chaos | bfe508310190495d66f666bc9c65ac4d344a83fa8bb9291563090614aa22a7e5

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 13:17

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General

Target

20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe
Size

24KB
MD5

f7171e2e587d97fc079d0afb7ec73634
SHA1

54fe4810af4babdec3efc2fa7ae3f9c7117be435
SHA256

bfe508310190495d66f666bc9c65ac4d344a83fa8bb9291563090614aa22a7e5
SHA512

596c553dd2cab33443ba6ab90004e2593cd10c04f3548af6c99297947114a4312858f67ce3aef5474de0f01b08df9745893b4d7480308f148a397a50047efcaf
SSDEEP

384:C3Mg/bqo27bU2NMppqjuwzUvJ5r91CzoGi9ei:4qo2MQMpwjKB5r9MoDei

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 $10k. 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. You need contact us and decrypt one file for free, You can contact us using Tox messenger without registration https://tox.chat/download.html. after downloading Tox massenger write to us on this Tox ID EEC1A34EA55C1DBC63D8BCC4779D93BB64FC9036C82210467DEB1948A3ABC2248CE1CAB7A181 Payment information Amount: 10 000 USD Non payment will result in your data being published. YOU HAVE 7 DAYS, AFTER 3 DAYS THE MONEY DOUBLES. Bitcoin Address: bc1qpn32q8a3jykzpfnrv6crqulk7wguaryhxzadqa

URLs

https://tox.chat/download.html

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2524-1-0x0000000001230000-0x000000000123C000-memory.dmp	family_chaos
behavioral1/files/0x00060000000193b5-5.dat	family_chaos
behavioral1/memory/328-7-0x0000000000E30000-0x0000000000E3C000-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
2556	bcdedit.exe
1680	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
888	wbadmin.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
328	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\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\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\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\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\Windows\Recent\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\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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\SendTo\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.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
1868	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1784	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
328	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe
2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe
2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe
328	svchost.exe
328	svchost.exe
328	svchost.exe
328	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe
Token: SeDebugPrivilege	328	svchost.exe
Token: SeBackupPrivilege	1204	vssvc.exe
Token: SeRestorePrivilege	1204	vssvc.exe
Token: SeAuditPrivilege	1204	vssvc.exe
Token: SeIncreaseQuotaPrivilege	480	WMIC.exe
Token: SeSecurityPrivilege	480	WMIC.exe
Token: SeTakeOwnershipPrivilege	480	WMIC.exe
Token: SeLoadDriverPrivilege	480	WMIC.exe
Token: SeSystemProfilePrivilege	480	WMIC.exe
Token: SeSystemtimePrivilege	480	WMIC.exe
Token: SeProfSingleProcessPrivilege	480	WMIC.exe
Token: SeIncBasePriorityPrivilege	480	WMIC.exe
Token: SeCreatePagefilePrivilege	480	WMIC.exe
Token: SeBackupPrivilege	480	WMIC.exe
Token: SeRestorePrivilege	480	WMIC.exe
Token: SeShutdownPrivilege	480	WMIC.exe
Token: SeDebugPrivilege	480	WMIC.exe
Token: SeSystemEnvironmentPrivilege	480	WMIC.exe
Token: SeRemoteShutdownPrivilege	480	WMIC.exe
Token: SeUndockPrivilege	480	WMIC.exe
Token: SeManageVolumePrivilege	480	WMIC.exe
Token: 33	480	WMIC.exe
Token: 34	480	WMIC.exe
Token: 35	480	WMIC.exe
Token: SeIncreaseQuotaPrivilege	480	WMIC.exe
Token: SeSecurityPrivilege	480	WMIC.exe
Token: SeTakeOwnershipPrivilege	480	WMIC.exe
Token: SeLoadDriverPrivilege	480	WMIC.exe
Token: SeSystemProfilePrivilege	480	WMIC.exe
Token: SeSystemtimePrivilege	480	WMIC.exe
Token: SeProfSingleProcessPrivilege	480	WMIC.exe
Token: SeIncBasePriorityPrivilege	480	WMIC.exe
Token: SeCreatePagefilePrivilege	480	WMIC.exe
Token: SeBackupPrivilege	480	WMIC.exe
Token: SeRestorePrivilege	480	WMIC.exe
Token: SeShutdownPrivilege	480	WMIC.exe
Token: SeDebugPrivilege	480	WMIC.exe
Token: SeSystemEnvironmentPrivilege	480	WMIC.exe
Token: SeRemoteShutdownPrivilege	480	WMIC.exe
Token: SeUndockPrivilege	480	WMIC.exe
Token: SeManageVolumePrivilege	480	WMIC.exe
Token: 33	480	WMIC.exe
Token: 34	480	WMIC.exe
Token: 35	480	WMIC.exe
Token: SeBackupPrivilege	1376	wbengine.exe
Token: SeRestorePrivilege	1376	wbengine.exe
Token: SeSecurityPrivilege	1376	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 328	2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe	31
PID 2524 wrote to memory of 328	2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe	31
PID 2524 wrote to memory of 328	2524	20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe	31
PID 328 wrote to memory of 844	328	svchost.exe	33
PID 328 wrote to memory of 844	328	svchost.exe	33
PID 328 wrote to memory of 844	328	svchost.exe	33
PID 844 wrote to memory of 1868	844	cmd.exe	35
PID 844 wrote to memory of 1868	844	cmd.exe	35
PID 844 wrote to memory of 1868	844	cmd.exe	35
PID 844 wrote to memory of 480	844	cmd.exe	38
PID 844 wrote to memory of 480	844	cmd.exe	38
PID 844 wrote to memory of 480	844	cmd.exe	38
PID 328 wrote to memory of 836	328	svchost.exe	40
PID 328 wrote to memory of 836	328	svchost.exe	40
PID 328 wrote to memory of 836	328	svchost.exe	40
PID 836 wrote to memory of 2556	836	cmd.exe	42
PID 836 wrote to memory of 2556	836	cmd.exe	42
PID 836 wrote to memory of 2556	836	cmd.exe	42
PID 836 wrote to memory of 1680	836	cmd.exe	43
PID 836 wrote to memory of 1680	836	cmd.exe	43
PID 836 wrote to memory of 1680	836	cmd.exe	43
PID 328 wrote to memory of 832	328	svchost.exe	44
PID 328 wrote to memory of 832	328	svchost.exe	44
PID 328 wrote to memory of 832	328	svchost.exe	44
PID 832 wrote to memory of 888	832	cmd.exe	46
PID 832 wrote to memory of 888	832	cmd.exe	46
PID 832 wrote to memory of 888	832	cmd.exe	46
PID 328 wrote to memory of 1784	328	svchost.exe	50
PID 328 wrote to memory of 1784	328	svchost.exe	50
PID 328 wrote to memory of 1784	328	svchost.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\20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240909f7171e2e587d97fc079d0afb7ec73634destroyerwannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.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:328
- - 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:844
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1868
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:480
- - 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:836
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2556
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1680
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:832
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:888
- - 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:1784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1204

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1376

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2180

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:1936

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

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
f7171e2e587d97fc079d0afb7ec73634

SHA1
54fe4810af4babdec3efc2fa7ae3f9c7117be435

SHA256
bfe508310190495d66f666bc9c65ac4d344a83fa8bb9291563090614aa22a7e5

SHA512
596c553dd2cab33443ba6ab90004e2593cd10c04f3548af6c99297947114a4312858f67ce3aef5474de0f01b08df9745893b4d7480308f148a397a50047efcaf

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

Filesize
1KB

MD5
d539a8ea3a668e5df4947000e478d179

SHA1
642d09ae858cedaa9beea0796cc31c0f52486762

SHA256
7ab3d009d5c7088d5c25fa3e4cb6e03acb79b76f76fc1e508ddff2d019300777

SHA512
1d2b3c5a148dc39adb295ff7bd5f431e49e409ba1c1cf56b23ad3afdda920950d7f9847d594dd866afa4fae6451f61f09b0a87ddbaa345976915dae024ee4070

Download Submit
memory/328-7-0x0000000000E30000-0x0000000000E3C000-memory.dmp

Filesize
48KB

Download
memory/328-31-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/328-40-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/328-504-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Filesize
9.9MB

Download
memory/2524-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x0000000001230000-0x000000000123C000-memory.dmp

Filesize
48KB

Download