MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 236f588e342c10bbb188c4e9c5ae6a404cde15d852c1dae044248a3fb966c124. 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: 10
| SHA256 hash: | 236f588e342c10bbb188c4e9c5ae6a404cde15d852c1dae044248a3fb966c124 |
|---|---|
| SHA3-384 hash: | a73226bb3f1e9a570c5d576176e0dd1f47d7b95db8104c50f71ba25d0b9acdc5e74b706eed909e2d2f178718fe0b2a29 |
| SHA1 hash: | 2ed22540d752675fab78467ec3b06d3f913c72bb |
| MD5 hash: | f698bae55d26e7fb2f655f843d2652d3 |
| humanhash: | cold-golf-winner-violet |
| File name: | REF#05129598.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 440'712 bytes |
| First seen: | 2023-03-07 11:58:47 UTC |
| Last seen: | 2023-03-07 13:46:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla) |
| ssdeep | 6144:tbUTp15lOVWR4vFSf00fOkTfwmUBxJcuaJ8ldmrSPcojTqvvm9LXMJkUxM+Aur:tIJlsW8200PTDUBscQ+ljOvu97MJDH |
| TLSH | T19D94F103F400C0A1D21E8931F2871EF286766FF9A6615D9636D8BF05B975340E89FE6B |
| 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 | 8aa523c1d9d3d18e (8 x GuLoader) |
| Reporter |  pr0xylife |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-07-23T03:03:03Z |
| Valid to: | 2025-07-22T03:03:03Z |
| Serial number: | 5df48b978d4e9459ba013ad7957a7e14fc3b9f4c |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 9020702a2724f1dbe3275d6720dd1f8e6969e2ce8b3f1b4348072982b051593f |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
209
Origin country :
DEVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
REF#05129598.exe
Verdict:
Malicious activity
Analysis date:
2023-03-07 12:00:14 UTC
Tags:
guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Searching for the window
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
guloader nemesis overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Win/grayware_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:
92 / 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 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:
2023-03-07 09:45:48 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
15 of 38 (39.47%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Loads dropped DLL
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
SH256 hash:
236f588e342c10bbb188c4e9c5ae6a404cde15d852c1dae044248a3fb966c124
MD5 hash:
f698bae55d26e7fb2f655f843d2652d3
SHA1 hash:
2ed22540d752675fab78467ec3b06d3f913c72bb
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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