MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2
SHA3-384 hash: 592da64b1eb9ae7c39f94f1372637d758cf8e43e8ed99ba724076b28210392f6a3c8b0641f3eb80c161a4a872cbda82c
SHA1 hash: c37e1d45acdd1a214242a9920c0ae3cc2cfebbcb
MD5 hash: f6c028bb8861c74068b0bb1d2a268f13
humanhash: march-seventeen-batman-yankee
File name:f6c028bb8861c74068b0bb1d2a268f13.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'164'854 bytes
First seen:2023-05-30 10:19:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e92b45c54aa05ec107d5ef90662e6b33 (363 x GCleaner, 38 x Socks5Systemz, 3 x Backdoor.TeamViewer)
ssdeep 49152:Ci2fUYyd0vUK3QipNj4WhUb+9H8Ehfxjos22X8xjs8wuP:CimNUK3Tnj4WhUbWxhxoIMK+
Threatray 3'793 similar samples on MalwareBazaar
TLSH T1A4A5335AD2AA85F7E749DA37EC7946703D26FE948020258E35C4EEEF19232941D1333E
TrID 82.8% (.EXE) Inno Setup installer (109740/4/30)
10.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.4% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Generic Win/DOS Executable (2002/3)
1.5% (.EXE) DOS Executable Generic (2000/1)
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 :
245
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f6c028bb8861c74068b0bb1d2a268f13.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 10:20:16 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/25923a09-f5ff-4e46-ab6a-7aa8a65a4dac

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/393474/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

SecuriteInfo.com.Downloader.Generic7.ITV.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
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6475cdd56407f39ba8add639/reports/bbd2ae6c-9c4c-4693-a9c7-3f6d0a9cf229/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2
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:
Conti
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ec208fc-d049-49a1-8686-81075525ad18
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1245194
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)
Found malware configuration
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: 878204 Sample: K0zAFb4x67.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 K0zAFb4x67.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-FDG31.tmp, PE32 10->31 dropped 13 is-FDG31.tmp 10 23 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 5 other files (4 malicious) 13->39 dropped 16 Rec529.exe 22 13->16         started        process8 dnsIp9 41 45.12.253.56, 49697, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49698, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49699, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\9LhF7J.exe, PE32 16->29 dropped 20 9LhF7J.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/c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-30 03:43:56 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqaam5qdyezmpvxmcf2qzkog72o5xgy4s2brzwsux5il7j5qdxza._file
Verdict:
unknown
Similar samples:
1e318a523cb5a76b7ca21cface9d2c638c1eb615ac4ed06f5eaca67ff0bba9a9
GCleaner
2c735da73853ebc6bc1729c0d2ddabc4ac2d77dd6c88ec169bce9c141a4072a4
GCleaner
5c295da5dcc1e6ca1ffbe68e78ea32cf99854f183c65ead50337d520444bdce6
GCleaner
8db1731a7a729345d0185861d3909e68d431f57cfa4c7357eebedf7eeb39abcd
GCleaner
9bba213d8c710d947cbd8c68897d870e7d92772f0e030cdde4d606ee54851e5a
GCleaner
aad5ad5b787b03acd7dd5e24e375947b0754161b5eef5cbcdceb36ec1c9acb28
GCleaner
c07572117f9dda3d61518694a205940da38d6d0baef87df01deacdefefe6fd81
GCleaner
ddb5ba02620ff537ab1fa4de5db434bd155fa3cc288d1a7e5c15422b493fdc81
GCleaner
e262e47a76916a2f919373cd4ba175953e9a81687ea27e03c4d5e998b65ee9b4
GCleaner
e5447818976ad7af2ae55ccee4baab64d2a76ce8bcd43654ca8361dc19c91ad4
GCleaner
+ 3'783 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230530-mc4ccsha32/
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:
6c0cb70e31ee1d6e79ba2b86ecd31cb9588262f9cd403d3cb7af042b730273ae
MD5 hash:
644a380657ac33835d813fa5d2fcbc35
SHA1 hash:
ac06b1165871854d0a83d97753f880f458015aad
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/da89af55-413e-4a95-be0c-31bca512c471/
SH256 hash:
04ed5c8887fd50b713abb34e171004ad4b9cb058b8acc2e23c431f9747ed58dd
MD5 hash:
a0cfecbada8699be20c0f6b68c931dc0
SHA1 hash:
b60d6a039d4d22c3a5c04a534bab2df087c03461
Link:
https://www.unpac.me/results/da89af55-413e-4a95-be0c-31bca512c471/
SH256 hash:
64dd02434b10fcb7249cd1a21a39a5ca7a98daf78c6d1bdc1f0b24dd57ea0a9b
MD5 hash:
dc91fc9660abeb0eee59cc7df5056480
SHA1 hash:
825e8f50133fd72d957c66dd40c4c42a9ef40d59
Link:
https://www.unpac.me/results/da89af55-413e-4a95-be0c-31bca512c471/
SH256 hash:
c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2
MD5 hash:
f6c028bb8861c74068b0bb1d2a268f13
SHA1 hash:
c37e1d45acdd1a214242a9920c0ae3cc2cfebbcb
Link:
https://www.unpac.me/results/da89af55-413e-4a95-be0c-31bca512c471/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2

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 c400067603c132c7d6ec11750ca9c6fe9ddb9b1c96831cda54bf50bfa7b01df2

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/393474/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download

Comments