MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a110de18613503c0f3075da56cdbe363091cebcd8c52423ac1d63aa791bb22. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81a110de18613503c0f3075da56cdbe363091cebcd8c52423ac1d63aa791bb22
SHA3-384 hash: 5d02704649b058613f20ab3fa192d270628b7ef4cbcae5912e720ec041d93f93d9233b37c7ae92131b1083fe8ca5a573
SHA1 hash: ddff7f0771687bb3632da27c7e46dcd7ef167e2e
MD5 hash: 2f5b19f3196cf8903daa3de2163e56bc
humanhash: october-neptune-social-red
File name:2f5b19f3196cf8903daa3de2163e56bc.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:377'856 bytes
First seen:2022-06-21 11:07:12 UTC
Last seen:2022-06-21 12:04:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash aa1d842c09e4e41d9b0bfd7b3276b5b3 (1 x GCleaner, 1 x ArkeiStealer)
ssdeep 6144:Eu7hmZaTjmh4s79iwBsRte9d1RNmJ8aTQG7H/PozhPxhomonnKVKt:Eu7h48Q4s79iwBsRQh3m6IZQfhomon
TLSH T1A484BF00BAD0D434E5F752F449B692AC793E7EA09B3450CB52E52AEE4734AE4EC3135B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon e0d0d0d0d8d0f20e (1 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281962/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.30971.19066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/22138/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62b1a6998e2643f17a9eb602/reports/39ce1155-ace2-4b09-899b-9aecaaf1a9dd/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/438161ab-8b7a-4c4d-a236-05573f4cab3a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1017028
Signature
Antivirus detection for URL or domain
Machine Learning detection for sample
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 649526 Sample: jDtGQyIGJm.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 60 39 Antivirus detection for URL or domain 2->39 41 Yara detected Nymaim 2->41 43 Machine Learning detection for sample 2->43 7 jDtGQyIGJm.exe 15 2->7         started        process3 dnsIp4 37 37.0.8.39, 49794, 80 WKD-ASIE Netherlands 7->37 10 WerFault.exe 9 7->10         started        13 WerFault.exe 9 7->13         started        15 WerFault.exe 9 7->15         started        17 6 other processes 7->17 process5 file6 23 C:\ProgramData\Microsoft\...\Report.wer, Unknown 10->23 dropped 25 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 13->25 dropped 27 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->27 dropped 29 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->29 dropped 31 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->31 dropped 33 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->33 dropped 35 2 other malicious files 17->35 dropped 19 conhost.exe 17->19         started        21 taskkill.exe 17->21         started        process7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81a110de18613503c0f3075da56cdbe363091cebcd8c52423ac1d63aa791bb22/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 11:08:06 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgqrbxqyme2qhqhta5o2k3g34nrqshhlzwgfeqr2yhldvj4rxmra._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220621-m8jmtsfdd6/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
Unpacked files
SH256 hash:
a0b348ae08664e5ccc0f3596020aecc5cc779c56b1db07f726a163a152cd9457
MD5 hash:
0eea16edb874efb6cbbf2d1dc71c6480
SHA1 hash:
c948bd3f07e1785a160d272c533d2d11fe79cf7c
Detections:
win_nymaim_g0
Create hunting rule
Link:
https://www.unpac.me/results/65a93dac-c869-44f2-a855-f8758fc9beb3/
Parent samples :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 hash:
81a110de18613503c0f3075da56cdbe363091cebcd8c52423ac1d63aa791bb22
MD5 hash:
2f5b19f3196cf8903daa3de2163e56bc
SHA1 hash:
ddff7f0771687bb3632da27c7e46dcd7ef167e2e
Link:
https://www.unpac.me/results/65a93dac-c869-44f2-a855-f8758fc9beb3/
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/81a110de18613503c0f3075da56cdbe363091cebcd8c52423ac1d63aa791bb22

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:win_gcleaner_de41
Create hunting rule
Author:Johannes Bader
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 81a110de18613503c0f3075da56cdbe363091cebcd8c52423ac1d63aa791bb22

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2212368/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/281962/

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