MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6d829102bf6a3de1318d233cb20baad5c2e6608482923ff687a3be26d122b47. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: d6d829102bf6a3de1318d233cb20baad5c2e6608482923ff687a3be26d122b47
SHA3-384 hash: 1a5f39dc6c0023b654bc2ae710433f67cb6d3b58fd0cb1280650bc899fd058d22b14d6ff77217a5e65a939ca272cf28e
SHA1 hash: 174214c69584ceb45df1d86a8ebb5a8541bc7a6c
MD5 hash: b939adf69168e40a9d4328170663ef7d
humanhash: nebraska-black-october-table
File name:SecuriteInfo.com.Gen.Variant.Nemesis.9233.22451.11105
Download: download sample
Signature GuLoader
File size:987'528 bytes
First seen:2022-07-21 15:38:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f10e4da994053bf80c20cee985b32e29 (65 x GuLoader, 9 x RemcosRAT, 6 x QuasarRAT)
ssdeep 12288:bOjpRtQ2QvSAXOjAvy/6cu93in7FKWLYk/6BKetf:bO1HQ2QvSAXOky/3d7vcBFV
TLSH T18B2501127404E193F9090A7699FBC27507653EDAAD448B8F3288BB8F35F3606652FE1D
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):PE icon
dhash icon 068e8cbcb9189858 (7 x GuLoader, 1 x QuasarRAT)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Rodden Postulerede irritila
Issuer:Rodden Postulerede irritila
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-21T11:53:32Z
Valid to:2025-07-20T11:53:32Z
Serial number: 122d3a690bace48d
Thumbprint Algorithm:SHA256
Thumbprint: 3c3a2c787eabc6f211099fe071f02fa3d11311ecf2eb785cf322c65a0b8293ab
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
321
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer nemesis overlay packed shell32.dll wacatac
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.
Result
Threat name:
GuLoader, Quasar
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Installs a global keyboard hook
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, 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)
Yara detected GuLoader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2022-07-21 15:39:12 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
7 of 39 (17.95%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
d6d829102bf6a3de1318d233cb20baad5c2e6608482923ff687a3be26d122b47
MD5 hash:
b939adf69168e40a9d4328170663ef7d
SHA1 hash:
174214c69584ceb45df1d86a8ebb5a8541bc7a6c
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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.

Comments