MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab
SHA3-384 hash: 5c4e4ee044d9cfdaaabbd3cb8d1c09f4338ed8bf4156ea95f29899d45142ca400d6bfab28b53f5f796a15e4eb307f45b
SHA1 hash: 1a83510209139986ac8a84930e3cc4819cdbe9e1
MD5 hash: 8304c8a846f1bf7588f9cc5567ad5f4c
humanhash: enemy-magnesium-fanta-yellow
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:336'896 bytes
First seen:2022-10-28 15:38:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 55ce9fb6dc30e1e2bdf26439f9e36d01 (9 x RedLineStealer, 5 x Tofsee, 4 x Amadey)
ssdeep 6144:NjHXLNn2bGlaGWOYUVDsOhUkoIrG3uaepthxOuSkWwULq:NjHXh2SlaZkVDsT9ut5thXSkL
TLSH T14464F0327D92D872D49A35308136DFA11ABFB83118614A4377F427ADAE31BD0997638F
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 36f0e8e9e8e8e868 (1 x GCleaner)
Reporter jstrosch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
raccoon
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 15:41:37 UTC
Tags:
trojan raccoon recordbreaker loader stealer vidar
Link:
https://app.any.run/tasks/5b545693-2ed1-402c-b59e-53ce1a1291fd

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/325578/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.23851.3478.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file in the system32 subdirectories
Creating a file
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/635bf79658409ff7bc0c2bf7/reports/c021bb83-7973-4dfd-8252-a423d962f2ba/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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17e2433f-6701-4965-945b-5fe4214aa958
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1100486
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733147 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 72 38 45.139.105.1 CMCSUS Italy 2->38 40 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->40 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Yara detected Nymaim 2->48 50 2 other signatures 2->50 8 file.exe 15 2->8         started        signatures3 process4 dnsIp5 42 45.139.105.171, 49705, 80 CMCSUS Italy 8->42 11 WerFault.exe 9 8->11         started        14 WerFault.exe 9 8->14         started        16 WerFault.exe 9 8->16         started        18 7 other processes 8->18 process6 file7 24 C:\ProgramData\Microsoft\...\Report.wer, Unicode 11->24 dropped 26 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->26 dropped 28 C:\ProgramData\Microsoft\...\Report.wer, Unicode 16->28 dropped 30 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->30 dropped 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->32 dropped 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->34 dropped 36 3 other malicious files 18->36 dropped 20 conhost.exe 18->20         started        22 taskkill.exe 18->22         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 16:13:14 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
21 of 42 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3v43iefdg4cwthi2aovg4uhj543expsgf42psls2fazsmmgtkvq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim trojan
Link:
https://tria.ge/reports/221028-s3lswsgaa5/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/95b5d8c6-a109-45a1-bb89-415f5a08949b
Unpacked files
SH256 hash:
8680703273e9c0722b68fcbbae6d82b47882622a838150faf59ae744a883c3e4
MD5 hash:
294a8c998dc2bbdb943e0ae1a5a97d40
SHA1 hash:
d1b8972c62139b8eb3db600ab5963435f74782d0
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_w0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/f3ade16b-7b1a-4b3e-8ae4-0144c652ef74/
Parent samples :
932d7ae8482eee2509bdecb13ad9f11c4ad3441b4a149e514a78f0553c5c7fc4
975f35cbcc0955e795de841626973dd0b02e4e23cfb4f3c04d924c4be3a60494
d40ab5472a84c8bd8bb8167d74a806c498808b7feeef4f9346d83db6aaa2aaac
99b6a9b98d8c357b9602795555478067b6eeb60e5bc9e013b0ea7fdfcfa964a7
c48a6254c12f36729af36034b314a7a126641fffe335adc964fda01ca8bb4571
d59f0a77feade396ba4a90f43642255ae09e4e8bbd537d39eed12e6a6f3537a7
ec26b60f6f72de9370e994e8cb69c61d8d60f475963256b7979234f6380d1231
39f9172b24a1640f3f2bc41a843aea4db048478e9c8ada21aff18187a389f28d
c7cfccd6d8b1cf1353b630da23779514ea2b9ce8ee1340f727d9a2bfeea196c2
582d479e23a1d4980b61babb860a14715921bb53cc989e7cfdc822a7e8ac82e0
55aeaba46d20630f60dfaa19b63b3c9f64a62decc44ad57ca2bec061a3dbc187
0db3c21dec09a297e99a07ec1ebd007146adfbcb3c8f0d4a3f88868778c6aef9
5551bb454076a57fb3f84dffefe7ce63f923b3ac0057206763daf4479ff46698
93d3a708df2aa28a4572e3ea41b2a14b2b5bb89ff7056bcf138708055f80c133
924a590604b3a536902d2401a9502ad9deac2c13aaa0d8f4cad11688eccc9ff3
f0c792633707ad513f73e811b474394efa6a9649927dc2479628730833589e88
29819b55e60be88f80f634504f1981e9a6694aa8c8c9d190f6d7b539a292e7e1
5ac75c017df0fbe03cd01d9413c9ddb8560712a07b942d4f639b4b2a3ecbdfa8
b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab
SH256 hash:
b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab
MD5 hash:
8304c8a846f1bf7588f9cc5567ad5f4c
SHA1 hash:
1a83510209139986ac8a84930e3cc4819cdbe9e1
Link:
https://www.unpac.me/results/f3ade16b-7b1a-4b3e-8ae4-0144c652ef74/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:win_gcleaner_de41
Create hunting rule
Author:Johannes Bader
Description:detects GCleaner
Rule name:win_gcleaner_w0
Create hunting rule
Author:Johannes Bader @viql
Description:detects GCleaner

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GCleaner

Executable exe b6ebcda08519b82b4ce8d01d5372874f79b25df23179a7c972d1419931869aab

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/325578/
  
URLhaus
https://urlhaus.abuse.ch/url/2381637/

Comments