MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 830399d0bb2b6696dcf818f38342f9fda9243105a7a29621d72c4351dd717773. 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: | 830399d0bb2b6696dcf818f38342f9fda9243105a7a29621d72c4351dd717773 |
|---|---|
| SHA3-384 hash: | 71e97803f17ae46d059b567bd74868da4f395832e968afe6697ae9f070f4d09b4ce034a7820eccb94aec4d11fe0c6224 |
| SHA1 hash: | d7790d696a26ec30177f6be28d23ec954ecd9e28 |
| MD5 hash: | 1a0510a963bf236d35526f5f29bed424 |
| humanhash: | oven-artist-asparagus-failed |
| File name: | 830399d0bb2b6696dcf818f38342f9fda9243105a7a29621d72c4351dd717773 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 691'136 bytes |
| First seen: | 2023-07-05 12:45:32 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (525 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer) |
| ssdeep | 12288:M6QP7r9r/+ppppppppppppppppppppppppppppp0YytsihIAm8IMMXURZewTf0Sj:NQ1MyfL4XURZKScv1+9jv |
| Threatray | 976 similar samples on MalwareBazaar |
| TLSH | T1FDE4CF85E980A1A0DD59AB306A37CD3556237DFDA874941D29DE3E2B3FFB2D3102A053 |
| 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 | d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-06-02T09:26:53Z |
| Valid to: | 2026-06-01T09:26:53Z |
| Serial number: | 6db042154c63c6170336c9ee019c4941d5ffc7b6 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 04d389119097f980139848ab38871ff819597a4ca9f7829e38d962ab910cbd84 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
286
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
830399d0bb2b6696dcf818f38342f9fda9243105a7a29621d72c4351dd717773
Verdict:
No threats detected
Analysis date:
2023-07-05 12:44:16 UTC
Tags:
n/a
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
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
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.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-06-05 09:38:20 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
25 of 38 (65.79%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 966 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
SH256 hash:
830399d0bb2b6696dcf818f38342f9fda9243105a7a29621d72c4351dd717773
MD5 hash:
1a0510a963bf236d35526f5f29bed424
SHA1 hash:
d7790d696a26ec30177f6be28d23ec954ecd9e28
Detections:
win_cannon_auto
Malware family:
Lokibot
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | win_cannon_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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