MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e831fcb1c9929f4a88ea82c364de4114a5f2012e90cda1ba35316b8eb311e39b. 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: e831fcb1c9929f4a88ea82c364de4114a5f2012e90cda1ba35316b8eb311e39b
SHA3-384 hash: f6d722cca22a729f41f3f55840c6747ea1d4bdf420b3ede82e4b63b6f08f0fd1603dbb29c15b0ac569e02b148c6a6f37
SHA1 hash: 20106c4c416c729acf92eea51c284f83105a8844
MD5 hash: 4171b6aadeea83b05a615b6c0bd8fcce
humanhash: bravo-social-emma-eight
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'566'305 bytes
First seen:2022-10-28 22:31:51 UTC
Last seen:2022-10-28 22:59:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'463 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2eusNpW8xNxjVjkSjU1aQMikUS8x7MWNlk6Y+RXPtK0MROb2EmZLCtA5hq:MexN3xvhgdaXi175sgRXE00LDq
TLSH T110C533D082A0B178D17249F008FADD31DD333CD8A86C5955FCDD49D8AB27AF5E2213AA
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 :
12
# of downloads :
417
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 22:33:10 UTC
Tags:
installer
Link:
https://app.any.run/tasks/8ca22a88-4a5d-4a0e-94de-d4d496d55334

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/325680/
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
DNS request
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/46470/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/635c586500b65b1cd8a7ffce/reports/358b1b1e-6b49-49b2-b250-e5f7a76e2739/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/559054e1-14b2-4eca-98c2-7a8aa15c9697
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1100678
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)
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733339 Sample: file.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 84 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 2 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-F6SU9.tmp, PE32 10->31 dropped 13 is-F6SU9.tmp 16 25 10->13         started        process6 file7 33 C:\Program Files (x86)\...\fbsearcher62.exe, PE32 13->33 dropped 35 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->37 dropped 39 4 other files (none is malicious) 13->39 dropped 16 fbsearcher62.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, 49699, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\RwRl5CxJTs2NN.exe, PE32 16->29 dropped 20 RwRl5CxJTs2NN.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/e831fcb1c9929f4a88ea82c364de4114a5f2012e90cda1ba35316b8eb311e39b/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 22:32:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ay7zmojskpuvchkqlbwjxsbcss7eajosdg2dorvgfvy5myr4onq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/221028-2fycvaaab5/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7f66ef4f-ac0f-48f2-becf-cd6a4a670728
Unpacked files
SH256 hash:
a5b3ae366f1a2819cc602c23abf93f161a706e4dafc5a4528facc6143d42b892
MD5 hash:
02771de90d9601480839533a0ff83c6f
SHA1 hash:
ed9c57e95214523e49ba7a2e3d4d005e318d0043
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/cc77a2ae-eb8e-4872-bf28-c346ab9b2c0c/
SH256 hash:
027c1082ed966030d7b57a5a8ccbbe60525c2e9715ed919f5b75dc2a7e4f583a
MD5 hash:
03e3b0def33424c576ca7e221452b66d
SHA1 hash:
8eee39afad1f854e450373eed9b77fff8e3af0b1
Link:
https://www.unpac.me/results/cc77a2ae-eb8e-4872-bf28-c346ab9b2c0c/
SH256 hash:
d45c38ed241a4b25021ba4d2097d321007ab3f02009fa8697d6b23800c3d2f80
MD5 hash:
5dc4a038e54a41ca3caf3e1a217309a6
SHA1 hash:
0aa3a8adac11e4cab221f31f8f6f4e56cb942802
Link:
https://www.unpac.me/results/cc77a2ae-eb8e-4872-bf28-c346ab9b2c0c/
SH256 hash:
e831fcb1c9929f4a88ea82c364de4114a5f2012e90cda1ba35316b8eb311e39b
MD5 hash:
4171b6aadeea83b05a615b6c0bd8fcce
SHA1 hash:
20106c4c416c729acf92eea51c284f83105a8844
Link:
https://www.unpac.me/results/cc77a2ae-eb8e-4872-bf28-c346ab9b2c0c/
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/e831fcb1c9929f4a88ea82c364de4114a5f2012e90cda1ba35316b8eb311e39b

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/325680/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments