MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1157b7e2119d799ea50f6e2a630e3c8df80251156a474343feef2fe3ae65f8d. 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 4 File information Comments

SHA256 hash: e1157b7e2119d799ea50f6e2a630e3c8df80251156a474343feef2fe3ae65f8d
SHA3-384 hash: b5a3a81f9021b67b6734c308993ac67695a549fd6804f6e8e1af269101d20a7646cbffbbd10d47e95f7d2521f5953571
SHA1 hash: 3919f5db834d1d4095b066edd7433dc604dd4d21
MD5 hash: 0688e4e4cea33bc8164d73c6924807a9
humanhash: may-beer-tango-stairway
File name:file
Download: download sample
Signature GCleaner
File size:1'800'652 bytes
First seen:2023-01-17 04:47:30 UTC
Last seen:2023-01-17 05:12:36 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:mjec8HoE7taAiX/v5FitS2ZozYinQNAn1GTj:pHoE7s95soz9QNAn1GTj
TLSH T158853331D6A19039F0D289B50EB09135C779B61B0C3A24D9B2BC45CDEB9F89683673B7
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
11
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 04:50:06 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 785512 Sample: file.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 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 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49700, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49702, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49703, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\dKr0dO.exe, PE32 17->30 dropped 21 dKr0dO.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
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-01-17 04:48:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Gathering data
Unpacked files
SH256 hash:
2daf906c681a66668762c5e741b7a5ac1641f763a6cc5a86bd972767bb2d1ca9
MD5 hash:
97f313d7000e4329cd38835098679f69
SHA1 hash:
a6f873a08a0f93b5c6988f38ef9c36a2a12c19fa
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
72d0c40595f35c33b7e07589dd905cb5f00ff1b3b11e8a446c5271e936b2bf75
MD5 hash:
aecec3cbf1cebeeb4a5a8707d6aab1e3
SHA1 hash:
5fe113a4b53518378b3f8bbe1eff788c91d3b26d
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
SH256 hash:
e1157b7e2119d799ea50f6e2a630e3c8df80251156a474343feef2fe3ae65f8d
MD5 hash:
0688e4e4cea33bc8164d73c6924807a9
SHA1 hash:
3919f5db834d1d4095b066edd7433dc604dd4d21
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
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

Comments