MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0d8c73eefdf044c052868019fd97d4ad925349f6fbea5bc58a81fb527f06dca7. 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: 13
| SHA256 hash: | 0d8c73eefdf044c052868019fd97d4ad925349f6fbea5bc58a81fb527f06dca7 |
|---|---|
| SHA3-384 hash: | 2ab8829ce3abb2e356b2fdf63add22af0fb31f25d7b2a900395c62c7d321ac1c33117e3a16c3cc4e3f15be6ca15a8efd |
| SHA1 hash: | 9229991aae37a0fc3883c1c29fe10a90ae588a69 |
| MD5 hash: | b103b0fe6268bc9fefb2c61bc00a9f04 |
| humanhash: | muppet-hot-washington-nuts |
| File name: | 0d8c73eefdf044c052868019fd97d4ad925349f6fbea5bc58a81fb527f06dca7 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 637'960 bytes |
| First seen: | 2025-12-08 15:38:17 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 12288:/Q283ZyXJ1nDxm997SUVuL5T2k4xJfptMnC:/QC5e9UMa5N4zptMnC |
| TLSH | T1D1D41213BB5C974FD3A88BB1787926324EA8DF9306147D1AB7C4FC2D187224D69272E1 |
| 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 |
| dhash icon | e2ee8a8eb6d8ecf4 (56 x AgentTesla, 40 x RemcosRAT, 40 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Dialogsystem |
|---|---|
| Issuer: | Dialogsystem |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-10-12T06:06:57Z |
| Valid to: | 2026-10-12T06:06:57Z |
| Serial number: | 5dcfab5c11439604c03be2b5830ec0937db39954 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | d868eba31258880d72d845a41f5aedc789039ab17d58496a1a09c60779cd8a0a |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
111
Origin country :
HUVendor 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
Malware family:
n/a
ID:
1
File name:
0d8c73eefdf044c052868019fd97d4ad925349f6fbea5bc58a81fb527f06dca7
Verdict:
Malicious activity
Analysis date:
2025-12-08 14:09:47 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
injection obfusc virus nsis
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T08:31:00Z UTC
Last seen:
2025-12-09T19:07:00Z UTC
Hits:
~100
Gathering data
Score:
91%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-24 22:24:30 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
8 of 36 (22.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader execution persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Badlisted process makes network request
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Guloader family
Guloader,Cloudeye
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
MD5 hash:
466179e1c8ee8a1ff5e4427dbb6c4a01
SHA1 hash:
eb607467009074278e4bd50c7eab400e95ae48f7
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
SH256 hash:
0d8c73eefdf044c052868019fd97d4ad925349f6fbea5bc58a81fb527f06dca7
MD5 hash:
b103b0fe6268bc9fefb2c61bc00a9f04
SHA1 hash:
9229991aae37a0fc3883c1c29fe10a90ae588a69
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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