MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef978e285a3c6003e535fb6d4ad7dbcb0d27cf12e5999346d9326cd573311782. 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: ef978e285a3c6003e535fb6d4ad7dbcb0d27cf12e5999346d9326cd573311782
SHA3-384 hash: 085e162fb51eda767869c4b8e28358d8e1f8fb6a150676be12e86a09f2237d2cc62c5ae7195ab0154f321ddd6aab75e8
SHA1 hash: 1ce9a6c91b07c6492bbdb127918f117a845c8d2e
MD5 hash: 21def4bab674074252c3beed6e8bfa5d
humanhash: tennessee-snake-hot-maryland
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'099'210 bytes
First seen:2023-02-06 06:01:47 UTC
Last seen:2023-02-06 06:30:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:nZA2yaKu72WIpKEgStl3ceAkb5SiBtlnTHO2fGSxvGLCgv2MR:ZA2yatpIpng2ceEiBtlnDXOSxv2v2MR
TLSH T1C6A52300A758C8F5D350EF75ED0E86E1BA776E20E5A05527705C3F1E3A73A8CA05E36A
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon fcfcfcc4ecfcfe00 (51 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
17
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-06 06:02:21 UTC
Tags:
installer
Link:
https://app.any.run/tasks/18362875-cfd9-4055-8d39-7f46710b7770

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/360573/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.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 Windows subdirectories
Launching a process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/65568/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e097db416d38777a7a96e7/reports/cee45042-f976-46f8-acf9-2b3ca03e005a/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/ef978e285a3c6003e535fb6d4ad7dbcb0d27cf12e5999346d9326cd573311782
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/87b4568d-2e34-4ef3-927d-58a0d6ea5aa1
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1166275
Signature
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)
Multi AV Scanner detection for dropped file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 799046 Sample: file.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 96 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 34 C:\Program Files (x86)\...\FRec26.exe, PE32 14->34 dropped 36 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->38 dropped 40 6 other files (none is malicious) 14->40 dropped 17 FRec26.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49702, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49703, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49704, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\t7KtyAh.exe, PE32 17->30 dropped 21 t7KtyAh.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef978e285a3c6003e535fb6d4ad7dbcb0d27cf12e5999346d9326cd573311782/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-06 06:02:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56ly4kc2hrqahzjv7nwuvv63zmgsptys4wmzgrwzgjwnk4zrc6ba._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230206-grflysff7w/
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:
a4575083d571a8989baf308a0ea9b5d566c062094425958e0217c79352fed9fb
MD5 hash:
92fd97116387ba265c48c0a38ba4d14b
SHA1 hash:
7b97f80926c086084a3b5d232494205564ff3490
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/a1f0b567-c655-49ef-8a14-dd03ae5509a8/
SH256 hash:
438590a7960c108c150335d8d116c36bc8d5246c11ad4ce67be74920638f5b16
MD5 hash:
f46b2c7934f9781316ae980afaea982d
SHA1 hash:
d9fdb799225b04cd9adb7fef665dace8a171edf5
Link:
https://www.unpac.me/results/a1f0b567-c655-49ef-8a14-dd03ae5509a8/
SH256 hash:
ef978e285a3c6003e535fb6d4ad7dbcb0d27cf12e5999346d9326cd573311782
MD5 hash:
21def4bab674074252c3beed6e8bfa5d
SHA1 hash:
1ce9a6c91b07c6492bbdb127918f117a845c8d2e
Link:
https://www.unpac.me/results/a1f0b567-c655-49ef-8a14-dd03ae5509a8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/ef978e285a3c6003e535fb6d4ad7dbcb0d27cf12e5999346d9326cd573311782

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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/360573/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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