MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77125faa94b8577daba6dea2b9f13c4618d215d384ed5656d443c6ddf6a8ed60. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77125faa94b8577daba6dea2b9f13c4618d215d384ed5656d443c6ddf6a8ed60
SHA3-384 hash: b69b03656e084aa2ef7c43fdd5fb74b06a8aea92f74e0013bf450a68f861003e81f7d0a7e2a043881e9437ff93707e6b
SHA1 hash: 1367afe1c3e16d91a524d77c939face92dbed702
MD5 hash: f8496b4b9f0c50b82feed7d1eb8d168a
humanhash: music-fifteen-ink-hotel
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'324'612 bytes
First seen:2022-12-01 09:45:48 UTC
Last seen:2022-12-01 10:13:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:4Tk+aX00hr7wU/tJ6MvMZWtfbf9igTO/DEO93evTw/AG5cyt:4Qb00hF6yMZgf9M/DXevTw/Xcyt
TLSH T19DB533246BA7AF39C412CB7109BAC4504433F9F61FA844EEB2A9850C9FF50B74D59F29
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
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 :
12
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-01 09:47:37 UTC
Tags:
installer trojan loader gcleaner stealer vidar opendir amadey cryptbot
Link:
https://app.any.run/tasks/7797cb2a-9881-44e0-a5e4-58296dd53e1a

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/341054/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

Win.Malware.Generic-9979820-0
Create hunting rule

SecuriteInfo.com.FileRepMalware.23941.28795.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
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/638877dcc23e35348befb3d8/reports/691514d2-cd9c-453d-bd0b-b6a54f09406a/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/ec23890f-0284-4714-b83c-993ac9be6e8a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1125174
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: 757896 Sample: file.exe Startdate: 01/12/2022 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-ARC1V.tmp, PE32 10->31 dropped 13 is-ARC1V.tmp 13 21 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 PrintFolders.exe 24 13->16         started        process8 dnsIp9 41 107.182.129.235, 49697, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49698, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49696, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\bMioqeq91jPMNn.exe, PE32 16->29 dropped 20 bMioqeq91jPMNn.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/77125faa94b8577daba6dea2b9f13c4618d215d384ed5656d443c6ddf6a8ed60/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-12-01 09:46:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4jf7kuuxblx3k5g32rlt4j4iymnefotqtwvmvwuipdn35vi5vqa._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221201-lrnpsafc76/
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/c4ec3e04-659b-4330-8bbf-9aa2cf63423a
Unpacked files
SH256 hash:
77125faa94b8577daba6dea2b9f13c4618d215d384ed5656d443c6ddf6a8ed60
MD5 hash:
f8496b4b9f0c50b82feed7d1eb8d168a
SHA1 hash:
1367afe1c3e16d91a524d77c939face92dbed702
Link:
https://www.unpac.me/results/c2728aff-8106-4c0c-ae66-b436e80e9dd1/
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/77125faa94b8577daba6dea2b9f13c4618d215d384ed5656d443c6ddf6a8ed60

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/341054/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments