MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e. 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: 11

Intelligence 11 IOCs YARA File information Comments

SHA256 hash:	0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e
SHA3-384 hash:	fc95a9b060931d7b7c58140aec655668f4946a1f81888b665c0abccd568bde2f9f0f1c50f98267c75b2b8a72788b2caa
SHA1 hash:	52be39191db4a22ab8ad3f728619eb636a5011e3
MD5 hash:	9dc6e6f488005a6ec8fb5cbba886a895
humanhash:	london-ack-sierra-eight
File name:	TERMINI CONTRATTUALI-pdf.exe
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	753'387 bytes
First seen:	2024-04-06 07:11:11 UTC
Last seen:	2024-04-06 07:23:38 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep	12288:Mo9kxG4/BCd3qVDkkbJrvEnqKJVQImTywmHBjLrAX:MGkv56QDbEqKJrwOrAX
Threatray	300 similar samples on MalwareBazaar
TLSH	T108F4A922E1ACBA5BC4AD09FA9F026178D97F2F001157D8377162B7969F3356DCB8221C
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) (4504/4/1)
File icon (PE):
dhash icon	cb786cecdccc71b2 (6 x AgentTesla, 3 x GuLoader)
Reporter	abuse_ch
Tags:	exe GuLoader

Intelligence

File Origin

# of uploads :

# of downloads :

307

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e.exe

Verdict:

Malicious activity

Analysis date:

2024-04-06 07:16:22 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/80de6c3f-23e4-4646-b10b-aeb1844e2224

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

Searching for the window

Creating a file in the %temp% subdirectories

Searching for many windows

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

installer lolbin overlay packed shell32

Link:

https://www.filescan.io/uploads/6610f5c5ec04992a87dcb6d6/reports/5c644511-3b4d-48ee-a45b-87e883025d53/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e

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.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/3ae4c483-13e3-4b27-b811-60497c31f7cf

Result

Threat name:

GuLoader

Detection:

malicious

Classification:

troj.evad

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/1421250

Signature

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Opens the same file many times (likely Sandbox evasion)

Yara detected GuLoader

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e/

Threat name:

Win32.Trojan.Nemesis

Status:

Malicious

First seen:

2024-04-03 01:05:46 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=beqlyouzsokuytbpbethpnfgfg7dazli27mce2zeyulp7mdj6qpa._file

Verdict:

unknown

Result

Malware family:

guloader

Score:

10/10

Tags:

family:guloader downloader

Link:

https://tria.ge/reports/240406-h1hncadc21/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Loads dropped DLL

Guloader,Cloudeye

Unpacked files

SH256 hash:

3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

MD5 hash:

0d7ad4f45dc6f5aa87f606d0331c6901

SHA1 hash:

48df0911f0484cbe2a8cdd5362140b63c41ee457

Link:

https://www.unpac.me/results/e217e851-f373-4b3f-9465-c9717487acd7/

SH256 hash:

0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e

MD5 hash:

9dc6e6f488005a6ec8fb5cbba886a895

SHA1 hash:

52be39191db4a22ab8ad3f728619eb636a5011e3

Link:

https://www.unpac.me/results/e217e851-f373-4b3f-9465-c9717487acd7/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0920bc3a9993/report/overview.html

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

Threat name:

GuLoader

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/0920bc3a9993954c4c2f092677b4a629be306568d7d8226b24c516ffb069f41e

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::MoveFileExW KERNEL32.dll::MoveFileW
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

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