MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d26418368c830b9d0cc5755e18cc1510288321fbab271eb301c457c3714fe79a. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: d26418368c830b9d0cc5755e18cc1510288321fbab271eb301c457c3714fe79a
SHA3-384 hash: 288c6f476f681ce25edd7ead92df2783b0a91cf051cd2d01e0bb768cad0526854a7883aa7437ae274a2fea62045dece4
SHA1 hash: 4a8c30fedd4ac7976825fd05d5484ea520d1c26e
MD5 hash: d3d0d486d7e2b0ad743e684c40eac767
humanhash: alabama-diet-friend-batman
File name:PRUEBA DE PAGO.exe
Download: download sample
Signature GuLoader
File size:873'584 bytes
First seen:2022-07-20 03:34:33 UTC
Last seen:2022-07-25 09:10:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla)
ssdeep 24576:t9KlLy+fvmWSH1YvgnMu1xygATZ0wNrcMfcVLCH:W+6uxHeiT/yTZnZn
Threatray 1'659 similar samples on MalwareBazaar
TLSH T19005E133214E604DF91D63344150A6F74765FD2324AA8CCF3BA5344AEEB8BD3B938669
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 f0d0b0d8d8b8f0f0 (9 x GuLoader)
Reporter malwarelabnet
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Schmeers Fornuftspartier
Issuer:Schmeers Fornuftspartier
Algorithm:sha256WithRSAEncryption
Valid from:2021-10-11T00:21:13Z
Valid to:2024-10-10T00:21:13Z
Serial number: -3525a14f2608a8d3
Thumbprint Algorithm:SHA256
Thumbprint: 707b42706455a8c09f3f2c6d1bf813c626c587b25142202e8f107fca75d4d3b9
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
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:
Likely Malicious
Threat level:
  7.5/10
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.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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:
2022-07-20 02:36:55 UTC
File Type:
PE (Exe)
Extracted files:
55
AV detection:
22 of 25 (88.00%)
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
Drops file in System32 directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
d26418368c830b9d0cc5755e18cc1510288321fbab271eb301c457c3714fe79a
MD5 hash:
d3d0d486d7e2b0ad743e684c40eac767
SHA1 hash:
4a8c30fedd4ac7976825fd05d5484ea520d1c26e
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