MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b98699af25b884bace694894681f844182bf4bab884f27d8f2344cf8161eb5f7. 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: b98699af25b884bace694894681f844182bf4bab884f27d8f2344cf8161eb5f7
SHA3-384 hash: ee452146650a9f1a0c6ad25a5c402e73c3a454aac33a132245931957fad3c673327479eab48d93e7eb2d9a6881300176
SHA1 hash: f11ff46d0b417d8eca6eee235b859f7f0161fd43
MD5 hash: d192504859e7969633e66e702d4de232
humanhash: oxygen-sixteen-uncle-east
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'578'440 bytes
First seen:2022-10-28 16:33:58 UTC
Last seen:2022-10-28 16:58:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z238v6xjR8d5NdexRPX3HzSD+t5neZFRrteC5dkk9LFA5hq:M38SMkf3Hl5eZFR5xzBmDq
TLSH T16CC533418A66C2B2D0E15975BCB6D7ADAEB723760D6DB92430D8C8EE5D3BC41CF90390
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 :
9
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 16:36:37 UTC
Tags:
installer
Link:
https://app.any.run/tasks/91cb62a9-00e7-4c91-8545-d1ee0c3035dc

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/325582/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Moving a file to the %AppData% subdirectory
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/46396/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/635c047b736e9d884f0d7867/reports/a4326dec-8575-4acf-8173-dba1d266e2dd/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/823dcfe8-8f38-4ed8-81bc-f2ddeb653393
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1100501
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733162 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 96 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 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-VBSG0.tmp, PE32 10->31 dropped 13 is-VBSG0.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 fbsearcher62.exe 23 13->16         started        process8 dnsIp9 41 107.182.129.235, 49700, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49701, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49699, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\6sHpgvqTCHvBB.exe, PE32 16->29 dropped 20 6sHpgvqTCHvBB.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/b98699af25b884bace694894681f844182bf4bab884f27d8f2344cf8161eb5f7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 17:12:44 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgdjtlzfxcclvttjjckgqh4eigbl6s5lrbhspwhsgrgpqfq6wx3q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221028-t25eaagegn/
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
Link:
https://app.threat.zone/submission/4a7737fc-4bf8-43a0-acbf-c08b8319cd45
Unpacked files
SH256 hash:
34b38aef1507f83fd0e1649d5fb0f2be197cf2511a0eafde6c2baeb3742ac8bd
MD5 hash:
ad2edf2ab518b15bdb4cfa9188706c8e
SHA1 hash:
0f8bc7100195e7939600a5541f411937c7bcde46
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/dbdd1b27-bce8-4545-ba52-d85f24393a24/
SH256 hash:
5b7099bf63ec0c91fa71de0c1a1505abd9a8c3cf109cb8ff441dde4ad5cde65b
MD5 hash:
23fbe9e313b1c4b5ec13c88ef52e0fa6
SHA1 hash:
94b5f96834bbbc738042d5bc8fd88b6e8268ce9b
Link:
https://www.unpac.me/results/dbdd1b27-bce8-4545-ba52-d85f24393a24/
SH256 hash:
b5bf8ac1406d5c70772531561b618d9e679389d935f4dbf43e0164ab325813bb
MD5 hash:
828a09b69b78450f0e85642392b161bd
SHA1 hash:
38ee7676a05eae8fc5921e9ec7b753c966f3c0fb
Link:
https://www.unpac.me/results/dbdd1b27-bce8-4545-ba52-d85f24393a24/
SH256 hash:
b98699af25b884bace694894681f844182bf4bab884f27d8f2344cf8161eb5f7
MD5 hash:
d192504859e7969633e66e702d4de232
SHA1 hash:
f11ff46d0b417d8eca6eee235b859f7f0161fd43
Link:
https://www.unpac.me/results/dbdd1b27-bce8-4545-ba52-d85f24393a24/
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/b98699af25b884bace694894681f844182bf4bab884f27d8f2344cf8161eb5f7

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/325582/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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