MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39. 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: 37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39
SHA3-384 hash: ac84b54dc4ff7acbeef641f263c6a8d943483ae1b526c633070117f92abc1d37863dc7249b3471741e0868f29ca3fd95
SHA1 hash: 8d89dea30c0dbef811065b5e47d9f5dc19573962
MD5 hash: 2fc6218c0bd89dc0f2471c882a384a07
humanhash: mexico-bacon-louisiana-alpha
File name:2fc6218c0bd89dc0f2471c882a384a07.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'019'983 bytes
First seen:2023-05-07 09:34:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:ggZOE6pc0+8hAoxYo6kbLwiwmrUfU/fL7O+xSAG5cu:gBEgq8zxYo6AwwrVjpxSXcu
Threatray 3'106 similar samples on MalwareBazaar
TLSH T11E9533A2114FD8B9D6868E7DDE639B400836F636B5BC809539DC454CBE3B2E2AC01773
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
2fc6218c0bd89dc0f2471c882a384a07.exe
Verdict:
Malicious activity
Analysis date:
2023-05-07 09:36:18 UTC
Tags:
installer loader stealer arkei vidar rat redline
Link:
https://app.any.run/tasks/859d4da3-86bc-41fd-99a6-e142ffc7466c

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/387283/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

SecuriteInfo.com.Win32.Malware-gen.24316.29731.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% 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/82931/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcleaner greyware installer overlay packed packed
Link:
https://www.filescan.io/uploads/645770c936a9691aaedde7d7/reports/0fcc60c3-c624-4966-ae0a-f8b1fcd1f4b4/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39
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/a15cb758-a9c5-416b-bd2a-d84f0b99271a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1227736
Signature
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 860700 Sample: t8QNGkAnGw.exe Startdate: 07/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 t8QNGkAnGw.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-3INGB.tmp, PE32 10->31 dropped 13 is-3INGB.tmp 14 23 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 5 other files (4 malicious) 13->39 dropped 16 Rec57.exe 23 13->16         started        process8 dnsIp9 41 45.12.253.56, 49706, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49707, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49708, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\HTKQoQSeC.exe, PE32 16->29 dropped 20 HTKQoQSeC.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-07 09:35:24 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7gn3ztb4bv2fea4ag4uzfvalyn2o6dd5v22z3xfzcohyqbpt44q._file
Verdict:
malicious
Similar samples:
121a989787cc300ec5239c8e4da3823e38d302604f0b14ccb1c560294b33f462
GCleaner
15d6bf017cea7a3c15d078cc48fe69e579fe6ae3dfc170fb0dd4a9f27926e19e
GCleaner
38cf550bdfc6ee19117649f70a28eba50610a4abc737c3bb908935ffce2620b6
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6ea56da5d33549744187c65f81749be722d2e5d8ae1bc93e0d61d2e8d2fb74cf
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7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f
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819c80050c2c41c85c28f745b153bef2ebe52a8c468182f5e3fe44a816fca109
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8f7926e2ea9ec291be5cf704a04d6f209d6f1375fcf34bf679cc5456fbc1cb16
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8ffab91769a6ff3e57f1c5b26f580e0fe41e6dfe5cf05154dbcb77f181508d49
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bf7d9b82ff0c3842fbd1dff7ffa94389d376af2b5d01ce504072f7985b556325
GCleaner
+ 3'096 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230507-lkcc6sec25/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
a2a9e2bff30292d7be6263af5a08d2d1b933503bd0960fa89c4f4978080e1739
MD5 hash:
2430b765120e55e602570d7e03dd4eaf
SHA1 hash:
42ffb2c19facd878bf0017974715037a5babff91
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/cc7c4d83-61ac-452d-9c78-469d31676f43/
SH256 hash:
a333f23bed266a4c210b82432c2de34bf169918d5fb543b1f94581077e2fd1f9
MD5 hash:
1d06ba58e2cb7016702c6bbf3707d524
SHA1 hash:
64ccba3fc52d4c2eef5cce3904c9cb1797f2b2f1
Link:
https://www.unpac.me/results/cc7c4d83-61ac-452d-9c78-469d31676f43/
SH256 hash:
483abd85c8e5627082e956fc14d487fb2537287018d29a060985d457b1ec0ea6
MD5 hash:
cc31d6a6320080e60c9a902bacd33bfa
SHA1 hash:
52113f1382e90bc2a06f654c652116dd00e3002d
Link:
https://www.unpac.me/results/cc7c4d83-61ac-452d-9c78-469d31676f43/
SH256 hash:
37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39
MD5 hash:
2fc6218c0bd89dc0f2471c882a384a07
SHA1 hash:
8d89dea30c0dbef811065b5e47d9f5dc19573962
Link:
https://www.unpac.me/results/cc7c4d83-61ac-452d-9c78-469d31676f43/
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/37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Web download

GCleaner

Executable exe 37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/387283/

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