd8d795ea33cff42934c7a12e14b4108

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/59240/

Comments