MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308b9d686f10b6164f3334c657fdefb82cd9209845e50b78679452db9cd08368. 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


GCleaner


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 308b9d686f10b6164f3334c657fdefb82cd9209845e50b78679452db9cd08368
SHA3-384 hash: b81c3b4a3f0f469ccc00bbb5bc618947a701137f985e52299f0831d5c72f5e4aa58238e77f7ec91d20b1001ec71ab053
SHA1 hash: 2df830a4c357f7617fbdaf3f6a4b911a386f9719
MD5 hash: 44ef10541424c5aff878c9c2e11e9149
humanhash: monkey-kitten-north-texas
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:389'632 bytes
First seen:2022-08-30 16:18:04 UTC
Last seen:2022-09-10 15:18:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e75aaa0267fcaf6af25952a67bfca3e0 (3 x Smoke Loader, 2 x RedLineStealer, 1 x GCleaner)
ssdeep 6144:r+GYSc5lXyx6Z2sATrvM/aThwWtf3dlcSLgjvwUUQlxF/9t1rSFtGc1FFPdTbnj0:qGY8TSGfNqSLmvwUNF/3NCBFPdTP20zs
TLSH T19484BF00AB90C431F8B752F495B69368B83E7EE15B6450CF52E41AED5739AE1EC3039B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 26e0d8d0c8d8d8d0 (1 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from https://vk.com/doc572676066_643727180?hash=bXuJZGBcPAXW4VdzyGkjALUGioSqOn27SnXnwD6n6kH&dl=GU3TENRXGYYDMNQ:1661876208:CyL9zgQsTqysGVCpegV5LANcfSa46HqwkcjlMZ6WI5L&api=1&no_preview=1#mixinte

Intelligence

File Origin
# of uploads :
90
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-08-30 16:18:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/438d8263-5948-4a44-9e87-189027fd8037

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/302610/
Detection(s):
Win.Malware.Pwsx-9964521-0
Create hunting rule

Win.Packed.Pwsx-9965190-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file in the system32 subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/30883/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed smoke
Link:
https://www.filescan.io/uploads/630e38655e025f2e7b0328e8/reports/1073f590-3848-4b37-bcd2-e16b6c864341/overview
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/7299b831-1870-49e7-8928-5b0b6a91a5e0
Result
Threat name:
Nymaim, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1060653
Signature
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/308b9d686f10b6164f3334c657fdefb82cd9209845e50b78679452db9cd08368/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-08-30 16:19:07 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcfz22dpcc3bmtztgtdfp7ppxawnsieyixsqw6dhsrjnxhgqqnua._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim trojan
Link:
https://tria.ge/reports/220830-tsg8dsdag5/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
NyMaim
Unpacked files
SH256 hash:
9e4f5eebd4b8cda8f6a2e34850bdb1c787977b4d9c4fb5cb2ab807bfb7350fa5
MD5 hash:
4d346124840fb83c5f0cc7c33d587fc6
SHA1 hash:
368ad4ebe9f05d1ba2167abb6e619a956844933c
Detections:
win_nymaim_g0
Create hunting rule
Link:
https://www.unpac.me/results/2aad9b54-6371-4304-82e3-eef2ce59da81/
Parent samples :
9540644badb4ec500490208a70d40ff29d31616e27be15714745c76130a7081f
b52b963f2cab290ff855244f4c137895e948f70eef1758726cbb7a213422fc7a
376fc33d5c20c6e1efea6f48107b7d47cb495bee30ee4399a8c8414cb4e3cd25
75853bf35de8c920a0677e8cecac41996442b91e2f356cb6b1c99bc5484d93eb
66fc0aa6891f78a1bdac72ec1df7e741a50149483866e9908cd23f17129168f0
c90bfe9e250fc2c0e919ddafbc339650f1c0dba946eef6f5be2c1a5495d423f1
b662b543993363a471ac9782d6283eb8ab31f719aac37e7232446365ce6d4814
d4c083507b17a513e245b71d9d6b1b6fb94dcf5088f1d424cdc8f100e5b35281
5ead35ef9d42c2d687ae376a6fed4aace3812a047b629a2cf52c6baa8a10a556
17057d67afff5ff9bfc15ab93f6d5e1c2052c35eb8532117795b491e4e8957f9
0b29c27842c6e5d8ac7fd76318855ed32bdea6d98ab085d60ebef2870a8c012f
9ba5d1ef1463744611330846a585f8c536a1897f84ad9a606a40c6fd19941d31
e5212f777d9dd317c18d50c5fa6a31c1370cd63bc59e9c01a3364caceb52b6c7
efe0742345c9ba2a1ea7077966b34c3ef14010415b4d8158d41b84487f07e78c
73bde03add63bcab4ae7a671d47f05eb223b4cd65e4599d3bd66cc57418367e8
182d2a3a25313c6285e8e7faaafd51641b4da014cfbbb4637e6c090bb9487ef6
c95772a3c786a43f3bb71d6575f37ebfcc4dc03720270ec58bf0a27a202be691
cc99441832427a9ae4e2b67860bbbaddf91ca20e6c063b8fee429d8a4b8c19e1
308b9d686f10b6164f3334c657fdefb82cd9209845e50b78679452db9cd08368
SH256 hash:
308b9d686f10b6164f3334c657fdefb82cd9209845e50b78679452db9cd08368
MD5 hash:
44ef10541424c5aff878c9c2e11e9149
SHA1 hash:
2df830a4c357f7617fbdaf3f6a4b911a386f9719
Link:
https://www.unpac.me/results/2aad9b54-6371-4304-82e3-eef2ce59da81/
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/308b9d686f10b6164f3334c657fdefb82cd9209845e50b78679452db9cd08368

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/
Cape
Cape
https://www.capesandbox.com/analysis/302610/

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