MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1853750e48152050b5f04f08ba261a37c49fd039435ac4c2683328febd4fa92. 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


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: a1853750e48152050b5f04f08ba261a37c49fd039435ac4c2683328febd4fa92
SHA3-384 hash: aa79669ae88790ac5b74ff493755c00a3261931059ccb428d11992c902c017e58e52d27232b6fcdc66777330711ef946
SHA1 hash: b7d9acdf8e88d1370518326f699cceb56c1fb004
MD5 hash: d0c763c5bc164642ef31a3ff60bc3333
humanhash: kilo-football-mike-freddie
File name:SecuriteInfo.com.Generic.ML.PUA.1084.32521
Download: download sample
Signature GuLoader
File size:332'216 bytes
First seen:2022-10-10 09:27:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 59a4a44a250c4cf4f2d9de2b3fe5d95f (70 x GuLoader, 13 x AgentTesla, 7 x AZORult)
ssdeep 3072:Zc29Tp9pltdXJQxh0VqBoU3LAzfbAYgjNmRT4aaRnCHWPBgQ3gHylDSe1YSJ9LxG:ZcQ9zOWVqB0f6YJEnCHWPRaydSEJJ9A
Threatray 13 similar samples on MalwareBazaar
TLSH T1F3648CD2F11045EDEC6A1B72642B4CA609A32CBDD6B8D14C71F977222BF72A3401E95F
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 068f0b2a2b363f06 (19 x SnakeKeylogger, 8 x AgentTesla, 8 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-13T13:39:44Z
Valid to:2025-07-12T13:39:44Z
Serial number: 2ed8a120c25d8d7a
Thumbprint Algorithm:SHA256
Thumbprint: 2a507c783a411fd800370585f77933b3baa2fc2283c74df9361efc32a8aecfb2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Searching for the window
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi njrat overlay packed shell32.dll
Result
Verdict:
UNKNOWN
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:
DarkCloud, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
DLL side loading technique detected
Drops PE files to the user root directory
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 Putty / WinSCP information (sessions, passwords, etc)
Writes or reads registry keys via WMI
Yara detected DarkCloud
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 719331 Sample: SecuriteInfo.com.Generic.ML... Startdate: 10/10/2022 Architecture: WINDOWS Score: 100 42 usmaniassociates.com 2->42 44 showip.net 2->44 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->58 60 5 other signatures 2->60 10 SecuriteInfo.com.Generic.ML.PUA.1084.32521.exe 2 23 2->10         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\System.dll, PE32 10->36 dropped 76 Drops PE files to the user root directory 10->76 78 Tries to detect Any.run 10->78 80 Writes or reads registry keys via WMI 10->80 14 SecuriteInfo.com.Generic.ML.PUA.1084.32521.exe 2 20 10->14         started        signatures6 process7 dnsIp8 46 usmaniassociates.com 72.18.132.49, 443, 49840 WEHOSTWEBSITES-COMUS United States 14->46 48 showip.net 162.55.60.2, 49842, 80 ACPCA United States 14->48 38 C:\Users\user\AppData\...\ConsoleApp1.exe, PE32 14->38 dropped 40 C:\Users\Public\vbsqlite3.dll, PE32 14->40 dropped 50 Tries to harvest and steal browser information (history, passwords, etc) 14->50 52 Tries to detect Any.run 14->52 19 ConsoleApp1.exe 10 14->19         started        file9 signatures10 process11 signatures12 62 Antivirus detection for dropped file 19->62 64 Multi AV Scanner detection for dropped file 19->64 66 Machine Learning detection for dropped file 19->66 22 credentials.exe 2 19->22         started        25 csc.exe 5 19->25         started        process13 file14 68 Antivirus detection for dropped file 22->68 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Machine Learning detection for dropped file 22->72 28 conhost.exe 22->28         started        34 C:\Users\user\AppData\...\credentials.exe, PE32 25->34 dropped 74 DLL side loading technique detected 25->74 30 conhost.exe 25->30         started        32 cvtres.exe 1 25->32         started        signatures15 process16
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-10-10 06:11:28 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b7ccb923387cc346731471b20fc3df1ead13ec8c2e3147353c71bb0bd59bc8b1
MD5 hash:
6f5257c0b8c0ef4d440f4f4fce85fb1b
SHA1 hash:
b6ac111dfb0d1fc75ad09c56bde7830232395785
SH256 hash:
a1853750e48152050b5f04f08ba261a37c49fd039435ac4c2683328febd4fa92
MD5 hash:
d0c763c5bc164642ef31a3ff60bc3333
SHA1 hash:
b7d9acdf8e88d1370518326f699cceb56c1fb004
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments