MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469
SHA3-384 hash: f4a3716d08a582077b278e2c440c3a649d784176f37f9b484f31c7f2c0883967233b953d0e3c06dc01799973fa9cae06
SHA1 hash: bbeb62bbc94710a2cf5d20795c6efc3b2fc953df
MD5 hash: 3671fefaea7820881fbe38ae64571809
humanhash: nevada-grey-oven-artist
File name:3671fefaea7820881fbe38ae64571809.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'964'365 bytes
First seen:2023-03-10 12:18:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:AGtvc9miqAeRj1YXxopMOH3JQ+xf/Ii1GH3HoVOUED3BGVx/Ma8+Kkw56zNOKz:dyURxT3W+xl1GXHyOZuBMT/kQ6zNOKz
Threatray 2'232 similar samples on MalwareBazaar
TLSH T1B5D5335990E7C7B5E2A2C6B01D781B0A4D5BFDB62D7E800D756C8E8E1B12D60A02C7F7
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 abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
3671fefaea7820881fbe38ae64571809.exe
Verdict:
Malicious activity
Analysis date:
2023-03-10 12:30:38 UTC
Tags:
installer gcleaner loader stealer rat redline opendir cryptbot
Link:
https://app.any.run/tasks/769cef20-f332-41bc-bf07-542435b54a79

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/373352/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.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
Sending a custom TCP request
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
Sending an HTTP GET request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/72528/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/640b203b8a02c7ebaf240a50/reports/9170b7dd-35bf-4af0-b192-25bed8880a26/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2f6ab752-dd73-4efe-9dbc-13e8587e6a33
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1191301
Signature
Antivirus / Scanner detection for submitted sample
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)
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: 824176 Sample: JdyjkX3Cvq.exe Startdate: 10/03/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 7 other signatures 2->55 10 JdyjkX3Cvq.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-U62S3.tmp, PE32 10->31 dropped 13 is-U62S3.tmp 15 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 FRec39.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49695, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49696, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49697, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\k3ik8NUZ6RAw.exe, PE32 16->29 dropped 20 k3ik8NUZ6RAw.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/541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469/
Threat name:
Win32.Trojan.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2023-03-09 16:59:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqnauzkkv5ab5nk4pklnv3zfilkwyzbtcfelpklianm6ztdvaruq._file
Verdict:
malicious
Similar samples:
14acfa9f01f0893a67fc56ff86bf859428c0d25c6bc7a3c7eac2d78b7fd813e1
GCleaner
3c06389cbfe7ebc70b30e233cc304a59605fca85df724eb80f484ec41dcd0a6e
GCleaner
5b06a1d47febc51608577e8827a61ae277ac79a5d4beeeab6bc1ddd6b9a88077
GCleaner
806374db08f908a0e5622f192bebb29d262b442cda27038d214d3fb802e6311c
GCleaner
86a1d5c55b17007a02cc79abbcae676cd83002dc027e10d4992634033402b30e
GCleaner
9a30eba2ab71b1a2c246b3347ae5504785e2a4b529e74b40c83c6a5711a806a6
GCleaner
9fba8733adf4186bd258da008bc4ba26e72e871fa6df2815d8a2ce2c9eb4d451
GCleaner
+ 2'222 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230310-pg7lpafd2x/
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:
732f19d5e3afd0ed5e88bb95df35855dfad73f8a1ac575d1b639d5416356e726
MD5 hash:
4223cc87f7d4f768cbd66e68c7ea108f
SHA1 hash:
d4faee6e8b536cceea507f329b81e5a8d90baffc
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/06361b9c-a9c3-4ecb-9685-d69e9ca8975d/
SH256 hash:
f09a242c89c06a1162bcba2d491b6e85a3c03951eaa95473f4ca340e4a0466cb
MD5 hash:
8fb972ea0c7540ec92cc093657ec046e
SHA1 hash:
d1a7083a08d40f34e77ec943c2e5fae4a250312e
Link:
https://www.unpac.me/results/06361b9c-a9c3-4ecb-9685-d69e9ca8975d/
SH256 hash:
52b403c91b4f102446e0cda8a997120844dd98b84f28c26f7d41856e5f643c8c
MD5 hash:
58cb9173212dc6f2edad094110a24663
SHA1 hash:
05cd344d3e01c80af2200f38917e20c0258607ef
Link:
https://www.unpac.me/results/06361b9c-a9c3-4ecb-9685-d69e9ca8975d/
SH256 hash:
541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469
MD5 hash:
3671fefaea7820881fbe38ae64571809
SHA1 hash:
bbeb62bbc94710a2cf5d20795c6efc3b2fc953df
Link:
https://www.unpac.me/results/06361b9c-a9c3-4ecb-9685-d69e9ca8975d/
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/541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469

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

File information

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

Web download

GCleaner

Executable exe 541a0a654aaf401eb55c7a96daef2542d56c64331148b7a9680359eccc750469

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/373352/

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