MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21aae3b5858a7847209d808316c742eee59080d0999ace4c1b7ff4c03c6072f8. 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 3 File information Comments

SHA256 hash: 21aae3b5858a7847209d808316c742eee59080d0999ace4c1b7ff4c03c6072f8
SHA3-384 hash: 5ddc564ec9afa106ae473fe6c93839bbe0d1d14927167c4c81b6566788ddab16641728e3160643c4c108f9fab514620b
SHA1 hash: 9aacc01d979dc768e9de2f31766c1d1f30efd0e0
MD5 hash: 8cf58eb83d5a060190cd796c301ed34b
humanhash: victor-seventeen-one-massachusetts
File name:8cf58eb83d5a060190cd796c301ed34b.exe
Download: download sample
Signature GCleaner
File size:2'685'105 bytes
First seen:2023-06-26 05:48:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'452 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:tG/qz0PLIfDCRkDNDHdePgbtSNGu7xWCLlz0ZQIACGcd16Fxh:ICz0P8LCGJD92gJSPMCped167h
TLSH T150C5028DAB564C51D87C1A744E53C97983121EAE1AB1C59F38FAFE0737BF093102B698
TrID 61.1% (.EXE) Inno Setup installer (109740/4/30)
23.9% (.EXE) InstallShield setup (43053/19/16)
7.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.5% (.EXE) Win32 Executable (generic) (4505/5/1)
1.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon f0e896f4b0e8caf4 (1 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8cf58eb83d5a060190cd796c301ed34b.exe
Verdict:
Malicious activity
Analysis date:
2023-06-26 05:51:32 UTC
Tags:
installer gcleaner

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
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcleaner greyware installer lolbin 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 894249 Sample: hsk6Q0e5eH.exe Startdate: 26/06/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.75 CMCSUS Germany 2->42 44 45.12.253.98 CMCSUS Germany 2->44 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 7 other signatures 2->54 9 hsk6Q0e5eH.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-AA0MA.tmp, PE32 9->30 dropped 12 is-AA0MA.tmp 12 103 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 FreeSpacer626.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 46 45.12.253.56, 80 CMCSUS Germany 15->46 28 C:\Users\user\AppData\...\xSPIX9BjZ.exe, PE32 15->28 dropped 21 xSPIX9BjZ.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 56 Multi AV Scanner detection for dropped file 21->56
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-06-26 05:49:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
c4e89ad01e68d938b7d32f8ad0ac3ed45134d99ac852eeba2cebdfdc7d50ed0c
MD5 hash:
4e9895c9f678fcb18ae13344ff024360
SHA1 hash:
021b7e06dd9d40a0654144093b966e3fa5aefa7e
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
7a45ff6547592044aa2affaab46d20b489db8c25cf2a2b40b2325c09384097e1
MD5 hash:
4a07ff2e8001358eb341f2ac9bfa2d20
SHA1 hash:
9d8018b3f2ff631b146bf24f2b79a3d12429fa2c
SH256 hash:
5293e1f5e47695a383d92c3643960004a0039513e02c3d9590233b2f99608911
MD5 hash:
cce805579ca38b397d9d8e1f59f71433
SHA1 hash:
518da3e3f417ed4670647cf4a9d1933d765f6b13
SH256 hash:
c4e89ad01e68d938b7d32f8ad0ac3ed45134d99ac852eeba2cebdfdc7d50ed0c
MD5 hash:
4e9895c9f678fcb18ae13344ff024360
SHA1 hash:
021b7e06dd9d40a0654144093b966e3fa5aefa7e
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
7a45ff6547592044aa2affaab46d20b489db8c25cf2a2b40b2325c09384097e1
MD5 hash:
4a07ff2e8001358eb341f2ac9bfa2d20
SHA1 hash:
9d8018b3f2ff631b146bf24f2b79a3d12429fa2c
SH256 hash:
5293e1f5e47695a383d92c3643960004a0039513e02c3d9590233b2f99608911
MD5 hash:
cce805579ca38b397d9d8e1f59f71433
SHA1 hash:
518da3e3f417ed4670647cf4a9d1933d765f6b13
SH256 hash:
c4e89ad01e68d938b7d32f8ad0ac3ed45134d99ac852eeba2cebdfdc7d50ed0c
MD5 hash:
4e9895c9f678fcb18ae13344ff024360
SHA1 hash:
021b7e06dd9d40a0654144093b966e3fa5aefa7e
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
7a45ff6547592044aa2affaab46d20b489db8c25cf2a2b40b2325c09384097e1
MD5 hash:
4a07ff2e8001358eb341f2ac9bfa2d20
SHA1 hash:
9d8018b3f2ff631b146bf24f2b79a3d12429fa2c
SH256 hash:
5293e1f5e47695a383d92c3643960004a0039513e02c3d9590233b2f99608911
MD5 hash:
cce805579ca38b397d9d8e1f59f71433
SHA1 hash:
518da3e3f417ed4670647cf4a9d1933d765f6b13
SH256 hash:
21aae3b5858a7847209d808316c742eee59080d0999ace4c1b7ff4c03c6072f8
MD5 hash:
8cf58eb83d5a060190cd796c301ed34b
SHA1 hash:
9aacc01d979dc768e9de2f31766c1d1f30efd0e0
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 21aae3b5858a7847209d808316c742eee59080d0999ace4c1b7ff4c03c6072f8

(this sample)

  
Delivery method
Distributed via web download

Comments