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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e
SHA3-384 hash: 55c3b443b237e2ebb1a23699971084087014d541ff533bb530afc8ceb4fd0733e9d37451db3f8074a3c5b50370b9268a
SHA1 hash: ef00abd6d16e3a0b978e35b4b20a4c433e62c4d7
MD5 hash: 2d3949fde69d9b09395f0467fadf44bf
humanhash: utah-solar-vegan-bakerloo
File name:Awb_DHL_bl_original_shipping_documents_doc.uue.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:512'048 bytes
First seen:2026-03-24 09:01:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ea4df5d94204fc550be1874e1b77ea7 (254 x GuLoader, 32 x RemcosRAT, 26 x VIPKeylogger)
ssdeep 12288:sgiOOe4x/WJqKKsXY5S96FCrlZEayoN4nVlZ9ctdKmemJ1cV1:1Oe4oqKKBGlNy84HUImPcV1
TLSH T160B4130572ECC493CFA24B30AD689A73DBD6BE110428E6036710BF6EBD313A5950776B
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 69f8f4e0e0f6f029 (1 x RemcosRAT, 1 x GuLoader)
Reporter abuse_ch
Tags:DHL exe GuLoader signed

Code Signing Certificate

Organisation:Precognizing
Issuer:Precognizing
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-28T05:27:55Z
Valid to:2027-02-28T05:27:55Z
Serial number: 798b724a85507237ed94844e6550c7e8aa02f349
Thumbprint Algorithm:SHA256
Thumbprint: 2151773aab27757320478c050f64a7aeb9652a78b1c161b7fc1589db7d5bcae6
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
157
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/0ee7374a-3ea2-4957-a28e-db6c6b456dd4/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Awb_DHL_bl_original_shipping_documents_doc.uue.exe
Verdict:
Malicious activity
Analysis date:
2026-03-23 10:59:45 UTC
Tags:
auto-reg remcos rat
Link:
https://app.any.run/tasks/40af750f-1203-41e6-abf3-a3f0fd959226

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/58932/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c11d20390b99647412f6eb
Tags:
injection obfusc blic
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Connection attempt
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the Windows directory
Creating a file in the %AppData% subdirectories
Creating a file
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
DNS request
Gathering data
Verdict:
Malicious
Labled as:
Injector.RXMJ
Link:
https://www.hybrid-analysis.com/sample/c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e
Verdict:
Malicious
File Type:
exe x32
Detections:
HEUR:Trojan.Win32.Makoob.gen Trojan.NSIS.Makoob.sbd Trojan-Dropper.Win32.Injector.sb Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb Backdoor.Win32.Remcos.sb
Link:
https://opentip.kaspersky.com/c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/60b3307a-737c-4d6f-aa61-99fbb6ee857d
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1888077
Signature
AI detected suspicious PE digital signature
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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:
71%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e
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/2d3949fde69d9b09395f0467fadf44bf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2026-03-23 10:59:47 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ycptpvsg5jrjt7ha5ytbqa3emuvcclkx3lip433ndsbowciqbypa._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/260324-kzbvhsds8x/
Behaviour
Suspicious behavior: MapViewOfSection
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
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e
MD5 hash:
2d3949fde69d9b09395f0467fadf44bf
SHA1 hash:
ef00abd6d16e3a0b978e35b4b20a4c433e62c4d7
Link:
https://www.unpac.me/results/2a6e9a87-80f1-4686-82f9-0e4c8b875506/
SH256 hash:
067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
MD5 hash:
0d45588070cf728359055f776af16ec4
SHA1 hash:
c4375ceb2883dee74632e81addbfa4e8b0c6d84a
Link:
https://www.unpac.me/results/2a6e9a87-80f1-4686-82f9-0e4c8b875506/
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Link:
https://www.unpac.me/results/2a6e9a87-80f1-4686-82f9-0e4c8b875506/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c09f37d646ea/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/c09f37d646ea6299fce0ee26180364652a212d57dad0fe6f6d1c82eb09100e1e

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/58932/

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