MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d7adfdf90ca831a45425d3efd6ce639f2fece4f48f5b0a55d7fc5a645b9acc4. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 1d7adfdf90ca831a45425d3efd6ce639f2fece4f48f5b0a55d7fc5a645b9acc4
SHA3-384 hash: db96d4e7c62e84596e7fc80c3b7fbd701f5a298cee0e79b95281ae69e11151800f73af26c09bd00b0253c08d2fb7fcbc
SHA1 hash: 78c589b074e3f06808caa4c37d0b09b8890bceda
MD5 hash: 6ede7e347c720462e344c8fda269723b
humanhash: one-colorado-charlie-stream
File name:6ede7e347c720462e344c8fda269723b.exe
Download: download sample
Signature GCleaner
File size:383'488 bytes
First seen:2022-07-02 14:36:12 UTC
Last seen:2022-07-02 15:39:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b2695721cd61f19fe270e798045312e (2 x RedLineStealer, 2 x ArkeiStealer, 1 x Smoke Loader)
ssdeep 6144:QHTx0I00wgFxPO93/UzGwWF6M5NX5Pz5Fz/4jgQu76KveWhQtGm:Qzl00wYxPO9szGwa1l5PbAjgQS6Kg
TLSH T12884BF10BA90D434F5F722F45AB69368B93E7AE1972454CF52E026EE4734AE0EC3135B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 33f0696969696969 (117 x GCleaner, 10 x Nymaim, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656036 Sample: N4cC7euM3u.exe Startdate: 02/07/2022 Architecture: WINDOWS Score: 68 19 Yara detected Nymaim 2->19 21 Machine Learning detection for sample 2->21 7 N4cC7euM3u.exe 14 2->7         started        process3 dnsIp4 17 45.141.237.38, 49761, 80 SPECTRAIPSpectraIPBVNL Netherlands 7->17 23 Detected unpacking (changes PE section rights) 7->23 25 Detected unpacking (overwrites its own PE header) 7->25 11 cmd.exe 1 7->11         started        signatures5 process6 process7 13 taskkill.exe 1 11->13         started        15 conhost.exe 11->15         started       
Threat name:
Win32.Trojan.GCleaner
Status:
Malicious
First seen:
2022-07-02 14:37:04 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim trojan
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
NyMaim
Malware Config
C2 Extraction:
45.141.237.3
31.210.20.149
212.192.241.16
Unpacked files
SH256 hash:
1d7adfdf90ca831a45425d3efd6ce639f2fece4f48f5b0a55d7fc5a645b9acc4
MD5 hash:
6ede7e347c720462e344c8fda269723b
SHA1 hash:
78c589b074e3f06808caa4c37d0b09b8890bceda
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_de41
Author:Johannes Bader
Description:detects GCleaner

File information


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

Web download

GCleaner

Executable exe 1d7adfdf90ca831a45425d3efd6ce639f2fece4f48f5b0a55d7fc5a645b9acc4

(this sample)

  
Delivery method
Distributed via web download

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