MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77b0a201eaa247f1299e35b345443a997e503e56caa3f6a270198d7a9248d2ea. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77b0a201eaa247f1299e35b345443a997e503e56caa3f6a270198d7a9248d2ea
SHA3-384 hash: 9d9d8edc9314bbd3e2c35d913befa724e86f3793aba05615483b74ab33371bc58ecbd8529de3f3f10dd0b5a4a56830d9
SHA1 hash: 92aa9eb3cba9e4cbf269f301240c86b45ffed31a
MD5 hash: eeb9d127fd1b4a10449a8dc101f2dde5
humanhash: nevada-moon-lithium-london
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'592'628 bytes
First seen:2022-10-30 13:30:16 UTC
Last seen:2022-10-30 13:58:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2HVx877w/DNlaFiZiemz7ddaJY6hG05UZ7MOv1hc7UzJNlDo/d6bCNHjgA5hq:MHsPeNlaYUz7+Y6d5AJdhcyno16OfDq
TLSH T186C533362681A837C031D8788E50E93122B6FC5584F5DC4EF3BC989E8B7A162D9C579F
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 :
21
# of downloads :
419
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-30 13:30:58 UTC
Tags:
installer
Link:
https://app.any.run/tasks/91efcf25-6b4c-4cfb-ad02-48186712af5c

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/326110/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
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
Sending a custom TCP request
Moving a file to the %AppData% subdirectory
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 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/46801/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/635e7c979b9bf84bf679cc73/reports/2763d6e8-c456-43cd-807e-398a75988c8b/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/828ae770-a4a1-496e-9989-7e38f0bbb211
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1101237
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: 733898 Sample: file.exe Startdate: 30/10/2022 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-6OJCN.tmp, PE32 10->31 dropped 13 is-6OJCN.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 ffsearcher64.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49692, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49693, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49689, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\DrxK2oL.exe, PE32 16->29 dropped 20 DrxK2oL.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/77b0a201eaa247f1299e35b345443a997e503e56caa3f6a270198d7a9248d2ea/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-30 13:31:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6ykeapkujd7ckm6gwzukrb2tf7fapswzkr7nitqdggxvesi2lva._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221030-qsc2wsddhn/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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:
5212e5b142db0a7b44176c1cbb8620e84d013911929a76c35bbdcd351457c400
MD5 hash:
b46b667a4c188226953a5ea820c7b6c0
SHA1 hash:
e87017567229728882042634a1bef9cc3619a0ee
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d761bd50-00dc-472d-8e5e-e745e2e29940/
SH256 hash:
5eec863d72db7ef54992a13010d2e3871534513153285507f2ea9121b48246c3
MD5 hash:
614becd7ed0bc0c487364b852757f376
SHA1 hash:
fede07b0d79d1529e4070f6056d8a7fefe8134fe
Link:
https://www.unpac.me/results/d761bd50-00dc-472d-8e5e-e745e2e29940/
SH256 hash:
202cf8df66bab7e889bcfbd73d8aad4464d1a7d74abf4af6bd582a30aa7242c0
MD5 hash:
844783e02e063789bafef9555c14d769
SHA1 hash:
4ab58f68b2372f0079d44f7c4692362bb4041f6e
Link:
https://www.unpac.me/results/d761bd50-00dc-472d-8e5e-e745e2e29940/
SH256 hash:
77b0a201eaa247f1299e35b345443a997e503e56caa3f6a270198d7a9248d2ea
MD5 hash:
eeb9d127fd1b4a10449a8dc101f2dde5
SHA1 hash:
92aa9eb3cba9e4cbf269f301240c86b45ffed31a
Link:
https://www.unpac.me/results/d761bd50-00dc-472d-8e5e-e745e2e29940/
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/77b0a201eaa247f1299e35b345443a997e503e56caa3f6a270198d7a9248d2ea

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: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/326110/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments