MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4bcdf0ff0a8364f606763d15ff06a075d3f1226b0e666f9f5aaa3de86f218c86. 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: 7
| SHA256 hash: | 4bcdf0ff0a8364f606763d15ff06a075d3f1226b0e666f9f5aaa3de86f218c86 |
|---|---|
| SHA3-384 hash: | f42b4bfba77e9757abfb1744a306ad88233b6f0bb9e5a22ce3638317a90e3f60e912e72c57b951387987a38bf43877c9 |
| SHA1 hash: | 6bea8bf9a3e974d259cc49f0d255476e7c6fca6a |
| MD5 hash: | d6b3d3a43460c0b6677ad8b7b85c3974 |
| humanhash: | montana-lactose-whiskey-idaho |
| File name: | SecuriteInfo.com.Gen.Variant.Nemesis.8563.22848.30574 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 515'976 bytes |
| First seen: | 2022-06-28 16:44:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 6144:WbE/HUvUKBZKdUQPIc7IWMlQEwE+G4NlJx38wapZGxCar8NT87eEOBGK4Qqb99aw:WbIzpPdIGEwEX4NlJl8w+ZGxCaMtav |
| Threatray | 3'349 similar samples on MalwareBazaar |
| TLSH | T196B4F111B42C918BE57B193A54A3D51A9874FC7A4E70051B378E7BAD287078BC93FA3C |
| 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 | ecf0e4fcf8f8f0f0 (5 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | PSEUDALVEOLAR Deputing |
|---|---|
| Issuer: | PSEUDALVEOLAR Deputing |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-06-28T09:59:30Z |
| Valid to: | 2023-06-28T09:59:30Z |
| Serial number: | -4b862ea582953a52 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | c4a3b19f7ddb3d4bba6fc32eb62c3b41a70132350941ec3177b337ec56e3f4b1 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
384
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Sending a custom TCP request
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.
Malware family:
GuLoader
Verdict:
Malicious
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Hides threads from debuggers
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)
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-06-28 14:32:02 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
7 of 40 (17.50%)
Threat level:
3/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 3'339 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
3d75d7e5a4b20e20e9fb5a78a08eb50664f1d3390dfea22e56959d8717af64b7
MD5 hash:
b845929e331d78fab4751e2c0646f9a2
SHA1 hash:
ba1350a602c6f83d1ea58ceb5a1b9dffc5b34216
SH256 hash:
4bcdf0ff0a8364f606763d15ff06a075d3f1226b0e666f9f5aaa3de86f218c86
MD5 hash:
d6b3d3a43460c0b6677ad8b7b85c3974
SHA1 hash:
6bea8bf9a3e974d259cc49f0d255476e7c6fca6a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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