MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24
SHA3-384 hash: 1b9cb4be5ee112e8a5b3d232910da5eeb9d18bd840eb26d0b9dbaa828642ae3dcb7b67bdc2165af481800988408afdec
SHA1 hash: 61997d1557cbe17761ecb431c66d2af113f905be
MD5 hash: 6c8b5b0284dee3c7c845d8b888fb120c
humanhash: bulldog-eight-whiskey-seven
File name:6c8b5b0284dee3c7c845d8b888fb120c.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'967'693 bytes
First seen:2023-03-06 11:36:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:AGEfC5hIX8oWM1WHFYicympnXLzAWl0S8ZRwZLqpDC1slTZ0w+GkZln2QjuiCOKz:dEfC5haBglYicymhbzjl0y1QhbsdCOKz
Threatray 2'213 similar samples on MalwareBazaar
TLSH T155D5333BD7E286B9D0D5AA742CEE8E290C273512FF28B01B34F4494F9A5AF875344785
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
6c8b5b0284dee3c7c845d8b888fb120c.exe
Verdict:
Malicious activity
Analysis date:
2023-03-06 11:43:30 UTC
Tags:
installer loader gcleaner stealer rat redline opendir cryptbot
Link:
https://app.any.run/tasks/aa6523a4-9a19-43f8-a9dd-d7e8bb3dad55

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/371945/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6405d06066e79c93ba0e338d/reports/d9f3053f-d9f4-48f0-bc7a-102e5305dc7c/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1251208
Link:
https://www.hybrid-analysis.com/sample/4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/43a86f63-60b6-476b-9258-95ec4108662e
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1188169
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 821045 Sample: BIzihsNrse.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 46 45.12.253.98 CMCSUS Germany 2->46 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 7 other signatures 2->54 10 BIzihsNrse.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-81J93.tmp, PE32 10->30 dropped 13 is-81J93.tmp 15 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->36 dropped 38 7 other files (5 malicious) 13->38 dropped 16 FRec36.exe 24 13->16         started        process8 dnsIp9 40 45.12.253.56, 49714, 80 CMCSUS Germany 16->40 42 45.12.253.72, 49715, 80 CMCSUS Germany 16->42 44 45.12.253.75, 49716, 80 CMCSUS Germany 16->44 28 C:\Users\user\AppData\Roaming\...\53MYGY5.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 53MYGY5.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-06 11:42:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j55jndge6s537l5ukjrvq2op5775cihtgcdieora4xxfexkztmsa._file
Verdict:
malicious
Similar samples:
01562b11a1850d7ca700e3f56813608c3ddb96964ac93aa441466275a2c0befa
GCleaner
14acfa9f01f0893a67fc56ff86bf859428c0d25c6bc7a3c7eac2d78b7fd813e1
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545ba25a5a64431ef016a4c637542d2ccc6197eb57b550bf6f3ee9c5e467b75b
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57d1efb1caef7b6c2110a578114000fe949b48004f5eb380c3a09726c0952304
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5b06a1d47febc51608577e8827a61ae277ac79a5d4beeeab6bc1ddd6b9a88077
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80c23d3e20447c98454bb10ff5408b0c3540d7ee52f8c8f0feaa42cc00a66eee
GCleaner
86a1d5c55b17007a02cc79abbcae676cd83002dc027e10d4992634033402b30e
GCleaner
9a30eba2ab71b1a2c246b3347ae5504785e2a4b529e74b40c83c6a5711a806a6
GCleaner
9fba8733adf4186bd258da008bc4ba26e72e871fa6df2815d8a2ce2c9eb4d451
GCleaner
a0cfcaa3c8a631ea21d343f051b80c7973de9bdc2dd624ed6f6799d442e2d271
GCleaner
+ 2'203 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230306-nq5ysacb29/
Behaviour
Kills process with taskkill
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
5e08fcee98f6c63760455fd96fbaa865014b5730233c727bd73502e0710b8507
MD5 hash:
fa9a7dcb443fc57253c90494b0adb99f
SHA1 hash:
1954092752137916f0461d0b0a3f3599627e501e
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/12a6859b-22bf-4e23-99cf-da21b7c06003/
SH256 hash:
f09a242c89c06a1162bcba2d491b6e85a3c03951eaa95473f4ca340e4a0466cb
MD5 hash:
8fb972ea0c7540ec92cc093657ec046e
SHA1 hash:
d1a7083a08d40f34e77ec943c2e5fae4a250312e
Link:
https://www.unpac.me/results/12a6859b-22bf-4e23-99cf-da21b7c06003/
SH256 hash:
47b1683fbb5ae35c4d6465810463258371dfee94e535bb5e939c83a7679b39d3
MD5 hash:
a5f400d3052e925c34cfc36f15780fef
SHA1 hash:
30a4e6542790bd10245f52f2e93b8bdc8dc301c6
Link:
https://www.unpac.me/results/12a6859b-22bf-4e23-99cf-da21b7c06003/
SH256 hash:
4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24
MD5 hash:
6c8b5b0284dee3c7c845d8b888fb120c
SHA1 hash:
61997d1557cbe17761ecb431c66d2af113f905be
Link:
https://www.unpac.me/results/12a6859b-22bf-4e23-99cf-da21b7c06003/
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/4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

Web download

GCleaner

Executable exe 4f7a968cc4f4bbbfafb452635869cfefffd120f33086823a20e5ee525d599b24

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/371945/

Comments