MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9dab6749bdeef4e92502efed4e21f46f8590b7534d01b93576a63f4ac1e77851. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 9dab6749bdeef4e92502efed4e21f46f8590b7534d01b93576a63f4ac1e77851
SHA3-384 hash: e372db42094c959d160fa549300925f1c1dc20958956468b84435d7e7364f58604f48b5f08eaa4000d80b70a8cfebac4
SHA1 hash: aff3a50149617b1d84544e58a7f08baf06ac6473
MD5 hash: 88a65f4208e3527decd4128072084dd8
humanhash: green-speaker-delaware-oxygen
File name:2023-03-16_88a65f4208e3527decd4128072084dd8_wannacry
Download: download sample
Signature Chaos
File size:244'224 bytes
First seen:2023-03-17 04:23:45 UTC
Last seen:2023-03-29 03:36:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:moKYar96VL9z3+wdSe1WcBRjpW5VFMNBDf5qIS/QWqGiUEJhREVUAISsdWBYf7Dx:qr9GLhxhdsVFGEeRJk8nrKfQ+
Threatray 968 similar samples on MalwareBazaar
TLSH T14F34CF342EFA502AF1B3EE7D9BE4759A955EB7A33707885D20B1038A0723943DDC153A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:Chaos

Intelligence


File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AnGryTUrkEy.rar
Verdict:
Malicious activity
Analysis date:
2023-03-15 09:30:20 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Moving a recently created file
Changing a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe filecoder hydracrypt packed ransomware ransomx sorry
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.
Malware family:
CHAOS Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Drops PE files with benign system names
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Delete shadow copy via WMIC
Sigma detected: Drops script at startup location
Uses bcdedit to modify the Windows boot settings
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 828408 Sample: dGfyGYwNAF.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 Multi AV Scanner detection for submitted file 2->87 89 5 other signatures 2->89 8 dGfyGYwNAF.exe 4 2->8         started        12 svchost.exe 7 2->12         started        15 wbengine.exe 2->15         started        17 6 other processes 2->17 process3 dnsIp4 73 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->73 dropped 75 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->75 dropped 77 C:\Users\user\AppData\...\dGfyGYwNAF.exe.log, CSV 8->77 dropped 103 Drops PE files with benign system names 8->103 19 svchost.exe 4 54 8->19         started        79 192.168.2.1 unknown unknown 12->79 105 Deletes shadow drive data (may be related to ransomware) 12->105 107 Uses bcdedit to modify the Windows boot settings 12->107 23 cmd.exe 12->23         started        25 cmd.exe 12->25         started        27 cmd.exe 12->27         started        109 Creates files inside the volume driver (system volume information) 15->109 file5 signatures6 process7 file8 65 C:\Users\user\Desktop\SFPUSAFIOL.png, ASCII 19->65 dropped 67 C:\Users\user\Desktop\RAYHIWGKDI.xlsx, ASCII 19->67 dropped 69 C:\Users\user\Desktop\...69IKHQAIQAU.jpg, ASCII 19->69 dropped 71 C:\Users\user\AppData\Roaming\...\svchost.url, MS 19->71 dropped 91 Multi AV Scanner detection for dropped file 19->91 93 Deletes shadow drive data (may be related to ransomware) 19->93 95 Uses bcdedit to modify the Windows boot settings 19->95 97 Modifies existing user documents (likely ransomware behavior) 19->97 29 cmd.exe 1 19->29         started        32 cmd.exe 1 19->32         started        34 cmd.exe 19->34         started        99 May disable shadow drive data (uses vssadmin) 23->99 36 conhost.exe 23->36         started        38 vssadmin.exe 23->38         started        40 WMIC.exe 23->40         started        42 conhost.exe 25->42         started        44 2 other processes 25->44 101 Deletes the backup plan of Windows 27->101 46 2 other processes 27->46 signatures9 process10 signatures11 111 May disable shadow drive data (uses vssadmin) 29->111 113 Deletes shadow drive data (may be related to ransomware) 29->113 115 Uses bcdedit to modify the Windows boot settings 29->115 48 conhost.exe 29->48         started        51 WMIC.exe 1 29->51         started        53 vssadmin.exe 1 29->53         started        55 bcdedit.exe 8 1 32->55         started        57 conhost.exe 32->57         started        59 bcdedit.exe 32->59         started        117 Deletes the backup plan of Windows 34->117 61 conhost.exe 34->61         started        63 wbadmin.exe 34->63         started        process12 signatures13 81 Deletes the backup plan of Windows 48->81
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Status:
Malicious
First seen:
2023-03-16 02:06:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chaos evasion ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Sets desktop wallpaper using registry
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Deletes backup catalog
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
9dab6749bdeef4e92502efed4e21f46f8590b7534d01b93576a63f4ac1e77851
MD5 hash:
88a65f4208e3527decd4128072084dd8
SHA1 hash:
aff3a50149617b1d84544e58a7f08baf06ac6473
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:INDICATOR_KB_ID_Ransomware_Chaos
Author:ditekShen
Description:Detects files referencing identities associated with Chaos ransomware
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:MALWARE_Win_Chaos
Author:ditekSHen
Description:Detects Chaos ransomware
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments