MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f17e0aa8c1abbe2ce6b1804f2a5ffeb4adf538e106144455bd9ca2e06dfaa59. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 4f17e0aa8c1abbe2ce6b1804f2a5ffeb4adf538e106144455bd9ca2e06dfaa59
SHA3-384 hash: 2e7a6c354cc4434182160a8700b7c2e3f4e2f600fe8b619b672e456be549a067c0c63d6c4b9da57e92f06e2298824d15
SHA1 hash: e46a27ff1027949cb8c682a512232365456c90f9
MD5 hash: 577ef7d0dcfa5e286c2c830996d7953e
humanhash: texas-wyoming-east-four
File name:file
Download: download sample
Signature GCleaner
File size:2'624'444 bytes
First seen:2022-11-02 12:16:29 UTC
Last seen:2022-11-02 12:42:47 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:Z2Ow+MYmtG3Xg610nP1EDIKRaY2CqY1zj8aC/Z1u6RoX9TCxs1gtEr4xdhA5hq:MOwBYmt2w610P1ocT9Y9jF4GnNCxTqir
TLSH T158C5333256AAC8B0C970ECB04D658E340EDF7B31257CC6A5BAAE546B4F37D84601D3E6
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 :
11
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 12:18:29 UTC
Tags:
installer loader evasion trojan ficker stealer opendir vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
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:
88 / 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
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735907 Sample: file.exe Startdate: 02/11/2022 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-13UC8.tmp, PE32 10->31 dropped 13 is-13UC8.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 flsearcher67.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, 49691, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\lceYllf9sOf.exe, PE32 16->29 dropped 20 lceYllf9sOf.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
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-11-02 12:17:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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
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
Unpacked files
SH256 hash:
ac7f791424311efcfec6a10714c08025adf43086c87e6b02f106991feb11e2c0
MD5 hash:
df61533442daf813fc2122d8612aea92
SHA1 hash:
32e296cde56511844fd1722e6289886ad491d643
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
6c2c363f7e8525bf637d1d0f655125bfc3bbffe20893b34894b5c3bee0e206da
MD5 hash:
e4413e5d09105c29d7963fb697a04624
SHA1 hash:
cca210d68fcb29587a524c4e1eb7b0cc52dd9f91
SH256 hash:
3fdbe533f13dfc838e2cebada9f8f4945de22fde06e718ee9d4cca07407b7c7b
MD5 hash:
c623a373e7cc0f44307a4662fa3384d7
SHA1 hash:
40aa470d77d9674b74d3858522ec193b63fe332e
SH256 hash:
4f17e0aa8c1abbe2ce6b1804f2a5ffeb4adf538e106144455bd9ca2e06dfaa59
MD5 hash:
577ef7d0dcfa5e286c2c830996d7953e
SHA1 hash:
e46a27ff1027949cb8c682a512232365456c90f9
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: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