MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab85d237bee85a4e9d28f837e04d0d45ce410705e2dbdbe7c6c64f7716614d0a. 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: 12

Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash:	ab85d237bee85a4e9d28f837e04d0d45ce410705e2dbdbe7c6c64f7716614d0a
SHA3-384 hash:	cfd686f7ca19c028268c50c4a9c146ae319cbcc4d4077228af21e50aee196ff4170329afe1a741ccbfb1cf69991cec4b
SHA1 hash:	69c627c851f0064e5209431882fda6dbf68fb701
MD5 hash:	ae340bfc442660f131a75fff9f357219
humanhash:	michigan-november-mexico-arizona
File name:	OVERDUE.EXE
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	356'768 bytes
First seen:	2023-07-12 06:31:59 UTC
Last seen:	2023-07-12 13:07:36 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep	6144:NhtyHU3lxVrDN4pAmdoDimE+6TK5j4D/2d4Q4SOCBazg95ccbsc+sbiuiJ:NhrrDqpAmCDi06TK5j40kSOCEk9dsfsO
TLSH	T1DB7412527230D863C6F59BB24C3A4B36197B2D6B21B12B4F2310B99D7A37341DA0D7A7
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):
dhash icon	9082b2b29280b0a0 (1 x GuLoader)
Reporter	cocaman
Tags:	exe GuLoader payment signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:	sha256WithRSAEncryption
Valid from:	2023-06-02T02:45:40Z
Valid to:	2026-06-01T02:45:40Z
Serial number:	51b83bd850c7f3941474b3df38aa2510f3bcf095
Thumbprint Algorithm:	SHA256
Thumbprint:	7053c1c764fe4d63e0179e1e35669c7b48ac35c8c968156e95ab64792bc70132
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

272

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ab85d237bee85a4e9d28f837e04d0d45ce410705e2dbdbe7c6c64f7716614d0a.exe

Verdict:

Malicious activity

Analysis date:

2023-07-12 06:34:19 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/59c7be72-b9f2-45b7-bbb6-a682a56dcdb7

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/416369/

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% subdirectories

Searching for many windows

Creating a process from a recently created file

Launching a process

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/97234/overview

Behaviour

MalwareBazaar

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

control lolbin masquerade overlay packed shell32

Link:

https://www.filescan.io/uploads/64ae48e4b1d2dc145c1c6db5/reports/f4addf89-06d0-4d03-ae24-a90d20bf6644/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/ab85d237bee85a4e9d28f837e04d0d45ce410705e2dbdbe7c6c64f7716614d0a

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:

Malicious

Link:

https://analyze.intezer.com/analyses/fd923810-7fc9-447e-971b-7136c446b843

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ab85d237bee85a4e9d28f837e04d0d45ce410705e2dbdbe7c6c64f7716614d0a/

Threat name:

Win32.Trojan.Guloader

Status:

Malicious

First seen:

2023-07-12 03:19:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 37 (51.35%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=voc5en565bne5hji7a36atinixhecbyf4ln5xz6gyzhxoftbjufa._file

Result

Malware family:

guloader

Score:

10/10

Tags:

family:guloader downloader

Link:

https://tria.ge/reports/230712-hamjlscc27/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Checks QEMU agent file

Guloader,Cloudeye

Unpacked files

SH256 hash:

ab85d237bee85a4e9d28f837e04d0d45ce410705e2dbdbe7c6c64f7716614d0a

MD5 hash:

ae340bfc442660f131a75fff9f357219

SHA1 hash:

69c627c851f0064e5209431882fda6dbf68fb701

Link:

https://www.unpac.me/results/0637148f-9f7a-485c-a1e2-781d5f71fdc0/

Malware family:

GuLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ab85d237bee8/report/overview.html

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.