chaos | 77fcbbfa7a2bd9d882272e571f356fbea374e0c662b4de444af8793708767a5e

Analysis

max time kernel
114s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 14:25

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General

Target

2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
Size

24KB
MD5

888b8d186f13aeb525e7687271723a33
SHA1

110322d8c40f5e867ade951ad4872eb507468fa8
SHA256

77fcbbfa7a2bd9d882272e571f356fbea374e0c662b4de444af8793708767a5e
SHA512

65addc33be49d7ff183da7715e57481a1ebb8a137016c800fbd53ca7060e7d1cd43519db2a67b8fc774491410c155ccd4f143f7a8defcf9e0370540aa914c86d
SSDEEP

384:23Mg/bqo2NJV9yEQpAgob9JGr91CsDog25eX:Eqo2vV9tQpsLGr9RDo7eX

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\read_it.txt

Ransom Note

All of your files have been stolen and encrypted, we have downloaded sensitive and compromising data from your system/network including your financial data and network map. Your files have been encrypted and you won't be able to decrypt them without our help. If you modify the files you won't be able to decrypt them What can I do to get my files back? The price for decription is $1k. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? if you don't know how to Purchase, since you're in south africa binance is the best. download the app and you'll see it's easy to buy bitcoin. You can try whatever you wanna try but don't modify the files, they'll be damaged and impossible to decrypt. it's nothing personal, it's all about money. have a great day. Payment information Amount: 1000 USD Use an email adress as payment reference/description to recieve the decryption key. Non payment will result in your data being published. YOU HAVE 7 DAYS, AFTER 3 DAYS THE MONEY DOUBLES. Bitcoin Address: bc1qpn32q8a3jykzpfnrv6crqulk7wguaryhxzadqa

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/4688-1-0x00000000001F0000-0x00000000001FC000-memory.dmp	family_chaos
behavioral2/files/0x001200000001e4fb-6.dat	family_chaos

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
2584	bcdedit.exe
1944	bcdedit.exe

Deletes backup catalog 3 TTPs 1 IoCs

Uses wbadmin.exe to inhibit system recovery.

ransomware

Command and Scripting Interpreter

T1059

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
5064	wbadmin.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2592	svchost.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Drops desktop.ini file(s) 34 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	vds.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2388	vssadmin.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings	svchost.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1952	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2592	svchost.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe
2592	svchost.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
Token: SeDebugPrivilege	2592	svchost.exe
Token: SeBackupPrivilege	540	vssvc.exe
Token: SeRestorePrivilege	540	vssvc.exe
Token: SeAuditPrivilege	540	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2572	WMIC.exe
Token: SeSecurityPrivilege	2572	WMIC.exe
Token: SeTakeOwnershipPrivilege	2572	WMIC.exe
Token: SeLoadDriverPrivilege	2572	WMIC.exe
Token: SeSystemProfilePrivilege	2572	WMIC.exe
Token: SeSystemtimePrivilege	2572	WMIC.exe
Token: SeProfSingleProcessPrivilege	2572	WMIC.exe
Token: SeIncBasePriorityPrivilege	2572	WMIC.exe
Token: SeCreatePagefilePrivilege	2572	WMIC.exe
Token: SeBackupPrivilege	2572	WMIC.exe
Token: SeRestorePrivilege	2572	WMIC.exe
Token: SeShutdownPrivilege	2572	WMIC.exe
Token: SeDebugPrivilege	2572	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2572	WMIC.exe
Token: SeRemoteShutdownPrivilege	2572	WMIC.exe
Token: SeUndockPrivilege	2572	WMIC.exe
Token: SeManageVolumePrivilege	2572	WMIC.exe
Token: 33	2572	WMIC.exe
Token: 34	2572	WMIC.exe
Token: 35	2572	WMIC.exe
Token: 36	2572	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2572	WMIC.exe
Token: SeSecurityPrivilege	2572	WMIC.exe
Token: SeTakeOwnershipPrivilege	2572	WMIC.exe
Token: SeLoadDriverPrivilege	2572	WMIC.exe
Token: SeSystemProfilePrivilege	2572	WMIC.exe
Token: SeSystemtimePrivilege	2572	WMIC.exe
Token: SeProfSingleProcessPrivilege	2572	WMIC.exe
Token: SeIncBasePriorityPrivilege	2572	WMIC.exe
Token: SeCreatePagefilePrivilege	2572	WMIC.exe
Token: SeBackupPrivilege	2572	WMIC.exe
Token: SeRestorePrivilege	2572	WMIC.exe
Token: SeShutdownPrivilege	2572	WMIC.exe
Token: SeDebugPrivilege	2572	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2572	WMIC.exe
Token: SeRemoteShutdownPrivilege	2572	WMIC.exe
Token: SeUndockPrivilege	2572	WMIC.exe
Token: SeManageVolumePrivilege	2572	WMIC.exe
Token: 33	2572	WMIC.exe
Token: 34	2572	WMIC.exe
Token: 35	2572	WMIC.exe
Token: 36	2572	WMIC.exe
Token: SeBackupPrivilege	4300	wbengine.exe
Token: SeRestorePrivilege	4300	wbengine.exe
Token: SeSecurityPrivilege	4300	wbengine.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 2592	4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe	86
PID 4688 wrote to memory of 2592	4688	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe	86
PID 2592 wrote to memory of 1012	2592	svchost.exe	90
PID 2592 wrote to memory of 1012	2592	svchost.exe	90
PID 1012 wrote to memory of 2388	1012	cmd.exe	93
PID 1012 wrote to memory of 2388	1012	cmd.exe	93
PID 1012 wrote to memory of 2572	1012	cmd.exe	97
PID 1012 wrote to memory of 2572	1012	cmd.exe	97
PID 2592 wrote to memory of 5060	2592	svchost.exe	98
PID 2592 wrote to memory of 5060	2592	svchost.exe	98
PID 5060 wrote to memory of 2584	5060	cmd.exe	100
PID 5060 wrote to memory of 2584	5060	cmd.exe	100
PID 5060 wrote to memory of 1944	5060	cmd.exe	101
PID 5060 wrote to memory of 1944	5060	cmd.exe	101
PID 2592 wrote to memory of 2784	2592	svchost.exe	102
PID 2592 wrote to memory of 2784	2592	svchost.exe	102
PID 2784 wrote to memory of 5064	2784	cmd.exe	104
PID 2784 wrote to memory of 5064	2784	cmd.exe	104
PID 2592 wrote to memory of 1952	2592	svchost.exe	108
PID 2592 wrote to memory of 1952	2592	svchost.exe	108

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1012
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:2388
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2572
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5060
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2584
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1944
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:5064
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:1952

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:540

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4300

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2040

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:4784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
24KB

MD5
888b8d186f13aeb525e7687271723a33

SHA1
110322d8c40f5e867ade951ad4872eb507468fa8

SHA256
77fcbbfa7a2bd9d882272e571f356fbea374e0c662b4de444af8793708767a5e

SHA512
65addc33be49d7ff183da7715e57481a1ebb8a137016c800fbd53ca7060e7d1cd43519db2a67b8fc774491410c155ccd4f143f7a8defcf9e0370540aa914c86d

Download Submit
C:\Users\Admin\Documents\read_it.txt

Filesize
1KB

MD5
2802d6f59e85cd54ad9e4adb988a407c

SHA1
521af44565ea84038303c153a8bfa4a62e80281b

SHA256
75eba39b87c535be4f9da77646231fff7bc20c0f93c070e097f4378445edceb9

SHA512
8531d3a94fb2146be67edc9caa92fe52f928258979b860ea80a8dc53509038442e07df89f4ea427fb0a6515af36df914ca017a0e30cbf9136c24837029073de2

Download Submit
memory/2592-14-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/2592-447-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

Filesize
10.8MB

Download
memory/4688-0-0x00007FFB946F3000-0x00007FFB946F5000-memory.dmp

Filesize
8KB

Download
memory/4688-1-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download