MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01. 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 3 File information Comments

SHA256 hash:	7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01
SHA3-384 hash:	3b9791d0379a73cce4367452d5ad79109ad0e2a0383f5a254f1b1928226551f078a9b5e4dd9f27bf7dc46225475bb480
SHA1 hash:	7fd1863c1b93bfed570d8c4a568588602f9eb9b2
MD5 hash:	a1a79b7bfaac98effcf720ecb0822d5c
humanhash:	chicken-salami-alpha-iowa
File name:	7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	287'280 bytes
First seen:	2024-06-04 09:37:14 UTC
Last seen:	2024-06-04 10:37:01 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep	6144:W6bAcJKbIqum9yjtMYRYCSknyb2nB8Ibha0dnNhr:luktm9yjRWkyb2uA7x
TLSH	T1915412103110D49FE5A37DB0982BFB37EF81D9652C689A8B93CB379EBD31381994E544
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	b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter	adrian__luca
Tags:	exe GuLoader signed

Code Signing Certificate

Organisation:	Bartolomuss
Issuer:	Bartolomuss
Algorithm:	sha256WithRSAEncryption
Valid from:	2023-11-18T00:55:55Z
Valid to:	2026-11-17T00:55:55Z
Serial number:	5830a2a48055f32d5c0f1466d1dc95d1782530b4
Thumbprint Algorithm:	SHA256
Thumbprint:	c01e84c2b4cab2b3d18b61a910aac6186ed28317452aa3ee57de51ceb159dd3a
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

337

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01

Verdict:

Malicious activity

Analysis date:

2024-06-04 09:37:28 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/04c69b8e-4733-430a-9adc-251fdc682edb

Note:

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

Detection(s):

SecuriteInfo.com.Win32.Evo-gen.15102.24079.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=665eec4cab69e84d6a2f5974win7simulatehigh_evasion

Tags:

Encryption Static Stealth Malware

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Creating a file

Creating a file in the %temp% directory

Delayed reading of the file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

installer lolbin microsoft_visual_cc overlay packed shell32

Link:

https://www.filescan.io/uploads/665ee07f0bf5978c0b0c054f/reports/9a4bbf3d-d779-47b5-a139-b5ec684fa469/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01

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/7978d689-bf11-4409-90f4-23f529fe80bc

Result

Threat name:

GuLoader

Detection:

malicious

Classification:

troj.evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1451628

Signature

AI detected suspicious sample

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Tries to detect virtualization through RDTSC time measurements

Yara detected GuLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-05-15 06:11:43 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 38 (44.74%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=poucixdwf7qdjromam2jsnvar355wzlrtcfruonyilux4u3sfmaq._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

7/10

Tags:

n/a

Link:

https://tria.ge/reports/240604-ll2pfscg88/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Loads dropped DLL

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/6778f84f-e359-4ff7-bbad-e18af33df4da

Unpacked files

SH256 hash:

c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

MD5 hash:

9625d5b1754bc4ff29281d415d27a0fd

SHA1 hash:

80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

Link:

https://www.unpac.me/results/1f65db29-d10b-49f3-b786-ea921335c37d/

SH256 hash:

7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01

MD5 hash:

a1a79b7bfaac98effcf720ecb0822d5c

SHA1 hash:

7fd1863c1b93bfed570d8c4a568588602f9eb9b2

Link:

https://www.unpac.me/results/1f65db29-d10b-49f3-b786-ea921335c37d/

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/7ba8245c762fe034c5cc03349936a08efbdb6571988b1a39b842e97e53722b01

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:	NSIS_April_2024 Create hunting rule
Author:	NDA0N
Description:	Detects NSIS installers

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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_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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