MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8863f56ad4c4054c328322b691feb032a4767f536e3e8624dc2d6fe660562bd0. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8863f56ad4c4054c328322b691feb032a4767f536e3e8624dc2d6fe660562bd0
SHA3-384 hash: d45070332a23b65f975349b994fef2f530adbfc61ce186195acca41bb416981d56bb50b4ddd6c0d9ddf926a01365c612
SHA1 hash: 202777afec3c2ab9ec76b387b3d455b6ec5f1adb
MD5 hash: b0351f9564abf9ebfa1753c13b1356eb
humanhash: crazy-six-aspen-quebec
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'118'305 bytes
First seen:2022-10-31 11:02:42 UTC
Last seen:2022-10-31 11:29:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:Z2esXIgyLTMdMozrPUy+Z5VuRxOBaE1Gth4FfAIJfY2Q1v9hq:Z2zYAVrPtm5VuRIEEcwoUA5hq
TLSH T1AC352301D294C430D061D9B06D314F6865B73F5EAC3EFA61B69C81DD8F3A2E1D99A3E2
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 andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
13
# of downloads :
447
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 11:12:40 UTC
Tags:
installer
Link:
https://app.any.run/tasks/b6ccf445-058f-49ad-82f3-da7918346fde

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/326370/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a recently created file
Modifying a system file
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
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
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
Link:
https://dragonfly.certego.net/analysis/46977/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed packed shell32.dll
Link:
https://www.filescan.io/uploads/635fab6658409ff7bc0c5e78/reports/ad8593a5-8bca-4087-b715-5c20f3ddbc2f/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e417738a-77e6-4100-8f98-8ae999883b65
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1101597
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 dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734259 Sample: file.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-DJ1JG.tmp, PE32 10->31 dropped 13 is-DJ1JG.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 fhsearcher65.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49696, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49697, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49695, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\vbD8iyoebZ.exe, PE32 16->29 dropped 20 vbD8iyoebZ.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8863f56ad4c4054c328322b691feb032a4767f536e3e8624dc2d6fe660562bd0/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 11:03:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rbr7k2wuyqcuymudek3jd7vqgkshm72tny7imjg4fvx6mycwfpia._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221031-m5qa7sagc2/
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
Unpacked files
SH256 hash:
728df41dd40d1a11435c0a632b48e37b887da705d7f3148fea2719344f89cbfe
MD5 hash:
13ee69464c8760d0a81c0151ac14e2f7
SHA1 hash:
588c1f6daecce55bdaada2dedf8e514d5659253f
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/59259cdc-b368-47c5-b17c-94e36f7eea19/
SH256 hash:
3fdbe533f13dfc838e2cebada9f8f4945de22fde06e718ee9d4cca07407b7c7b
MD5 hash:
c623a373e7cc0f44307a4662fa3384d7
SHA1 hash:
40aa470d77d9674b74d3858522ec193b63fe332e
Link:
https://www.unpac.me/results/59259cdc-b368-47c5-b17c-94e36f7eea19/
SH256 hash:
97d47b1dee7aa33db3240bacce077de32d54d16f50246d0cbd32fe6c9b264e4b
MD5 hash:
d9ab478137369c09fa496f64006cfcef
SHA1 hash:
22fe4d10080e73bd2218b7ac8f67817b51385509
Link:
https://www.unpac.me/results/59259cdc-b368-47c5-b17c-94e36f7eea19/
SH256 hash:
8863f56ad4c4054c328322b691feb032a4767f536e3e8624dc2d6fe660562bd0
MD5 hash:
b0351f9564abf9ebfa1753c13b1356eb
SHA1 hash:
202777afec3c2ab9ec76b387b3d455b6ec5f1adb
Link:
https://www.unpac.me/results/59259cdc-b368-47c5-b17c-94e36f7eea19/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/8863f56ad4c4054c328322b691feb032a4767f536e3e8624dc2d6fe660562bd0

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
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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/326370/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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