MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6497164b34c7d536dfac232cde860961278b0802dc83cc217a9eb60bb61fb2a5. 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: 9
| SHA256 hash: | 6497164b34c7d536dfac232cde860961278b0802dc83cc217a9eb60bb61fb2a5 |
|---|---|
| SHA3-384 hash: | bfca9b57dee68fdf2dce4a8226c94a1e06043c088201bff78ec582770371c4d3e6649ec15c5c5639758721ca321f68e1 |
| SHA1 hash: | 820a203ea9f7ce400494aaaf526668aff1346bdb |
| MD5 hash: | 3feceb37ec800650798e4af4b8374ac4 |
| humanhash: | sad-four-berlin-uniform |
| File name: | 1591170538.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 243'504 bytes |
| First seen: | 2023-01-05 08:37:46 UTC |
| Last seen: | 2023-01-09 13:56:14 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki) |
| ssdeep | 6144:ha4TMVvDHzUdnfIF9MwTSp/H8oXa0RWA2w+R9/O8kJ3nM:A4gVvDH41QMwQ8T04W+H/MJ3M |
| Threatray | 2'285 similar samples on MalwareBazaar |
| TLSH | T1993412151AB4DD7BDAA356350FB36B2BDF72D950122142531BF0BA9AFF213818A1F10E |
| 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 | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Cervelatplse |
|---|---|
| Issuer: | Cervelatplse |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-10-16T17:28:53Z |
| Valid to: | 2025-10-15T17:28:53Z |
| Serial number: | 2bc8920eb65ca7f8 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 51ace13b313cc8bb81bdb3d4c04cc445e4d5d43bf0ef943c1bf82dcef0a58986 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ-ORS-687.exe
Verdict:
Malicious activity
Analysis date:
2023-01-03 11:02:53 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
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Tags:
buer 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:
Suspicious
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
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 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.Trojan.GuLoader
Status:
Malicious
First seen:
2023-01-03 09:25:25 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 2'275 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
MD5 hash:
b0c77267f13b2f87c084fd86ef51ccfc
SHA1 hash:
f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
SH256 hash:
6497164b34c7d536dfac232cde860961278b0802dc83cc217a9eb60bb61fb2a5
MD5 hash:
3feceb37ec800650798e4af4b8374ac4
SHA1 hash:
820a203ea9f7ce400494aaaf526668aff1346bdb
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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