MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b3c83ca8ac0be1a91267ff0c5f12e3db8b08b4fa0c8c44df69a4a358c946bbee. 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: | b3c83ca8ac0be1a91267ff0c5f12e3db8b08b4fa0c8c44df69a4a358c946bbee |
|---|---|
| SHA3-384 hash: | 08c1a3de50d9f33189df61cb05c8bef827f47706309448d8e7febb5b9865710df6b09b7c9c08409b43cdf4c1636246c2 |
| SHA1 hash: | 8bf18a00ce229a0d9784cc9d70c197696a6537b4 |
| MD5 hash: | f1274bbb200f4c3c673da12d4a48e212 |
| humanhash: | ack-whiskey-summer-vermont |
| File name: | f1274bbb200f4c3c673da12d4a48e212 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 367'944 bytes |
| First seen: | 2022-09-10 01:06:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1f23f452093b5c1ff091a2f9fb4fa3e9 (282 x GuLoader, 38 x RemcosRAT, 27 x VIPKeylogger) |
| ssdeep | 6144:0p+gg5PJgKl4jw8pmRzqPc6M9IsFTCySWpx+HGqRFfHlP5Umvlx4DMla:UigKl9yIzqPc/9IsFeyxxARpHTvA4la |
| Threatray | 3'437 similar samples on MalwareBazaar |
| TLSH | T1E574BF627950D1D1D5A56F33F41B887A1A366D2A1630900F2374BF2A3FBD6C3CA29B17 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 70f0d292ecf2f030 (9 x GuLoader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader signed |
Code Signing Certificate
| Organisation: | Industrileder Detaljestudium Salified |
|---|---|
| Issuer: | Industrileder Detaljestudium Salified |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-12-17T19:22:21Z |
| Valid to: | 2024-12-16T19:22:21Z |
| Serial number: | 7c9ca91e89390a5c |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 606f5281992b982dafe71faf4be0d1b029db286a3b19b3d50280295c4e231770 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
431
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f1274bbb200f4c3c673da12d4a48e212
Verdict:
Malicious activity
Analysis date:
2022-09-10 01:08:45 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:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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:
Remcos, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Remcos
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2022-09-09 03:30:22 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
14 of 26 (53.85%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 3'427 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
SH256 hash:
d8e76e62d3938c6cb70887f864d98f6db78dc24cccb8e4331c1ae4afd091b311
MD5 hash:
28687c1d4e27ec34130aaa85b6dad948
SHA1 hash:
1f9be583f2846deedf9922c5cb6e865570d0d9d9
SH256 hash:
bb7e367bee3e91651d444db3c2f0997de914650547c66473bb201a2724d49196
MD5 hash:
6ea4aa54a7837e790c0b822dc8c27cd6
SHA1 hash:
1ed173163c496c482b36ef737fb6832e2b82cb6e
SH256 hash:
b3c83ca8ac0be1a91267ff0c5f12e3db8b08b4fa0c8c44df69a4a358c946bbee
MD5 hash:
f1274bbb200f4c3c673da12d4a48e212
SHA1 hash:
8bf18a00ce229a0d9784cc9d70c197696a6537b4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.17
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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