MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afd873af8f8a118144330827448c3033dc025ea24aa40d0754d371bd6e30f719. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	afd873af8f8a118144330827448c3033dc025ea24aa40d0754d371bd6e30f719
SHA3-384 hash:	98f7022394cab441779845f7fd7f1e5979911c58a8e3123b54dc47eabde10a5bb3287c315a6b5ba815f219c64a753f95
SHA1 hash:	fc06c176284eb8fb76818f62ded1d2600486e9fc
MD5 hash:	d4aad4f9f1edce457737e33a343628e9
humanhash:	emma-moon-single-xray
File name:	SALARY RECEIPT.rar
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	309'447 bytes
First seen:	2023-02-16 13:37:44 UTC
Last seen:	2023-02-16 13:45:33 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	6144:uvcs2kRkEgWttpAoNEyR3z20zvLhRyd7XB6FwVq3Y7U:uv80kEgWt3uxMooz
TLSH	T1FD64234367B1FA24D04256ACDBAF87CE3714176849B72A93DBA3388C7D0C6827BF4461
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	GuLoader rar

cocaman

Malicious email (T1566.001)
From: "Hr-Manager asfo.ch <Hr-Managerdep0@consultant.com>" (likely spoofed)
Received: "from ns-1052.awsdns-03.org (unknown [65.60.40.103]) "
Date: "16 Feb 2023 13:42:37 +0000"
Subject: "YOUR EMPLOYMENT STATUS FOR REDUNDANT LEAVE "
Attachment: "SALARY RECEIPT.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	SALARY RECEIPT.exe
File size:	404'432 bytes
SHA256 hash:	c4551e042ed762ccdfb8b20b3f0f9bcc7291a13644a3b0e0335b7e4bedf8e67d
MD5 hash:	f6f7e44220df2d71029ad52c2b738eaa
MIME type:	application/x-dosexec
Signature	GuLoader

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Rogue.0hr.20230216-2035.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

buer guloader overlay packed shell32.dll

Link:

https://www.filescan.io/uploads/63ee31bb8b045c831fba1d43/reports/2a5f63e3-f1d8-43f4-9e61-9d48cf80b3e1/overview

Verdict:

Malicious

Link:

https://www.hybrid-analysis.com/sample/afd873af8f8a118144330827448c3033dc025ea24aa40d0754d371bd6e30f719

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/afd873af8f8a118144330827448c3033dc025ea24aa40d0754d371bd6e30f719/

Threat name:

Win32.Trojan.GuLoader

Status:

Malicious

First seen:

2023-02-16 11:53:21 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

5 of 25 (20.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=v7mhhl4priiycrbtbatujdbqgpoaexvcjksa2b2u2ny323rq64mq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/230216-qz83xahd3z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Program Files directory

Checks installed software on the system

Loads dropped DLL

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

Threat name:

Suspicious File

Score:

0.43

Link:

https://yomi.yoroi.company/submissions/afd873af8f8a118144330827448c3033dc025ea24aa40d0754d371bd6e30f719

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.