MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f231e32a7da0a5dec56bb64c7ddc4c02bec943ae6ff32703a31fd944337df7bc. 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: 8
| SHA256 hash: | f231e32a7da0a5dec56bb64c7ddc4c02bec943ae6ff32703a31fd944337df7bc |
|---|---|
| SHA3-384 hash: | 4ae96176a041f597468f0fc840b29e1e8df5269de381e7d3cdde70bd73b285e994d04bc702ffcc1f741c8d057326f30b |
| SHA1 hash: | 1b5cd2a14a8b7ef7a4278bdb8ed9ccedf1590779 |
| MD5 hash: | 3102a38999b13793a616daff60462310 |
| humanhash: | paris-robin-carpet-ceiling |
| File name: | Request-4-7-2023.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 454'504 bytes |
| First seen: | 2023-03-02 11:31:03 UTC |
| Last seen: | 2023-03-02 13:37:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e160ef8e55bb9d162da4e266afd9eef3 (140 x GuLoader, 33 x RemcosRAT, 17 x AgentTesla) |
| ssdeep | 12288:2CycsYglaEekKaMbA0MLuA7IrgrSESX4des5h0pQzQn/x2q:27la1k50kIZL4des5Nc/J |
| Threatray | 531 similar samples on MalwareBazaar |
| TLSH | T1CEA4F1CE7B815621D1A51B76C4BF5778123DAFC81532060733A5FF29BC72386AEA184B |
| TrID | 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133) 3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 1.1% (.EXE) Win64 Executable (generic) (10523/12/4) 0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.5% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | 00a8aaaedee0e002 (8 x GuLoader) |
| Reporter |  pr0xylife |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-09-22T02:34:47Z |
| Valid to: | 2025-09-21T02:34:47Z |
| Serial number: | 7a7314dc6c13027ff87c493e7310a1efbc299045 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 6beeba1ec512c32691499583fccb8bf7a07e56a7d7860ea59f92f897fb2c18a5 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
189
Origin country :
IEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request-4-7-2023.exe
Verdict:
Malicious activity
Analysis date:
2023-03-02 11:44:15 UTC
Tags:
installer
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 Windows subdirectories
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
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:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
96 / 100
Signature
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-03-02 11:32:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 25 (64.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 521 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Unpacked files
SH256 hash:
484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
MD5 hash:
960a5c48e25cf2bca332e74e11d825c9
SHA1 hash:
da35c6816ace5daf4c6c1d57b93b09a82ecdc876
SH256 hash:
f231e32a7da0a5dec56bb64c7ddc4c02bec943ae6ff32703a31fd944337df7bc
MD5 hash:
3102a38999b13793a616daff60462310
SHA1 hash:
1b5cd2a14a8b7ef7a4278bdb8ed9ccedf1590779
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_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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