MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3dbaa931c3e057b6bcb099ce7d01a0b177ac45c7d44b202c84bfba87c0bc6c7a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3dbaa931c3e057b6bcb099ce7d01a0b177ac45c7d44b202c84bfba87c0bc6c7a
SHA3-384 hash: aa7b5641e867915a1e01cd277a55226ee8abdf77ef8bf50e56b67c6ab3ee065344dba848136aa13eb314924bc92be1ee
SHA1 hash: 867c8ffe895676b6725e9d87ece00a71b033bc75
MD5 hash: 35bbb63b6fe05bfdddead5269207b302
humanhash: texas-early-skylark-juliet
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'544'739 bytes
First seen:2022-10-23 00:47:38 UTC
Last seen:2022-10-23 01:14:28 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:Z2N2jYig3Fjd76n6oKZ5U3w3h7zsePbR8TmhTxFBJAfOdA5hq:MuoJ7KrK49ehNDvwOuDq
TLSH T15AC5338A125FA83BC5A79174DC34DF61497B7E4B0A2ED49FB68CD09C8EE23CC8509B51
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)
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 :
13
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 00:49:24 UTC
Tags:
installer loader evasion trojan ficker stealer vidar opendir
Link:
https://app.any.run/tasks/b4c23430-afa2-4c07-9fff-a807e30a9c70

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/322819/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

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
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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
Link:
https://dragonfly.certego.net/analysis/44572/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63548f43898b0652a4b9672a/reports/13644a69-255a-4b68-990b-7d103021a41a/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2490478d-23c6-4c25-afc9-b018706ded58
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095701
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728342 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-F5S3A.tmp, PE32 10->31 dropped 13 is-F5S3A.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 epsearcher56.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\...\urqTb9cZCX.exe, PE32 16->29 dropped 20 urqTb9cZCX.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3dbaa931c3e057b6bcb099ce7d01a0b177ac45c7d44b202c84bfba87c0bc6c7a/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2022-10-23 01:23:55 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
12 of 42 (28.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hw5ksmod4bl3npfqthhh2anawf32yroh2rfsaleex65ipqf4nr5a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221023-a5r4ksfef5/
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
Link:
https://app.threat.zone/submission/0d9964d4-ff84-4ff9-96f1-0aaf2df5c9ca
Unpacked files
SH256 hash:
739bc142b765f1ec42acc9432e8bb007add5f633be5fcb8c6d70165fc0ce607b
MD5 hash:
e8d9e348a0ec8a553c80d48ae75c61ac
SHA1 hash:
4fc3145d7beb7d78850f501734b39f936b65ce4b
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8623f110-086f-4cdb-9383-8af1bfaa7071/
SH256 hash:
1c2079405db4f31cf9d3066225e5122f05d9535331c7abdfb1d1c2df7d20c7af
MD5 hash:
1c06a216d391539740d3bdfefe106d96
SHA1 hash:
ff2baf7695b3c448ff8915e888f858fe5bdb405f
Link:
https://www.unpac.me/results/8623f110-086f-4cdb-9383-8af1bfaa7071/
SH256 hash:
3dbaa931c3e057b6bcb099ce7d01a0b177ac45c7d44b202c84bfba87c0bc6c7a
MD5 hash:
35bbb63b6fe05bfdddead5269207b302
SHA1 hash:
867c8ffe895676b6725e9d87ece00a71b033bc75
Link:
https://www.unpac.me/results/8623f110-086f-4cdb-9383-8af1bfaa7071/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/3dbaa931c3e057b6bcb099ce7d01a0b177ac45c7d44b202c84bfba87c0bc6c7a

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
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/322819/

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