MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab. 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: 13

Intelligence 13 IOCs YARA File information Comments

SHA256 hash:	761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab
SHA3-384 hash:	f52eeef1a67680e2e25612077f9179e12c59dd4c96c7c15966e2fa0a54e666690f5f210ce1b6ad629ef6517a0022d2ef
SHA1 hash:	3ff0c2edcc77b0663a0b4d1f94fa25dbbfc19e8b
MD5 hash:	b8914185bfef219cccd80034dc55ffbd
humanhash:	blossom-nebraska-virginia-utah
File name:	PO#940834894039430849484803408.PDF.com
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	796'468 bytes
First seen:	2024-11-09 08:11:14 UTC
Last seen:	2026-05-21 13:44:01 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT)
ssdeep	24576:sMwhY36B+DeNLLQu+Zx0PARxFWfcFqal/F4X5Zi5:sMwhESstZq+WfQiX5C
TLSH	T125052396CAD0C613FE631E76E81A8FB61EFD4D09D7750E2B0F90A726B850048CA6F715
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 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) (4504/4/1)
Magika	pebin
File icon (PE):
dhash icon	1ad9d8b9b9b9b9b8 (5 x GuLoader, 3 x SnakeKeylogger)
Reporter	abuse_ch
Tags:	com exe GuLoader

Intelligence

File Origin

# of uploads :

# of downloads :

396

Origin country :

Vendor Threat Intelligence

Malware family:

guloader

ID:

File name:

PO#940834894039430849484803408.PDF.com

Verdict:

Malicious activity

Analysis date:

2024-11-09 08:48:48 UTC

Tags:

guloader loader

Link:

https://app.any.run/tasks/25543311-cbe8-4284-bddf-c748d6fa570d

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.FileRepMalware.26902.21515.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=672f19706c614f3030a3b5e3

Tags:

gumen nsis

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% subdirectories

Creating a file

Launching a process

Using the Windows Management Instrumentation requests

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

installer masquerade microsoft_visual_cc overlay packed packed packer_detected phishing

Link:

https://www.filescan.io/uploads/672f1953ce6c55443a7cf2fe/reports/a0657d7d-d67a-44cb-9b3a-b412bf427daa/overview

Verdict:

Malicious

Labled as:

Tedy.Generic

Link:

https://www.hybrid-analysis.com/sample/761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/4ff168a0-a35d-49cc-b3df-e68c412b7149

Result

Threat name:

GuLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1552666

Signature

AI detected suspicious sample

Early bird code injection technique detected

Found suspicious powershell code related to unpacking or dynamic code loading

Initial sample is a PE file and has a suspicious name

Loading BitLocker PowerShell Module

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Powershell drops PE file

Queues an APC in another process (thread injection)

Sigma detected: Suspicious Double Extension Files

Sigma detected: Suspicious Script Execution From Temp Folder

Suspicious powershell command line found

Writes to foreign memory regions

Yara detected GuLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab/

Threat name:

Win32.Spyware.Snakekeylogger

Status:

Suspicious

First seen:

2024-11-08 09:20:52 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 37 (45.95%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=oyo77qpeo5u3qhzt4qhrlhftnjknpusb6j4pjhudqpqkfdsv3ovq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery execution persistence

Link:

https://tria.ge/reports/241109-j3tzts1djl/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b5629794-fea6-45d0-9f3b-91f56998d100

Unpacked files

SH256 hash:

761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab

MD5 hash:

b8914185bfef219cccd80034dc55ffbd

SHA1 hash:

3ff0c2edcc77b0663a0b4d1f94fa25dbbfc19e8b

Link:

https://www.unpac.me/results/43337a22-bd9e-44d6-b462-c69072433786/

Malware family:

GuLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/761dffc1e477/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/761dffc1e47769b81f33e40f159cb36a54d7d241f278f49e8383e0a28e55dbab

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::SetFileSecurityW
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample