MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7. 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: 4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7
SHA3-384 hash: 83622430cee5ee709ea06cdffbee5c4e2460597dcbe180f6d12a85c12dd0ad614e10f96f93d53a8fb1b57eb26d457e19
SHA1 hash: 8dceb07853678dc09a257285ebfb89c261a83702
MD5 hash: dc14233281f6c0306264fbbf945b0fdf
humanhash: stairway-freddie-queen-venus
File name:dc14233281f6c0306264fbbf945b0fdf.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'155'238 bytes
First seen:2023-04-11 11:55:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:qrMyiMbTaRCawrzaBtNVRzt4YWRz+YgWSt:9A9a5z+vRzQWQ
Threatray 91 similar samples on MalwareBazaar
TLSH T1F7E5330106A654F3C5624A393F4BDFA4429EBD6D78309590B8EF35BA9F3768BC0DC621
TrID 48.2% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
35.6% (.EXE) Inno Setup installer (109740/4/30)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13097/50/3)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
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 :
252
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
dc14233281f6c0306264fbbf945b0fdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 11:56:03 UTC
Tags:
installer gcleaner loader ransomware stop stealer rat redline vidar trojan opendir cryptbot
Link:
https://app.any.run/tasks/99e112d0-fddd-414a-8c8c-742720d82b2c

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/381451/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77380/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
gcleaner greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64354ad4f40ab7ac37f95400/reports/159eea40-69b9-43ff-8303-072226b0952d/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332570
Link:
https://www.hybrid-analysis.com/sample/4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7
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/fdd6f41c-1199-49ef-9764-85d9a3b949d6
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211721
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: 844778 Sample: vRUwCYZ7vW.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 7 other signatures 2->55 10 vRUwCYZ7vW.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-3BR18.tmp, PE32 10->31 dropped 13 is-3BR18.tmp 11 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 Rec411.exe 23 13->16         started        process8 dnsIp9 41 45.12.253.56, 49706, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49707, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49708, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\HG29uXz.exe, PE32 16->29 dropped 20 HG29uXz.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-04-11 11:56:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijy7dlcljdqf4rzeqmvxuhiz7kkchwj4h24zl5vgwswq2dw2pl3q._file
Verdict:
malicious
Similar samples:
1dd38e375c52c69190bebe72918c886a1a3aaf35f78cbea57df74e20b379f96c
GCleaner
3855e86e415a59e0b4a3641ca1d0620c2ebc5832bec90ba30ff017848de0f50e
GCleaner
665687b64c26cd4019dd0e43415dd4978c2ed59c7c897462f3cd64c4920e380b
GCleaner
84cc827150e0aeb82f1e7b4abd98332c49b45be6ac8f4df9fbd516633c452d0f
GCleaner
8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1
GCleaner
924b13e4fefe20d456b9d6b602d4fd9a1f20baf806919d6e97b6994bfed72912
GCleaner
a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd
GCleaner
d4b1215d00377544c0f6deeb55ac22b61b242590bf0d5861d1cc5dd4ae22af8a
GCleaner
d4f6be2b386b1ded0cf214dd80e305916deefaa53d946f3dc049d8fdcda706a1
GCleaner
+ 81 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230411-n32f5acc28/
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:
d00ae7532b75bd4f52b29e2b7f14e1e77774b76d137c68e1fc60447dcf3c5720
MD5 hash:
7c6a07f1979947cb8cfda2de3cd0f785
SHA1 hash:
e24bd520da4d73b01fd066cd59dece07446f8a1d
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/4356078a-4bed-4944-b4e1-f82572b0f5be/
SH256 hash:
8645dc7fe885d50109f1980231dd96df55c1e09fd39a4575f54309e0e638c4b2
MD5 hash:
4fb4019cbe401d45346870a7e6b1eed4
SHA1 hash:
f1964e14b1c110b78038e933a33bb95d8473da3f
Link:
https://www.unpac.me/results/4356078a-4bed-4944-b4e1-f82572b0f5be/
SH256 hash:
d45c38ed241a4b25021ba4d2097d321007ab3f02009fa8697d6b23800c3d2f80
MD5 hash:
5dc4a038e54a41ca3caf3e1a217309a6
SHA1 hash:
0aa3a8adac11e4cab221f31f8f6f4e56cb942802
Link:
https://www.unpac.me/results/4356078a-4bed-4944-b4e1-f82572b0f5be/
SH256 hash:
4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7
MD5 hash:
dc14233281f6c0306264fbbf945b0fdf
SHA1 hash:
8dceb07853678dc09a257285ebfb89c261a83702
Link:
https://www.unpac.me/results/4356078a-4bed-4944-b4e1-f82572b0f5be/
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/4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7

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 4271f1ac4b48e05e4724832b7a1d19fa9423d93c3eb995f6a6b4ad0d0eda7af7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/381451/

Comments