MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d857b073b5730d156c398f81ae88ed44c4c66bfae9de894b3e9058328c5d73f6. 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: d857b073b5730d156c398f81ae88ed44c4c66bfae9de894b3e9058328c5d73f6
SHA3-384 hash: 0367a5482a1f0773a7746f7ef416be105ce23478a2152483ba54a24306ad3e8d5b3b269a11a26643ceff3bf781359efe
SHA1 hash: a466deb5489aa501d10f8bf92656a9ab89bc3807
MD5 hash: d624968db7e41a511ea51486e17f0b73
humanhash: montana-steak-iowa-mockingbird
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'534'634 bytes
First seen:2022-10-23 08:45:39 UTC
Last seen:2022-10-23 08:59:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2hMV4udzlF4J/bp9BHki896Iwv+B7GhicrWvRiF2PutHiGlA5hq:MhMVvFlF4J/bp9D8cIoO0iS0RiFXHiLW
TLSH T128C5336D755D01B6E923A6B84C2BC7475B3E6614A172A99FB8CCD40C0F33F85640BBAC
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 :
9
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 08:46:29 UTC
Tags:
installer loader trojan evasion stealer ficker opendir vidar
Link:
https://app.any.run/tasks/cc088852-9c5f-49fb-9e1c-34e66de75bb7

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/322902/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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/44646/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/6354ff4b66721ebd9b2f7838/reports/8301a180-b4a8-4ede-ba14-db8213206307/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9748c7fb-5873-430f-b02e-72641c8b2582
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095811
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: 728452 Sample: file.exe Startdate: 23/10/2022 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-7VANE.tmp, PE32 10->31 dropped 13 is-7VANE.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 ersearcher57.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\...\1vQtvi32jXHtVH.exe, PE32 16->29 dropped 20 1vQtvi32jXHtVH.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/d857b073b5730d156c398f81ae88ed44c4c66bfae9de894b3e9058328c5d73f6/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-23 09:12:33 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bl3a45vomgrk3bzr6a25chnitcmm2725hpissz6sbmdfdc5op3a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221023-kpajpsheck/
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/8975b8d5-c852-4398-950c-ed34c8b6a6de
Unpacked files
SH256 hash:
bb2d10b4edcb89090f3dba063c2d536dd2b81b668cecabbdda39261d19a47cfe
MD5 hash:
16857f213456bb06d8293875d480da27
SHA1 hash:
1fe68d92384eb1445ee55609ca278952c1946469
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/61927e5e-a134-44e8-8b4e-88490c499aa4/
SH256 hash:
04a9058afb8a0ac36ceaab85aada43ed20b5d9bfa8af3a2cd2d33ed0a23b0119
MD5 hash:
665e8dfc8f5c4ac8c98564b48cd191ae
SHA1 hash:
1b00b80af57947d53dd78d4f5e0c791045a020fa
Link:
https://www.unpac.me/results/61927e5e-a134-44e8-8b4e-88490c499aa4/
SH256 hash:
d857b073b5730d156c398f81ae88ed44c4c66bfae9de894b3e9058328c5d73f6
MD5 hash:
d624968db7e41a511ea51486e17f0b73
SHA1 hash:
a466deb5489aa501d10f8bf92656a9ab89bc3807
Link:
https://www.unpac.me/results/61927e5e-a134-44e8-8b4e-88490c499aa4/
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/d857b073b5730d156c398f81ae88ed44c4c66bfae9de894b3e9058328c5d73f6

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/322902/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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