MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cebcdf638a21d4a60d440cc6a4051eb798c387cd2a2ec8d193e99e6acf77d4ac. 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: cebcdf638a21d4a60d440cc6a4051eb798c387cd2a2ec8d193e99e6acf77d4ac
SHA3-384 hash: 904d4b8b453f9206672daa06e7c771f5dcd2991fd1f81a28aa4b2c526923ad1cde05c2c9973e8d04a1416c08e8e8af35
SHA1 hash: 44ad4f5729d1ed3325317ee1495dd26d788c784b
MD5 hash: a90c00ba16f7c3848692da8fe6697db2
humanhash: blossom-minnesota-aspen-foxtrot
File name:a90c00ba16f7c3848692da8fe6697db2.exe
Download: download sample
Signature GCleaner
File size:2'535'556 bytes
First seen:2022-10-20 16:34:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'456 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2hvVmqqnakQbBUX6TLWbTDgV9cxGa66Ivelmi0U7FSQmVLl7TWV6/GxA5hq:MxVm1nakQbeKubIV9sGWIvqf0UpHmVZA
TLSH T16BC53313CE846A75C053D8B0DC0F4821E6AAFB53AC7EB017D4AC5AAD4F674C2D08D7A5
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 :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a90c00ba16f7c3848692da8fe6697db2.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 16:36:21 UTC
Tags:
installer

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
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
DNS 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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Result
Verdict:
SUSPICIOUS
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 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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 726980 Sample: 1WuSeKC9NU.exe Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 10 1WuSeKC9NU.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-OSEQO.tmp, PE32 10->31 dropped 13 is-OSEQO.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 elsearcher54.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49712, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49713, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49711, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\TuNwvy.exe, PE32 16->29 dropped 20 TuNwvy.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2022-10-20 14:36:25 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 42 (38.10%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0a89dd4b9583f0aa3fc6394d495e8cc6388f50ac8b7eef6dff92d163f0885f18
MD5 hash:
f4c4fe1815426dbdb3811100944c0f84
SHA1 hash:
67dcd600d5bad183b367a2361008a0e11aa4baee
Detections:
win_nymaim_g0 win_gcleaner_auto
SH256 hash:
491d8a291e8bfbe1c75f179a4edd087766e518d3f353e0ee1414c202acc2008f
MD5 hash:
804a516bd21396d90e4bdb48deeffb07
SHA1 hash:
793465129e79582b65c696499492d8af3f8e7739
SH256 hash:
cebcdf638a21d4a60d440cc6a4051eb798c387cd2a2ec8d193e99e6acf77d4ac
MD5 hash:
a90c00ba16f7c3848692da8fe6697db2
SHA1 hash:
44ad4f5729d1ed3325317ee1495dd26d788c784b
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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 cebcdf638a21d4a60d440cc6a4051eb798c387cd2a2ec8d193e99e6acf77d4ac

(this sample)

  
Delivery method
Distributed via web download

Comments