MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 653d233e17cdc39077626ddd6d456bddae3bfa51df07d55c9e36fd22516d6e83. 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 1

SHA256 hash: 653d233e17cdc39077626ddd6d456bddae3bfa51df07d55c9e36fd22516d6e83
SHA3-384 hash: 803d7b2f23408f0000de941eee7381400646098ebab40ee8262a308ab572a4786ddb16f1ce80d8094bb8077fe8e12d69
SHA1 hash: 0f97b145f6add1fe850a098f794502b9708b3ca9
MD5 hash: 519a9025ea2fa96f858edfe8715556a4
humanhash: social-eight-kansas-oranges
File name:519a9025ea2fa96f858edfe8715556a4
Download: download sample
Signature GuLoader
File size:360'360 bytes
First seen:2023-01-16 17:05:01 UTC
Last seen:2023-01-16 18:32:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:H92W3cNVOPk3R84+EtHpeSNati5IoS9/ufnKEDcxTnQFMuoy4xBrcFhkwckl/EoQ:1sD3S4+0bNM7opInQFsnxepLmCa1
Threatray 1'579 similar samples on MalwareBazaar
TLSH T1327422B651D5E86FE2C683B040F6BB3CC37586A01253244B9F69EE753F1879B43162A3
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):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:Chapelgoer
Issuer:Chapelgoer
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-16T09:57:56Z
Valid to:2026-01-15T09:57:56Z
Serial number: -1f141a8310ea9a2c
Thumbprint Algorithm:SHA256
Thumbprint: ad9fd26c2266254c7d316cecc16453a41d70dafe1c06df18fbf7a2dc13d31e26
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
519a9025ea2fa96f858edfe8715556a4
Verdict:
Malicious activity
Analysis date:
2023-01-16 17:07:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer 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:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
96 / 100
Signature
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 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
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-01-16 17:06:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Unpacked files
SH256 hash:
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b
MD5 hash:
b8992e497d57001ddf100f9c397fcef5
SHA1 hash:
e26ddf101a2ec5027975d2909306457c6f61cfbd
SH256 hash:
653d233e17cdc39077626ddd6d456bddae3bfa51df07d55c9e36fd22516d6e83
MD5 hash:
519a9025ea2fa96f858edfe8715556a4
SHA1 hash:
0f97b145f6add1fe850a098f794502b9708b3ca9
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.

Web download

GuLoader

Executable exe 653d233e17cdc39077626ddd6d456bddae3bfa51df07d55c9e36fd22516d6e83

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-01-16 17:05:03 UTC

url : hxxp://103.171.0.73/explorer/.svchost.exe