MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a27f607b4fffc527e0222e103c77b8839206f09072a9f3bf0b5e2b0e4c7915e7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a27f607b4fffc527e0222e103c77b8839206f09072a9f3bf0b5e2b0e4c7915e7
SHA3-384 hash: 827927fd935dbe4171aed3ac1303b6095f808c6cf93ce61f0dbad533c4b9fd1881a0de941cd3a58cee271bc501205da1
SHA1 hash: 69eb28ddc3cd2a693ba44bc7cafdc190389f3399
MD5 hash: 25446fd20fb24c2d5f48b208ad6af9bc
humanhash: mountain-mirror-india-quiet
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'993'465 bytes
First seen:2022-11-04 06:47:13 UTC
Last seen:2022-11-04 07:15:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2tiT4cXNtCiu04NUs+MFZoicKPiCS9sx6dPlewHkfC0oA5hq:MR0Ntzu0uZFGnKh6d9HkN3Dq
TLSH T158D533360BA68AB1E8628B7C5E3C7A24B47279DA0D7DE490F1AC081D3E77741DA45F70
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 andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
12
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-04 06:49:55 UTC
Tags:
installer evasion loader trojan ficker stealer vidar
Link:
https://app.any.run/tasks/1e3ac47d-2543-46bd-bb02-c8b7ad0a00e4

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/328349/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Sending a custom TCP request
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
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
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/48324/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6364b5a33c6c57b4ec40f09f/reports/b2f6cf92-0715-434c-ab39-90e21e2bd44f/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/edf6017f-4e3c-4c3a-9274-91a291d0d47a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1105168
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)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737829 Sample: file.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-JLV4M.tmp, PE32 10->31 dropped 13 is-JLV4M.tmp 16 25 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 4 other files (2 malicious) 13->39 dropped 16 fpsearcher69.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49700, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49701, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\mlP5mqfOJ0AQM.exe, PE32 16->29 dropped 20 mlP5mqfOJ0AQM.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a27f607b4fffc527e0222e103c77b8839206f09072a9f3bf0b5e2b0e4c7915e7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 06:48:13 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uj7wa62p77cspybcfyidy55yqojan4eqoku7hpyllyvq4tdzcxtq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221104-hkrw3scga5/
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fd3f7434-019d-4350-94a7-8af1c87543fa
Unpacked files
SH256 hash:
7a83483ffbed3f97c51b52313cf95e8382880e3911c6ec30ade8e18807fb13d7
MD5 hash:
725fe72235c599d4c7d8a11cf199e788
SHA1 hash:
b1e7153ce676c386dfde76acccd9a5bd75197907
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/75fd33f8-6d41-417a-9a51-b6171123680a/
SH256 hash:
dd20db664a6a34f17b1c146100871df65473217a72ab8d630be83ba4eb04469f
MD5 hash:
9eeb7cbe131363618f51bfd6279ed7a7
SHA1 hash:
f018d5d308cdbb46a1a19d044b388fc20b3d9282
Link:
https://www.unpac.me/results/75fd33f8-6d41-417a-9a51-b6171123680a/
SH256 hash:
ade0b10a5a460a9fd09792d4d625c0b8793e05eb86eadb1ad90e6525b619d42c
MD5 hash:
d2b3e4e48e18c6d30035f4ca2dc852f9
SHA1 hash:
373d181f17782d2ddce09b84a5a86e5e8b642c12
Link:
https://www.unpac.me/results/75fd33f8-6d41-417a-9a51-b6171123680a/
SH256 hash:
a27f607b4fffc527e0222e103c77b8839206f09072a9f3bf0b5e2b0e4c7915e7
MD5 hash:
25446fd20fb24c2d5f48b208ad6af9bc
SHA1 hash:
69eb28ddc3cd2a693ba44bc7cafdc190389f3399
Link:
https://www.unpac.me/results/75fd33f8-6d41-417a-9a51-b6171123680a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/a27f607b4fffc527e0222e103c77b8839206f09072a9f3bf0b5e2b0e4c7915e7

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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/328349/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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