MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 13d51b76a44e31a8f2007d328e91036468fbd1d8c9e8706bffa4c544417b7ef7. 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: 11
| SHA256 hash: | 13d51b76a44e31a8f2007d328e91036468fbd1d8c9e8706bffa4c544417b7ef7 |
|---|---|
| SHA3-384 hash: | 37667b045b131e2dbd311052da9d3c11c3e27426b3ec98011fc9f2c1bbafac2408a66f14f67130cbe0a3ceb2299d3f06 |
| SHA1 hash: | 2b47e4e2ae48a21c519f240e89a28d2d8f7d30a4 |
| MD5 hash: | 42cff828d126698f6a09338c67067f8f |
| humanhash: | table-sierra-nuts-jersey |
| File name: | SecuriteInfo.com.FileRepMalware.12601.20128 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 517'816 bytes |
| First seen: | 2023-09-18 22:36:11 UTC |
| Last seen: | 2023-09-19 16:32:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3abe302b6d9a1256e6a915429af4ffd2 (287 x GuLoader, 38 x Formbook, 25 x Loki) |
| ssdeep | 12288:9wc+TUh4R5bOYPzaBtA7jfWcYdYYNUK+cqhPv+AVRUj0DgUDss:9WTUh4fOyEcYdYuTq8GR4yF |
| Threatray | 339 similar samples on MalwareBazaar |
| TLSH | T1D0B402413AD81CE7E86D067355B2EB9A24787C17039658DB63CDB7BB1534B838B0E12E |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 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) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | c4968ecccccccc88 (7 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-03-01T08:18:16Z |
| Valid to: | 2026-02-28T08:18:16Z |
| Serial number: | 5a0164d0839eebe9f39f7cff7325bb37b2b6a94b |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | b6a76689a22b71d8b5fbdca771adebf40ffe50519076604b9e035b612e04cc6b |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
310
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.FileRepMalware.12601.20128
Verdict:
Suspicious activity
Analysis date:
2023-09-18 22:39:20 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-09-18 20:35:48 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
17 of 35 (48.57%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 329 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
MD5 hash:
b0c77267f13b2f87c084fd86ef51ccfc
SHA1 hash:
f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
SH256 hash:
13d51b76a44e31a8f2007d328e91036468fbd1d8c9e8706bffa4c544417b7ef7
MD5 hash:
42cff828d126698f6a09338c67067f8f
SHA1 hash:
2b47e4e2ae48a21c519f240e89a28d2d8f7d30a4
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| 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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