MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248
SHA3-384 hash: 49854e1428311dd2a0246207b27eb9b2944613d56b8249d98e447412d984cf80c2a654658c60a34e947faf0042fa6df1
SHA1 hash: ca01aa1a8b599d7a1392aeacdbf7ebc0e0fd530c
MD5 hash: 931396125b7a8f93333be3738da15ca8
humanhash: texas-aspen-jig-butter
File name:Renes.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'467'126 bytes
First seen:2023-10-09 17:30:30 UTC
Last seen:2023-10-10 18:26:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (198 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 24576:eZmBzE7Ej+LmMRI9y33nFWKq8WucI+9vrc6NlrBe7pyIvR5V1e:6mQEj+TI9y33ndcI+9vrcode1yWRP1e
TLSH T18B6512D37E084DB6F8295030641B09A3E7756FBFE681193A3199FE2B4C7226B460E53D
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):PE icon
dhash icon 70e4b2a9a9b2c071 (7 x GuLoader)
Reporter Racco42
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
3
# of downloads :
318
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.Injector.TJKC-7489.3931.5127.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/652438d8f5e3ca1b0163b0b6/reports/9af7f049-2646-4fa3-aee7-d5285e5aac6f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/6afd393c-9fcb-4cb2-a48a-b5cf5e7bedc2
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1322347
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queues an APC in another process (thread injection)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-10-09 09:10:04 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
10 of 23 (43.48%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n53ktjchh4e3qslk2zokmp76yla2kz2bp2kmucbowp255aqtojea._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231009-v3pkwsfa7x/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
Link:
https://www.unpac.me/results/94fd914d-d40c-452e-965d-651b51324df1/
SH256 hash:
6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248
MD5 hash:
931396125b7a8f93333be3738da15ca8
SHA1 hash:
ca01aa1a8b599d7a1392aeacdbf7ebc0e0fd530c
Link:
https://www.unpac.me/results/94fd914d-d40c-452e-965d-651b51324df1/
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/6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

GuLoader

Executable exe 6f76a9a4473f09b8496ad65ca63ffec2c1a567417e94ca082eb3f5de82137248

(this sample)

  
Delivery method
Distributed via e-mail attachment

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