MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73. 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


Chaos


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73
SHA3-384 hash: 92e5972a7d234213f556f9744ad4a71f8116ac069b058f5500ff40b4745e11d6a0fa7e58b16cf2947c6640fb9513f80b
SHA1 hash: 95165153c5aa6b9c6da21fd4dbfeef9c6f54dc03
MD5 hash: afc111650ae361b1842619760fa91be2
humanhash: angel-coffee-india-november
File name:pccleaner_setup.exe
Download: download sample
Signature Chaos
Create hunting rule
File size:1'298'838 bytes
First seen:2025-02-25 21:47:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c4dfd81799750b8216e23427ad6f5f1c (1 x Chaos, 1 x PureCrypter)
ssdeep 24576:UDLjcheV9PUNZoMe+wL8On+wKGi0JPrVI+myKwOS6zs65v:EJUxwFPrXKqIZt
TLSH T1CC55BE40FBC319F5EE82497C419BAB3F5E25B5168335CDD3DB801902E8E2AD17A3929D
TrID 33.7% (.EXE) InstallShield setup (43053/19/16)
24.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
12.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.2% (.EXE) Win64 Executable (generic) (10522/11/4)
5.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
dhash icon 92e0b496a2cada72 (11 x Adware.Generic, 6 x Adware.InstalleRex, 2 x Adware.Yantai)
Reporter skocherhan
Tags:Chaos exe installforge Ransomware


Avatar
skocherhan
https://tinyfilemanagerdemo.alwaysdata.net/pccleaner_setup.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
983
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
pccleaner_setup.exe
Verdict:
Malicious activity
Analysis date:
2025-02-25 15:07:55 UTC
Tags:
crypto-regex chaos ransomware stealer
Link:
https://app.any.run/tasks/c01cecfe-6b66-45cc-9abd-2ca361e293c7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

SecuriteInfo.com.Variant.Tedy.522773.20549.3342.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67be3af028ab76d43a5d1c40
Tags:
extens virus blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
Searching for synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypto fingerprint keylogger microsoft_visual_cc obfuscated overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67be3a9b3afc3763bec68f2f/reports/b71535f7-c66d-43f0-aa30-819befea4084/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ff470a97-06f6-4d5d-ac02-ce5c9a13e4af
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.expl.evad
Score:
70 / 100
Link:
https://www.joesandbox.com/analysis/1624177
Signature
Antivirus detection for dropped file
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Found ransom note / readme
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Tries to harvest and steal browser information (history, passwords, etc)
Uses bcdedit to modify the Windows boot settings
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1624177 Sample: pccleaner_setup.exe Startdate: 25/02/2025 Architecture: WINDOWS Score: 70 97 Malicious sample detected (through community Yara rule) 2->97 99 Antivirus detection for dropped file 2->99 101 Multi AV Scanner detection for dropped file 2->101 103 9 other signatures 2->103 9 pccleaner_setup.exe 11 32 2->9         started        13 Windows Defender.exe 2->13         started        15 wbengine.exe 2->15         started        17 3 other processes 2->17 process3 file4 79 C:\Program Files (x86)\...\Uninstall.exe, PE32 9->79 dropped 81 C:\Program Files (x86)\...\PCCleaner.exe, PE32 9->81 dropped 121 Deletes shadow drive data (may be related to ransomware) 9->121 19 PCCleaner.exe 3 9->19         started        123 Overwrites Mozilla Firefox settings 13->123 125 Uses bcdedit to modify the Windows boot settings 13->125 127 Tries to harvest and steal browser information (history, passwords, etc) 13->127 23 cmd.exe 13->23         started        25 cmd.exe 13->25         started        27 cmd.exe 13->27         started        29 notepad.exe 13->29         started        129 Creates files inside the volume driver (system volume information) 15->129 signatures5 process6 file7 77 C:\Users\user\...\Windows Defender.exe, PE32 19->77 dropped 113 Deletes shadow drive data (may be related to ransomware) 19->113 31 Windows Defender.exe 3 54 19->31         started        115 May disable shadow drive data (uses vssadmin) 23->115 35 vssadmin.exe 23->35         started        37 conhost.exe 23->37         started        39 WMIC.exe 23->39         started        117 Uses bcdedit to modify the Windows boot settings 25->117 41 conhost.exe 25->41         started        43 bcdedit.exe 25->43         started        45 bcdedit.exe 25->45         started        119 Deletes the backup plan of Windows 27->119 47 conhost.exe 27->47         started        49 wbadmin.exe 27->49         started        signatures8 process9 file10 83 C:\Users\user\AppData\Roaming\...\read_it.txt, ASCII 31->83 dropped 85 C:\Users\user\AppData\Roaming\...\read_it.txt, ASCII 31->85 dropped 87 C:\Users\user\AppData\Roaming\...\read_it.txt, ASCII 31->87 dropped 89 3 other malicious files 31->89 dropped 91 Deletes shadow drive data (may be related to ransomware) 31->91 93 Overwrites Mozilla Firefox settings 31->93 95 Uses bcdedit to modify the Windows boot settings 31->95 51 cmd.exe 1 31->51         started        54 cmd.exe 1 31->54         started        56 cmd.exe 1 31->56         started        58 notepad.exe 31->58         started        signatures11 process12 signatures13 105 May disable shadow drive data (uses vssadmin) 51->105 107 Deletes shadow drive data (may be related to ransomware) 51->107 109 Uses bcdedit to modify the Windows boot settings 51->109 60 vssadmin.exe 1 51->60         started        63 WMIC.exe 1 51->63         started        65 conhost.exe 51->65         started        67 bcdedit.exe 9 1 54->67         started        69 bcdedit.exe 8 1 54->69         started        71 conhost.exe 54->71         started        111 Deletes the backup plan of Windows 56->111 73 conhost.exe 56->73         started        75 wbadmin.exe 56->75         started        process14 signatures15 131 Deletes shadow drive data (may be related to ransomware) 60->131
Score:
66%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73/
Threat name:
ByteCode-MSIL.Ransomware.Small
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 16:56:00 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yr22vlsrj3zvzfqgujreqeehvcrj7zm5fxytfsdtpzcmryruxnzq._file
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos discovery ransomware
Link:
https://tria.ge/reports/250225-1nslwsyly8/
Behaviour
Suspicious use of FindShellTrayWindow
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Chaos
Chaos Ransomware
Chaos family
Verdict:
Malicious
Tags:
Win.Ransomware.Hydracrypt-9878672-0
YARA:
n/a
Link:
https://app.threat.zone/submission/22d41a2e-ac72-4581-a2c7-75d114d4fdf4
Unpacked files
SH256 hash:
57cc4023b38b9e512bf413c5d7299f367923235c0e19d20ab675f5b77c080cca
MD5 hash:
f553dfb018cecffd6b8abfdc3ba8a8dc
SHA1 hash:
59f8858d416faf40e95960939a9e9775b386e135
Link:
https://www.unpac.me/results/4f304b5d-54ed-47ef-8fb0-bf2604ce99ed/
SH256 hash:
ba6fac4cf07770f479766095b0edce0007ece51bd2d6b560e66d959f436527ec
MD5 hash:
e79de75bae887e4dce680b144868c4ed
SHA1 hash:
9f597c7358fc58375a33ea4fbd7e2e8df197991e
Detections:
Destructive_Ransomware_Gen1
Create hunting rule
INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
MALWARE_Win_Chaos
Create hunting rule
Link:
https://www.unpac.me/results/4f304b5d-54ed-47ef-8fb0-bf2604ce99ed/
SH256 hash:
c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73
MD5 hash:
afc111650ae361b1842619760fa91be2
SHA1 hash:
95165153c5aa6b9c6da21fd4dbfeef9c6f54dc03
Link:
https://www.unpac.me/results/4f304b5d-54ed-47ef-8fb0-bf2604ce99ed/
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/c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Chaos

Executable exe c475aaae514ef35c9606a262481087a8a29fe59d2df132c8737e44c8e234bb73

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3452426/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdipDeleteGraphics
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptGenRandom
ADVAPI32.dll::CryptGetHashParam
ADVAPI32.dll::CryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments