MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47
SHA3-384 hash: 448a768b22a26787f974f9530a96f11503703bfec4251768b5e2be3d62de6b1b1a358d80d62afd2f9ebe6a9279e82c57
SHA1 hash: 735bd32c26d67958ac3a4024ea8469907c607a1a
MD5 hash: 20e4e0cf058ee58dc97f7c9f7ea72b00
humanhash: pip-three-aspen-virginia
File name:20e4e0cf058ee58dc97f7c9f7ea72b00.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:397'312 bytes
First seen:2022-07-17 08:49:51 UTC
Last seen:2022-07-17 09:49:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b3180fea6db0e45dd703f881b047c2d9 (2 x RedLineStealer, 1 x Tofsee, 1 x GCleaner)
ssdeep 6144:b7EzYsMRmXm3jg/vCQwrBF6WLhhzd8hyiOWEc3v0rp+gyR:bgjMg2TSvCQwrBld1d8hJMVm
TLSH T1C584BF00BB90C435F5B752F489BAC37CB92E7AA0572455CB62E42AEE57346E0EC3135B
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 9bf8fcf4ece4e4f4 (1 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/291318/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.25361.10586.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/26450/overview
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Gathering data
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/77786dda-3881-4bba-b806-7ee5ab07678d
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1034597
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2022-07-17 08:50:07 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tajfsklp3bjlbhqc56abgxhkrfhxiwaim7af7h5eghyuyf2v3vdq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim trojan
Link:
https://tria.ge/reports/220717-krk38aaafp/
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
212.192.241.16
Unpacked files
SH256 hash:
7abf267ff805237fcee74e1b0b9c31f0818b57eee22394c66c5731fc5b59eca3
MD5 hash:
296688e6aaefa8a2996428931f4dc991
SHA1 hash:
002329055b4d1db99e02dd2b5fce592ef7e0ba18
Detections:
win_nymaim_g0
Create hunting rule
Link:
https://www.unpac.me/results/8494e104-1153-46dd-8cda-1bf1ed6379a9/
Parent samples :
dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac
981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47
SH256 hash:
981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47
MD5 hash:
20e4e0cf058ee58dc97f7c9f7ea72b00
SHA1 hash:
735bd32c26d67958ac3a4024ea8469907c607a1a
Link:
https://www.unpac.me/results/8494e104-1153-46dd-8cda-1bf1ed6379a9/
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/981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47

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:win_gcleaner_de41
Create hunting rule
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 981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/291318/
  
URLhaus
https://urlhaus.abuse.ch/url/2212368/
  
Delivery method
Distributed via web download

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