MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c
SHA3-384 hash: d11111c82c29aaa257fd4e6102855bdacb91ab9865fab9c49e7c5878975741d38463df2ffa02b4b8716487dd3bd5c76e
SHA1 hash: eeed99d7dee782031a05f0f277d1a1145cf3b47f
MD5 hash: 40bf87d4cd661a40cbf94888a265fbcc
humanhash: ten-west-dakota-bacon
File name:40bf87d4cd661a40cbf94888a265fbcc.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'013'041 bytes
First seen:2023-05-09 08:36:27 UTC
Last seen:2023-05-09 08:47:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:gbH2QlhvLwavn3PCozHfBSlZ/w12LM6o+BAG5cW:gbLl1cavJLcZ/wEXBXcW
Threatray 3'108 similar samples on MalwareBazaar
TLSH T1CE953361FC5B12B8D9A2C3B09F2ED4D20F363F348064A46FAE4B156E1E7319458386DE
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 :
2
# of downloads :
256
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40bf87d4cd661a40cbf94888a265fbcc.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 08:39:21 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/9e579309-dc6e-466f-9c4d-0f9a711aedcf

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/387756/
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
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 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 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/83178/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed packed
Link:
https://www.filescan.io/uploads/645a062f8399e8849cbca394/reports/4b765ab1-52fc-4469-aa86-91bdca13da2b/overview
Verdict:
Malicious
Labled as:
Trojan/Malware
Link:
https://www.hybrid-analysis.com/sample/56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c
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/d117a383-ffdb-47bd-af5d-9c8e1a74af35
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229005
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-09 08:37:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2qs56of6bukohfshpmxjt643flyhwvwkkjqywu25ga2iuu2qiga._file
Verdict:
malicious
Similar samples:
121a989787cc300ec5239c8e4da3823e38d302604f0b14ccb1c560294b33f462
GCleaner
15d6bf017cea7a3c15d078cc48fe69e579fe6ae3dfc170fb0dd4a9f27926e19e
GCleaner
37ccdde661e06ba2901c01b94c96a05e1ba77863ed75aceee5c89c7c402f9f39
GCleaner
38cf550bdfc6ee19117649f70a28eba50610a4abc737c3bb908935ffce2620b6
GCleaner
59d0a86e29a877fe6ab943b03f01a553274e626eb5f2da49605b98aaa23e6ab4
GCleaner
6ea56da5d33549744187c65f81749be722d2e5d8ae1bc93e0d61d2e8d2fb74cf
GCleaner
7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f
GCleaner
819c80050c2c41c85c28f745b153bef2ebe52a8c468182f5e3fe44a816fca109
GCleaner
8ffab91769a6ff3e57f1c5b26f580e0fe41e6dfe5cf05154dbcb77f181508d49
GCleaner
bf7d9b82ff0c3842fbd1dff7ffa94389d376af2b5d01ce504072f7985b556325
GCleaner
+ 3'098 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230509-kh522agh6t/
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
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:
e8bd66a73e7cb0e5b2190ca318230f726de2428efb2e9738416f251da7e94aa1
MD5 hash:
4f77957c36af37aa54375817fcf3f5f2
SHA1 hash:
fc73bd1f5d18fc05a972a2cfbf24de944bea10d3
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/4197d2ec-53c5-45f4-8a4a-73cd6fb170be/
SH256 hash:
df4e3bd4f3b14fcec867d96080d67deaf33b9d928b8d09d57a63dfe6bf5702c3
MD5 hash:
26688735706ceefa634e3d5a08d2d748
SHA1 hash:
d7510027d3f70979fd335de767f9be95ea5ebc4e
Link:
https://www.unpac.me/results/4197d2ec-53c5-45f4-8a4a-73cd6fb170be/
SH256 hash:
2a3b53b468415df8640a91c01d133d117e49862949207eda30280b1b633580b0
MD5 hash:
3cede1a7afced81c1fedcac0dc13c784
SHA1 hash:
90731a4134fae6443eb987479d1a71659669ab12
Link:
https://www.unpac.me/results/4197d2ec-53c5-45f4-8a4a-73cd6fb170be/
SH256 hash:
56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c
MD5 hash:
40bf87d4cd661a40cbf94888a265fbcc
SHA1 hash:
eeed99d7dee782031a05f0f277d1a1145cf3b47f
Link:
https://www.unpac.me/results/4197d2ec-53c5-45f4-8a4a-73cd6fb170be/
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/56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c

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 56a12ef9c5f068a71cb23bd974cfdcd95783dab652930c5a9ae981a4529a820c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/387756/

Comments