chaos | 77fcbbfa7a2bd9d882272e571f356fbea374e0c662b4de444af8793708767a5e

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 3 IoCs

resource	yara_rule
behavioral1/memory/2276-1-0x0000000000020000-0x000000000002C000-memory.dmp	family_chaos
behavioral1/files/0x0007000000012117-4.dat	family_chaos
behavioral1/memory/2056-7-0x00000000008A0000-0x00000000008AC000-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
1080	bcdedit.exe
1140	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
1388	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
2056	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\Libraries\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\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\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\Links for United States\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\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\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\Windows\Start Menu\Programs\Administrative Tools\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\AppData\Roaming\Microsoft\Windows\SendTo\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\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\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
1784	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1776	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2056	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
2056	svchost.exe
2056	svchost.exe
2056	svchost.exe
2056	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
Token: SeDebugPrivilege	2056	svchost.exe
Token: SeBackupPrivilege	1240	vssvc.exe
Token: SeRestorePrivilege	1240	vssvc.exe
Token: SeAuditPrivilege	1240	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2224	WMIC.exe
Token: SeSecurityPrivilege	2224	WMIC.exe
Token: SeTakeOwnershipPrivilege	2224	WMIC.exe
Token: SeLoadDriverPrivilege	2224	WMIC.exe
Token: SeSystemProfilePrivilege	2224	WMIC.exe
Token: SeSystemtimePrivilege	2224	WMIC.exe
Token: SeProfSingleProcessPrivilege	2224	WMIC.exe
Token: SeIncBasePriorityPrivilege	2224	WMIC.exe
Token: SeCreatePagefilePrivilege	2224	WMIC.exe
Token: SeBackupPrivilege	2224	WMIC.exe
Token: SeRestorePrivilege	2224	WMIC.exe
Token: SeShutdownPrivilege	2224	WMIC.exe
Token: SeDebugPrivilege	2224	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2224	WMIC.exe
Token: SeRemoteShutdownPrivilege	2224	WMIC.exe
Token: SeUndockPrivilege	2224	WMIC.exe
Token: SeManageVolumePrivilege	2224	WMIC.exe
Token: 33	2224	WMIC.exe
Token: 34	2224	WMIC.exe
Token: 35	2224	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2224	WMIC.exe
Token: SeSecurityPrivilege	2224	WMIC.exe
Token: SeTakeOwnershipPrivilege	2224	WMIC.exe
Token: SeLoadDriverPrivilege	2224	WMIC.exe
Token: SeSystemProfilePrivilege	2224	WMIC.exe
Token: SeSystemtimePrivilege	2224	WMIC.exe
Token: SeProfSingleProcessPrivilege	2224	WMIC.exe
Token: SeIncBasePriorityPrivilege	2224	WMIC.exe
Token: SeCreatePagefilePrivilege	2224	WMIC.exe
Token: SeBackupPrivilege	2224	WMIC.exe
Token: SeRestorePrivilege	2224	WMIC.exe
Token: SeShutdownPrivilege	2224	WMIC.exe
Token: SeDebugPrivilege	2224	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2224	WMIC.exe
Token: SeRemoteShutdownPrivilege	2224	WMIC.exe
Token: SeUndockPrivilege	2224	WMIC.exe
Token: SeManageVolumePrivilege	2224	WMIC.exe
Token: 33	2224	WMIC.exe
Token: 34	2224	WMIC.exe
Token: 35	2224	WMIC.exe
Token: SeBackupPrivilege	944	wbengine.exe
Token: SeRestorePrivilege	944	wbengine.exe
Token: SeSecurityPrivilege	944	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2056	2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe	30
PID 2276 wrote to memory of 2056	2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe	30
PID 2276 wrote to memory of 2056	2276	2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe	30
PID 2056 wrote to memory of 1992	2056	svchost.exe	33
PID 2056 wrote to memory of 1992	2056	svchost.exe	33
PID 2056 wrote to memory of 1992	2056	svchost.exe	33
PID 1992 wrote to memory of 1784	1992	cmd.exe	35
PID 1992 wrote to memory of 1784	1992	cmd.exe	35
PID 1992 wrote to memory of 1784	1992	cmd.exe	35
PID 1992 wrote to memory of 2224	1992	cmd.exe	38
PID 1992 wrote to memory of 2224	1992	cmd.exe	38
PID 1992 wrote to memory of 2224	1992	cmd.exe	38
PID 2056 wrote to memory of 1096	2056	svchost.exe	40
PID 2056 wrote to memory of 1096	2056	svchost.exe	40
PID 2056 wrote to memory of 1096	2056	svchost.exe	40
PID 1096 wrote to memory of 1080	1096	cmd.exe	42
PID 1096 wrote to memory of 1080	1096	cmd.exe	42
PID 1096 wrote to memory of 1080	1096	cmd.exe	42
PID 1096 wrote to memory of 1140	1096	cmd.exe	43
PID 1096 wrote to memory of 1140	1096	cmd.exe	43
PID 1096 wrote to memory of 1140	1096	cmd.exe	43
PID 2056 wrote to memory of 1504	2056	svchost.exe	44
PID 2056 wrote to memory of 1504	2056	svchost.exe	44
PID 2056 wrote to memory of 1504	2056	svchost.exe	44
PID 1504 wrote to memory of 1388	1504	cmd.exe	46
PID 1504 wrote to memory of 1388	1504	cmd.exe	46
PID 1504 wrote to memory of 1388	1504	cmd.exe	46
PID 2056 wrote to memory of 1776	2056	svchost.exe	50
PID 2056 wrote to memory of 1776	2056	svchost.exe	50
PID 2056 wrote to memory of 1776	2056	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\2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_888b8d186f13aeb525e7687271723a33_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- 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:2056
- - 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:1992
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1784
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2224
- - 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:1096
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1080
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1140
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:1388
- - 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:1776

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1240

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:944

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:1684

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:2332

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
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/2056-7-0x00000000008A0000-0x00000000008AC000-memory.dmp

Filesize
48KB

Download
memory/2056-17-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

Filesize
9.9MB

Download
memory/2056-22-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

Filesize
9.9MB

Download
memory/2056-475-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

Filesize
9.9MB

Download
memory/2276-0-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

Filesize
4KB

Download
memory/2276-1-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download