MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaf9bc833de4c78a00360a2ef07f25267c287f6664ccb76604f154c24d333cfc. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aaf9bc833de4c78a00360a2ef07f25267c287f6664ccb76604f154c24d333cfc
SHA3-384 hash: 9172a805c4369aa1f7ca44517f9c0a3657711f8328dcbcc8906fbea54d44590d29d92bd83765894eebd43d66e9083ab9
SHA1 hash: 367b859ae92f0341c23b1a15582c3fccdf5d7773
MD5 hash: a92dff9f8e7f1c5e88763ee2a7aefd9e
humanhash: wisconsin-north-don-texas
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'577'528 bytes
First seen:2022-10-29 09:15:28 UTC
Last seen:2022-10-29 09:43:51 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:Z2ffJjrQh9ap+2ZCqpfkUqrDTmGFcBeZAERurA5hq:Mfxy9u+SpKmGkem4ucDq
TLSH T198C53325DA8C85B8F481E979DE789BEA50773BE8193F000C72FC9AD91A7F297118C354
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 :
22
# of downloads :
444
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 09:20:15 UTC
Tags:
installer
Link:
https://app.any.run/tasks/95f911bc-fc63-4a8c-a1c9-b2d407c37ef1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/325788/
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
Launching a process
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/46556/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/635cef53ce1f43143c29f446/reports/e869339e-63ab-4e09-ba0c-86c2fe7174e9/overview
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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b2cec03-cb33-421f-9a71-42eece384858
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1100830
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: 733491 Sample: file.exe Startdate: 29/10/2022 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-QPMSD.tmp, PE32 10->31 dropped 13 is-QPMSD.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 fdsearcher63.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49696, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49697, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49695, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\ojuMEOo9u33ST.exe, PE32 16->29 dropped 20 ojuMEOo9u33ST.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/aaf9bc833de4c78a00360a2ef07f25267c287f6664ccb76604f154c24d333cfc/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-29 09:16:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vl43zaz54tdyuabwbixpa7zfez6cq73gmtglozqe6fkmetjtht6a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221029-k8f6laadc8/
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
Unpacked files
SH256 hash:
1cd4c06753b39f8d39881ff1c42fb7aed3592aa96da63b4a60755c9d0deccf7b
MD5 hash:
8160407f63d3d15e713905cf1472e6d1
SHA1 hash:
66b90e2fa6b4bb41ec41f5374042d780c8a0e559
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/1c96c755-706f-45be-a626-6f5caa97ee9e/
SH256 hash:
6168861cc03d41f3b0abb99497facf550c57404fdeb2b4b3ca6df049fe56c34b
MD5 hash:
a4e5ac63032613bb1881b951de63f459
SHA1 hash:
a1378083e8b997abbbb2494154b607073a5c6fc3
Link:
https://www.unpac.me/results/1c96c755-706f-45be-a626-6f5caa97ee9e/
SH256 hash:
ade0b10a5a460a9fd09792d4d625c0b8793e05eb86eadb1ad90e6525b619d42c
MD5 hash:
d2b3e4e48e18c6d30035f4ca2dc852f9
SHA1 hash:
373d181f17782d2ddce09b84a5a86e5e8b642c12
Link:
https://www.unpac.me/results/1c96c755-706f-45be-a626-6f5caa97ee9e/
SH256 hash:
aaf9bc833de4c78a00360a2ef07f25267c287f6664ccb76604f154c24d333cfc
MD5 hash:
a92dff9f8e7f1c5e88763ee2a7aefd9e
SHA1 hash:
367b859ae92f0341c23b1a15582c3fccdf5d7773
Link:
https://www.unpac.me/results/1c96c755-706f-45be-a626-6f5caa97ee9e/
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/aaf9bc833de4c78a00360a2ef07f25267c287f6664ccb76604f154c24d333cfc

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/325788/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments