MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07631ae089b6942cbd741a7b92c256665baf0ee969bc1dc74c935f408aabe09d. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 07631ae089b6942cbd741a7b92c256665baf0ee969bc1dc74c935f408aabe09d
SHA3-384 hash: 84d7bcf42029475ff49c62a90a1cbb6408fcf490d734b08ef5b8b7256a9fc07efc9f272a8061ac6d3a0d13c5888f5401
SHA1 hash: e809f04eb9dcb0825aec9e4205aeeba9025f2a95
MD5 hash: d378993650a13a8743b35d5ca9d30585
humanhash: bluebird-six-burger-nineteen
File name:file
Download: download sample
Signature GCleaner
File size:2'521'094 bytes
First seen:2022-10-23 03:15:35 UTC
Last seen:2022-10-23 03:58:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z27TK7NDQiLIzEOOxXXzPwnhxH6sBajg2wAadgXUXA5hq:M7TK7ZQ/ezqAsWg2VYg9Dq
TLSH T1EFC533479EC61132C176C7B0BF3C0FADD25E2D6E583910AAB8CC92AC6A73483655D7E1
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 :
20
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 03:18:26 UTC
Tags:
installer loader evasion trojan ficker stealer opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
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
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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: 728377 Sample: file.exe Startdate: 23/10/2022 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-RBTKA.tmp, PE32 10->31 dropped 13 is-RBTKA.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 ersearcher57.exe 25 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, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\yg4wq.exe, PE32 16->29 dropped 20 yg4wq.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:
2022-10-23 04:17:08 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
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
Unpacked files
SH256 hash:
80ff38845e40b28936b271025e6fc0033f7bb40e77110c5053d84c37a1276be8
MD5 hash:
79cbcf73411adc5d2dbfae5cdc1f4856
SHA1 hash:
19a06fa02d79ac0e03a72d8f3dd621cbd719f533
Detections:
win_nymaim_g0 win_gcleaner_auto
SH256 hash:
5fc7c061549b3f5a0b9ce6dcd729b9316d35790b731b047d939882aad58e62e3
MD5 hash:
337bbea6142876d88a4df400f1594876
SHA1 hash:
fd14b8944e6adf7a2d7bd87c567a11deb9df3869
SH256 hash:
452583079998ee0dbf7c81276fbf6814bc52f73e053d5b37e438f6a0adb24e01
MD5 hash:
6b638ca6c393a38cf046e1ddbc3750e8
SHA1 hash:
39a00d0b0dc073db96db7145a75360056df0bb5b
SH256 hash:
07631ae089b6942cbd741a7b92c256665baf0ee969bc1dc74c935f408aabe09d
MD5 hash:
d378993650a13a8743b35d5ca9d30585
SHA1 hash:
e809f04eb9dcb0825aec9e4205aeeba9025f2a95
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