chaos | 1d9b7f8264e5395f19691942028ef38cfe25368e2a97cb6af32e0b741f32314f

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 20:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
Size

90KB
MD5

ffc57c8e2bd70a2bc54a57831365206c
SHA1

f796709aa9cb78452e9d1ed405ba2dfee2338e95
SHA256

1d9b7f8264e5395f19691942028ef38cfe25368e2a97cb6af32e0b741f32314f
SHA512

e4015d0c80690bc4c478f19c95ed5429a618bc389a5c4201e459bfe842e270c8b325727cbde2c35c12d8fc5e0ccaa1159de554eaa775e7f1046f7405f2f66990
SSDEEP

768:Xqo2LyU8dUp5nj8Wd3ELLr9m/HbQe3eyUfi3yLDTV:ao22vdynrd3ELLr9853eywKyLDTV

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

chaos

Ransom Note

----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2700-1-0x00000000002B0000-0x00000000002CC000-memory.dmp	family_chaos
behavioral1/files/0x000a000000012262-5.dat	family_chaos
behavioral1/memory/2892-7-0x0000000000EA0000-0x0000000000EBC000-memory.dmp	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
1976	bcdedit.exe
1572	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
1492	wbadmin.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft365.url	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	Microsoft365.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CONSENTIMIENTO.txt	Microsoft365.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	Microsoft365.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 34 IoCs

description	ioc	Process
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	Microsoft365.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	Microsoft365.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	Microsoft365.exe

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

System Information Discovery
T1082

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
520	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2124	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2892	Microsoft365.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
2892	Microsoft365.exe
2892	Microsoft365.exe
2892	Microsoft365.exe
2892	Microsoft365.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
Token: SeDebugPrivilege	2892	Microsoft365.exe
Token: SeBackupPrivilege	2376	vssvc.exe
Token: SeRestorePrivilege	2376	vssvc.exe
Token: SeAuditPrivilege	2376	vssvc.exe
Token: SeIncreaseQuotaPrivilege	548	WMIC.exe
Token: SeSecurityPrivilege	548	WMIC.exe
Token: SeTakeOwnershipPrivilege	548	WMIC.exe
Token: SeLoadDriverPrivilege	548	WMIC.exe
Token: SeSystemProfilePrivilege	548	WMIC.exe
Token: SeSystemtimePrivilege	548	WMIC.exe
Token: SeProfSingleProcessPrivilege	548	WMIC.exe
Token: SeIncBasePriorityPrivilege	548	WMIC.exe
Token: SeCreatePagefilePrivilege	548	WMIC.exe
Token: SeBackupPrivilege	548	WMIC.exe
Token: SeRestorePrivilege	548	WMIC.exe
Token: SeShutdownPrivilege	548	WMIC.exe
Token: SeDebugPrivilege	548	WMIC.exe
Token: SeSystemEnvironmentPrivilege	548	WMIC.exe
Token: SeRemoteShutdownPrivilege	548	WMIC.exe
Token: SeUndockPrivilege	548	WMIC.exe
Token: SeManageVolumePrivilege	548	WMIC.exe
Token: 33	548	WMIC.exe
Token: 34	548	WMIC.exe
Token: 35	548	WMIC.exe
Token: SeIncreaseQuotaPrivilege	548	WMIC.exe
Token: SeSecurityPrivilege	548	WMIC.exe
Token: SeTakeOwnershipPrivilege	548	WMIC.exe
Token: SeLoadDriverPrivilege	548	WMIC.exe
Token: SeSystemProfilePrivilege	548	WMIC.exe
Token: SeSystemtimePrivilege	548	WMIC.exe
Token: SeProfSingleProcessPrivilege	548	WMIC.exe
Token: SeIncBasePriorityPrivilege	548	WMIC.exe
Token: SeCreatePagefilePrivilege	548	WMIC.exe
Token: SeBackupPrivilege	548	WMIC.exe
Token: SeRestorePrivilege	548	WMIC.exe
Token: SeShutdownPrivilege	548	WMIC.exe
Token: SeDebugPrivilege	548	WMIC.exe
Token: SeSystemEnvironmentPrivilege	548	WMIC.exe
Token: SeRemoteShutdownPrivilege	548	WMIC.exe
Token: SeUndockPrivilege	548	WMIC.exe
Token: SeManageVolumePrivilege	548	WMIC.exe
Token: 33	548	WMIC.exe
Token: 34	548	WMIC.exe
Token: 35	548	WMIC.exe
Token: SeBackupPrivilege	2072	wbengine.exe
Token: SeRestorePrivilege	2072	wbengine.exe
Token: SeSecurityPrivilege	2072	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2892	2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe	30
PID 2700 wrote to memory of 2892	2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe	30
PID 2700 wrote to memory of 2892	2700	2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe	30
PID 2892 wrote to memory of 1804	2892	Microsoft365.exe	32
PID 2892 wrote to memory of 1804	2892	Microsoft365.exe	32
PID 2892 wrote to memory of 1804	2892	Microsoft365.exe	32
PID 1804 wrote to memory of 520	1804	cmd.exe	34
PID 1804 wrote to memory of 520	1804	cmd.exe	34
PID 1804 wrote to memory of 520	1804	cmd.exe	34
PID 1804 wrote to memory of 548	1804	cmd.exe	38
PID 1804 wrote to memory of 548	1804	cmd.exe	38
PID 1804 wrote to memory of 548	1804	cmd.exe	38
PID 2892 wrote to memory of 1404	2892	Microsoft365.exe	40
PID 2892 wrote to memory of 1404	2892	Microsoft365.exe	40
PID 2892 wrote to memory of 1404	2892	Microsoft365.exe	40
PID 1404 wrote to memory of 1976	1404	cmd.exe	42
PID 1404 wrote to memory of 1976	1404	cmd.exe	42
PID 1404 wrote to memory of 1976	1404	cmd.exe	42
PID 1404 wrote to memory of 1572	1404	cmd.exe	43
PID 1404 wrote to memory of 1572	1404	cmd.exe	43
PID 1404 wrote to memory of 1572	1404	cmd.exe	43
PID 2892 wrote to memory of 1512	2892	Microsoft365.exe	44
PID 2892 wrote to memory of 1512	2892	Microsoft365.exe	44
PID 2892 wrote to memory of 1512	2892	Microsoft365.exe	44
PID 1512 wrote to memory of 1492	1512	cmd.exe	46
PID 1512 wrote to memory of 1492	1512	cmd.exe	46
PID 1512 wrote to memory of 1492	1512	cmd.exe	46
PID 2892 wrote to memory of 2124	2892	Microsoft365.exe	50
PID 2892 wrote to memory of 2124	2892	Microsoft365.exe	50
PID 2892 wrote to memory of 2124	2892	Microsoft365.exe	50

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\2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_ffc57c8e2bd70a2bc54a57831365206c_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Roaming\Microsoft365.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft365.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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:1804
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:520
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:548
- - 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:1404
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1976
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1572
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1512
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:1492
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\CONSENTIMIENTO.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2124

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2376

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2072

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:1912

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:1704

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft365.exe

Filesize
90KB

MD5
ffc57c8e2bd70a2bc54a57831365206c

SHA1
f796709aa9cb78452e9d1ed405ba2dfee2338e95

SHA256
1d9b7f8264e5395f19691942028ef38cfe25368e2a97cb6af32e0b741f32314f

SHA512
e4015d0c80690bc4c478f19c95ed5429a618bc389a5c4201e459bfe842e270c8b325727cbde2c35c12d8fc5e0ccaa1159de554eaa775e7f1046f7405f2f66990

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

Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
memory/2700-0-0x000007FEF54E3000-0x000007FEF54E4000-memory.dmp

Filesize
4KB

Download
memory/2700-1-0x00000000002B0000-0x00000000002CC000-memory.dmp

Filesize
112KB

Download
memory/2892-7-0x0000000000EA0000-0x0000000000EBC000-memory.dmp

Filesize
112KB

Download
memory/2892-9-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download
memory/2892-10-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download
memory/2892-435-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download
memory/2892-450-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download