MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b0310aadb20b5fc4037757c5f8220261297f3747f2570e8d2816259e3f50a20. 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

SHA256 hash: 4b0310aadb20b5fc4037757c5f8220261297f3747f2570e8d2816259e3f50a20
SHA3-384 hash: 416e0ce076a116b667c0ef0c7530dcd320559ec7044a665478696684e848529c6870c8ccb25758125620710a170f3746
SHA1 hash: 72dad67e1dc4ab8de9960d0338910d9120619701
MD5 hash: 9c1671dd9569d7dbb33868caedf5b040
humanhash: equal-orange-saturn-glucose
File name:9c1671dd9569d7dbb33868caedf5b040.exe
Download: download sample
Signature GCleaner
File size:3'057'585 bytes
First seen:2023-04-23 06:33:09 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:zGlJfsh8OrjNcetGca5QlJi3RBxjVmpI7mznbY3qIrQe/rMRKx5Dk4dOOeneE5Wp:qxGmetGrq23RBxjVmu7OnbYaI9oCtdD5
Threatray 120 similar samples on MalwareBazaar
TLSH T125E5330623A0D43AD1609D737E3BC35DF67AFB2C6D36D85E76680A2D1E938A25D20317
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 :
259
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
9c1671dd9569d7dbb33868caedf5b040.exe
Verdict:
Malicious activity
Analysis date:
2023-04-23 06:33:58 UTC
Tags:
installer loader ransomware stop gcleaner stealer vidar trojan opendir cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 852276 Sample: QlvVfY2Zjc.exe Startdate: 23/04/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 10 other signatures 2->55 10 QlvVfY2Zjc.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-UUNAK.tmp, PE32 10->31 dropped 13 is-UUNAK.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 Rec422.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49693, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49694, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49695, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\7fm2yi9wsd.exe, PE32 16->29 dropped 20 7fm2yi9wsd.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
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-23 04:27:00 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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:
f441b76c4318e7543eae69c088afe3dd99d23e9dcba76ace4326550057740c15
MD5 hash:
67ef7fc2600f3326a69443dbb5354c01
SHA1 hash:
79a0aa2384306880a2b58959e9e785e0bffcc146
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
455ec705b00800e2b475017c116c2a24173b38d30e99655380dde4266a9992c0
MD5 hash:
62afaa5a456bc371457e453af9f61e8e
SHA1 hash:
cca98e406753ac5a8b0e0aa601d35e8dec429c95
SH256 hash:
c8bcc140df4dd7b2dfbf5495af3e2a65f115bfdf632d67abc2523b91201fe247
MD5 hash:
652597c1113f3e474bc234af9d4d47c0
SHA1 hash:
b43d05d65e30b0af88894f992cd46cda8bf5328d
SH256 hash:
8443e613bffe5bb66ca6ff9741d3654e3f853ecf829286cead9620feb9e1ff1b
MD5 hash:
68648dedc83fb88de94cc5b98d6402e3
SHA1 hash:
3ab8def17de376a7409a0619ad0bc2be4a7f6030
SH256 hash:
4b0310aadb20b5fc4037757c5f8220261297f3747f2570e8d2816259e3f50a20
MD5 hash:
9c1671dd9569d7dbb33868caedf5b040
SHA1 hash:
72dad67e1dc4ab8de9960d0338910d9120619701
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
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 4b0310aadb20b5fc4037757c5f8220261297f3747f2570e8d2816259e3f50a20

(this sample)

  
Delivery method
Distributed via web download

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