MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf7ffac8a57044a3fb2d8872496b97140417b21587d44b0788af55eceac570c2. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf7ffac8a57044a3fb2d8872496b97140417b21587d44b0788af55eceac570c2
SHA3-384 hash: 4a1dd701d2a280b39abe9af0fc133db7b1f73831d7db697e401acb63c86b9c74a4c2613c88d0a86c98102c888df2b18f
SHA1 hash: cbfd88a49b5f563661c6dac9eee85910786f99bc
MD5 hash: dbf1ff622fe13e1d688fd7026f56bdc0
humanhash: pizza-mississippi-papa-alaska
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'358'864 bytes
First seen:2023-01-28 09:01:18 UTC
Last seen:2023-01-28 10:00:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+u//0AkgsquxO/ME0YFnRSMVMc37VUjdGuFS3UUqh5LCgv2MR:hug+4/PkgsrO/ME0yRSkFGRNSkXbv2MR
TLSH T154B5335AB694CAFDC817C1F97A34A554DBA2FF8F013D41263254B3CD5F2133094ABA8A
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71f0e0ccccf0f0f0 (204 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
27
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-28 09:04:15 UTC
Tags:
installer
Link:
https://app.any.run/tasks/1feb664d-8df2-4e23-bc63-5d614df8eb09

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/357704/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
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
Sending a custom TCP 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/63619/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d4e48cfcc41339192ecd57/reports/a6d74ed3-aa99-4f03-a599-32396fdf841d/overview
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/10d9a229-9d0f-45cd-b4d7-d489c5fc1d62
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160738
Signature
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 793472 Sample: file.exe Startdate: 28/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49703, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49704, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49705, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\9aaHz.exe, PE32 17->30 dropped 21 9aaHz.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf7ffac8a57044a3fb2d8872496b97140417b21587d44b0788af55eceac570c2/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-28 09:02:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z577vsffobckh6znrbzes24xcqcbpmqvq7kewb4iv5k6z2wfodba._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230128-kze7yafh61/
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
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:
a9fe38950d82cffcc5d3ef72c222ade62429c7d184cfddc69a58f9b4d6a24332
MD5 hash:
eeaa1a7c5ccbaf6519290b2562bfb3be
SHA1 hash:
44690e00d5d1618a102808812fd9e1bb6569245e
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/954136ac-6e9d-49ff-bff9-e6c472e2e1e1/
SH256 hash:
c8bcc140df4dd7b2dfbf5495af3e2a65f115bfdf632d67abc2523b91201fe247
MD5 hash:
652597c1113f3e474bc234af9d4d47c0
SHA1 hash:
b43d05d65e30b0af88894f992cd46cda8bf5328d
Link:
https://www.unpac.me/results/954136ac-6e9d-49ff-bff9-e6c472e2e1e1/
SH256 hash:
41d8a0e689f2c23b341fd4f0ea5b561c0cc6aabe44ae5bad0b9c0cb3b9068ce0
MD5 hash:
aebfc3a9e724b9504db7f29482e615e8
SHA1 hash:
797eaa6be8d350c048df8f8741bb3ede305726b5
Link:
https://www.unpac.me/results/954136ac-6e9d-49ff-bff9-e6c472e2e1e1/
SH256 hash:
cf7ffac8a57044a3fb2d8872496b97140417b21587d44b0788af55eceac570c2
MD5 hash:
dbf1ff622fe13e1d688fd7026f56bdc0
SHA1 hash:
cbfd88a49b5f563661c6dac9eee85910786f99bc
Link:
https://www.unpac.me/results/954136ac-6e9d-49ff-bff9-e6c472e2e1e1/
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/cf7ffac8a57044a3fb2d8872496b97140417b21587d44b0788af55eceac570c2

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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/357704/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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