MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b7c64b1b78790b114e50276a3240e3e03fe35c06ebeb314fdf7b56facb8c852. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 2b7c64b1b78790b114e50276a3240e3e03fe35c06ebeb314fdf7b56facb8c852
SHA3-384 hash: 1ee58a542cc846f97395fc1271165e45c83158c9be35bf699bde988a6639a28451a3795314e0299392f34373b5260436
SHA1 hash: aaad08359ef292503662618f4ea25f6d030c43aa
MD5 hash: a6f4298a535fd0f02f3fe51139b846a6
humanhash: moon-delta-magazine-hot
File name:file
Download: download sample
Signature GCleaner
File size:1'828'977 bytes
First seen:2023-01-21 13:16:37 UTC
Last seen:2023-01-21 13:44:52 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:qlUqTln9hmItrKNr61U8Mu7vPkj8fBKZ2S89u2EGkc7EXM:OFn9U6fr7EQpKZku2jXEc
TLSH T14F8533C19886A3B8C3B327708C26061D1A73315E2836B96577DFE7C466340A4977B7BB
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 b9f8f2d2b6a8ec76 (42 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
18
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-21 13:17:02 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
DNS request
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
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
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
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: 788904 Sample: file.exe Startdate: 21/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 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 22 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, 49699, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49700, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49701, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\ZS9eZU.exe, PE32 17->30 dropped 21 ZS9eZU.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.Injuke
Status:
Malicious
First seen:
2023-01-21 14:17:59 UTC
AV detection:
13 of 26 (50.00%)
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
Unpacked files
SH256 hash:
a9cac7ad3fd5aaf108e2e407b58cdd0222af9242a63dcd00b150a8df030b1cb4
MD5 hash:
4e97fdfa9028b9bb6bb314ca4fc29c3b
SHA1 hash:
5bf2f333bdd04769282aa95a937c9244fe9971e6
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
f94864e820d90cd64ba629df8f501e5e7d16665cc701419846d00aaeaf41df4b
MD5 hash:
0377612be118cf89423dca855dcc0623
SHA1 hash:
f111d21fa9f97302222be81694cc25cb968a035f
SH256 hash:
370b4775726df7b8be4b5d4d74d7b7332bde198c20e3c1d6f4548ea98fabc7a7
MD5 hash:
2531f14cc0630a5534a9209d6fe58792
SHA1 hash:
c61f09a4f113c7234bbd26a5d4440a629109bfa7
SH256 hash:
2b7c64b1b78790b114e50276a3240e3e03fe35c06ebeb314fdf7b56facb8c852
MD5 hash:
a6f4298a535fd0f02f3fe51139b846a6
SHA1 hash:
aaad08359ef292503662618f4ea25f6d030c43aa
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: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