MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99443bd9839ef3639842466ad14ec9a3fe0ea7964f764ff1b32a69482f0bae6. 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: b99443bd9839ef3639842466ad14ec9a3fe0ea7964f764ff1b32a69482f0bae6
SHA3-384 hash: 8e9f72a2b2e44bda193777f0656292c3eb80242cca0408ea411230a70f03e6d6dd68227b51faccc3bb2e833c8392c591
SHA1 hash: ed1f161bbbc52dde799495f8acd5c11a127f4153
MD5 hash: 2ef177096c705b87e3c903ef83b96ba8
humanhash: papa-december-fillet-double
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:404'480 bytes
First seen:2022-09-16 20:27:23 UTC
Last seen:2022-09-16 21:14:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 26f02c003d95af437f96c528a6227917 (5 x Stop, 4 x RedLineStealer, 3 x GCleaner)
ssdeep 6144:XFsXLAXjW28TUD+C8bhUXVtWMt+PGN1npso0kqSnigabwVf:XF40Xj58TUi7FUFgMgON1np6kfi
TLSH T1A684DF227992D8B1C8552E308432CFA426BFFC6166245647F7B43B5E2E73390697239F
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 32f0c8c8d8d8e8e0 (1 x GCleaner)
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 :
357
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Suspicious activity
Analysis date:
2022-09-16 20:29:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/30ea4ada-c4d5-45ce-b3a1-d8d6022f78b3

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/310725/
Detection(s):
Win.Packed.Tofsee-9951336-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file
Sending an HTTP GET request
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/37995/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6324dccc6da26524a14428ea/reports/76dd1477-05dc-471b-8a29-6dc638875e31/overview
Result
Verdict:
SUSPICIOUS
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/51f2e8b1-153a-4869-a362-7aad1f992957
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1071928
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b99443bd9839ef3639842466ad14ec9a3fe0ea7964f764ff1b32a69482f0bae6/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2022-09-16 20:28:11 UTC
File Type:
PE (Exe)
Extracted files:
70
AV detection:
17 of 39 (43.59%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgkehpmyhhxtmomeertk2fhmti76b2tzmt3wj7y3gktjjaxqxlta._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim trojan
Link:
https://tria.ge/reports/220916-y8z6csgeh9/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Checks computer location settings
Deletes itself
NyMaim
Malware Config
C2 Extraction:
208.67.104.97
85.31.46.167
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/31794099-f699-4cc3-ab50-5f248a76d18e
Unpacked files
SH256 hash:
492d13d6fe7c1433d047a69b62224774cfc18536a50e414a921c33c0fe51cc60
MD5 hash:
4d2fc1113ef8ab7e7827141248ba861f
SHA1 hash:
9cff2488b05a03268a01e25a7e64d25f95f5357b
Link:
https://www.unpac.me/results/b30fd5da-0aca-4019-9e91-a33f91a4f192/
SH256 hash:
b99443bd9839ef3639842466ad14ec9a3fe0ea7964f764ff1b32a69482f0bae6
MD5 hash:
2ef177096c705b87e3c903ef83b96ba8
SHA1 hash:
ed1f161bbbc52dde799495f8acd5c11a127f4153
Link:
https://www.unpac.me/results/b30fd5da-0aca-4019-9e91-a33f91a4f192/
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/b99443bd9839ef3639842466ad14ec9a3fe0ea7964f764ff1b32a69482f0bae6

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Record_Breaker_Similarities
Create hunting rule
Author:DigitalPanda

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/310725/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments