MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 077be8721a5e0c517e64f83ffafa2af695ba00155e7a30cfd869f6c8e9f5ba4d. 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

SHA256 hash: 077be8721a5e0c517e64f83ffafa2af695ba00155e7a30cfd869f6c8e9f5ba4d
SHA3-384 hash: 7df6ed70007a44b340f2f8c48678648b6e30a49c0eff30636cf3e9421f72fe3d6183f387763a229cad1f9a4960c37ec0
SHA1 hash: 473b7a30ef4f18fea817f2fcb8f443868cc956eb
MD5 hash: 9f37c1df543d0499862eb1d35a2f52bf
humanhash: zulu-alabama-triple-indigo
File name:file
Download: download sample
Signature GCleaner
File size:2'637'607 bytes
First seen:2022-10-30 23:16:08 UTC
Last seen:2022-10-30 23:29:21 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:Z2SN0ErHTawsNeP/6I2u5BQN30IfIHXlQ/PvJ3cng2m/HTRlNwiPMKpCVaA5hq:MSN0wTSN0yI2uw301HXEven6TRlNTBpt
TLSH T122C53311E4228671D961EEFCEC6F8A9DC670F63B49326A8C734C51EE8E67D2C404D762
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 :
10
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-30 23:18:03 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
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
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
Sending a custom TCP request
Creating a file in the system32 subdirectories
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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Result
Verdict:
MALICIOUS
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:
80 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734030 Sample: file.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 80 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Yara detected Nymaim 2->55 57 2 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-AAFF2.tmp, PE32 10->31 dropped 13 is-AAFF2.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 21 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\...\2AsjiIlK.exe, PE32 16->29 dropped 20 2AsjiIlK.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:
2022-10-30 23:17:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
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
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:
568bb96eaec551a061ef7e1a3b1c99c9837ead00713d0178f8521cabf37efef9
MD5 hash:
6ce043d887439946b086620b6c2dbfa6
SHA1 hash:
5cb8ed390b38d13fd0e5d00b4e6cc4dd3b78a722
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
3d5593c3205d84cf393a986ef954459d249e2acfea26634e4f49d8aa48ba576e
MD5 hash:
adb338c2580d88360cb314ce8b026521
SHA1 hash:
f8afd5034b523bea336f558b4f79f53c643051dd
SH256 hash:
8d3b5464f9127a495587c0bce600e7081d2d50fd44293416b8ff660333bac6b9
MD5 hash:
6dc95063f87001fa121c5ade18b3a134
SHA1 hash:
492b09d87e6773a43b96782c02bd21c2db0e6eef
SH256 hash:
077be8721a5e0c517e64f83ffafa2af695ba00155e7a30cfd869f6c8e9f5ba4d
MD5 hash:
9f37c1df543d0499862eb1d35a2f52bf
SHA1 hash:
473b7a30ef4f18fea817f2fcb8f443868cc956eb
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: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