chaos | 8ccace3ee82c7a575a2256a35a74e52981d34a92f979fac94cc5e8406260e9f5

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 00:09

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General

Target

malwareransomware.exe
Size

23KB
MD5

47750b58657debaa542dc362b2b475d2
SHA1

4a69be06f72fc4cfab62914ef3f5ee7a6ad98500
SHA256

8ccace3ee82c7a575a2256a35a74e52981d34a92f979fac94cc5e8406260e9f5
SHA512

078b5716bb55171ba8af69246caca0951e8c2193611516210b703d6fd5500aef35c5a02f8e059704102ac903fddad2e9de08014174856bc418a6f375856af0de
SSDEEP

384:h3Mg/bqo2Yag2bu01Skp7DPJIXrTyKJ0r91Cibb5SeZ:Dqo2BHuOVp7DPJcyu0r9pbb4eZ

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\read_it.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 called nigger ransomware. Your files have been encrypted and fucked. pay $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/2748-1-0x0000000000B80000-0x0000000000B8C000-memory.dmp	family_chaos
behavioral1/files/0x00060000000120e8-5.dat	family_chaos
behavioral1/memory/2776-8-0x0000000000EA0000-0x0000000000EAC000-memory.dmp	family_chaos

Chaos 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
3008	bcdedit.exe
2140	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
2204	wbadmin.exe

Drops startup file 3 IoCs

description	ioc	Process
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
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	svchost.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\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\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\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\Accessories\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\Favorites\Links\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\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\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\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\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\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\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\SendTo\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\Public\Pictures\Sample Pictures\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\Videos\Sample Videos\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-677481364-2238709445-1347953534-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\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\Libraries\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\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
2116	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2032	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2776	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2748	malwareransomware.exe
2748	malwareransomware.exe
2748	malwareransomware.exe
2776	svchost.exe
2776	svchost.exe
2776	svchost.exe
2776	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	malwareransomware.exe
Token: SeDebugPrivilege	2776	svchost.exe
Token: SeBackupPrivilege	1304	vssvc.exe
Token: SeRestorePrivilege	1304	vssvc.exe
Token: SeAuditPrivilege	1304	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1648	WMIC.exe
Token: SeSecurityPrivilege	1648	WMIC.exe
Token: SeTakeOwnershipPrivilege	1648	WMIC.exe
Token: SeLoadDriverPrivilege	1648	WMIC.exe
Token: SeSystemProfilePrivilege	1648	WMIC.exe
Token: SeSystemtimePrivilege	1648	WMIC.exe
Token: SeProfSingleProcessPrivilege	1648	WMIC.exe
Token: SeIncBasePriorityPrivilege	1648	WMIC.exe
Token: SeCreatePagefilePrivilege	1648	WMIC.exe
Token: SeBackupPrivilege	1648	WMIC.exe
Token: SeRestorePrivilege	1648	WMIC.exe
Token: SeShutdownPrivilege	1648	WMIC.exe
Token: SeDebugPrivilege	1648	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1648	WMIC.exe
Token: SeRemoteShutdownPrivilege	1648	WMIC.exe
Token: SeUndockPrivilege	1648	WMIC.exe
Token: SeManageVolumePrivilege	1648	WMIC.exe
Token: 33	1648	WMIC.exe
Token: 34	1648	WMIC.exe
Token: 35	1648	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1648	WMIC.exe
Token: SeSecurityPrivilege	1648	WMIC.exe
Token: SeTakeOwnershipPrivilege	1648	WMIC.exe
Token: SeLoadDriverPrivilege	1648	WMIC.exe
Token: SeSystemProfilePrivilege	1648	WMIC.exe
Token: SeSystemtimePrivilege	1648	WMIC.exe
Token: SeProfSingleProcessPrivilege	1648	WMIC.exe
Token: SeIncBasePriorityPrivilege	1648	WMIC.exe
Token: SeCreatePagefilePrivilege	1648	WMIC.exe
Token: SeBackupPrivilege	1648	WMIC.exe
Token: SeRestorePrivilege	1648	WMIC.exe
Token: SeShutdownPrivilege	1648	WMIC.exe
Token: SeDebugPrivilege	1648	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1648	WMIC.exe
Token: SeRemoteShutdownPrivilege	1648	WMIC.exe
Token: SeUndockPrivilege	1648	WMIC.exe
Token: SeManageVolumePrivilege	1648	WMIC.exe
Token: 33	1648	WMIC.exe
Token: 34	1648	WMIC.exe
Token: 35	1648	WMIC.exe
Token: SeBackupPrivilege	2228	wbengine.exe
Token: SeRestorePrivilege	2228	wbengine.exe
Token: SeSecurityPrivilege	2228	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2776	2748	malwareransomware.exe	30
PID 2748 wrote to memory of 2776	2748	malwareransomware.exe	30
PID 2748 wrote to memory of 2776	2748	malwareransomware.exe	30
PID 2776 wrote to memory of 2716	2776	svchost.exe	32
PID 2776 wrote to memory of 2716	2776	svchost.exe	32
PID 2776 wrote to memory of 2716	2776	svchost.exe	32
PID 2716 wrote to memory of 2116	2716	cmd.exe	34
PID 2716 wrote to memory of 2116	2716	cmd.exe	34
PID 2716 wrote to memory of 2116	2716	cmd.exe	34
PID 2716 wrote to memory of 1648	2716	cmd.exe	37
PID 2716 wrote to memory of 1648	2716	cmd.exe	37
PID 2716 wrote to memory of 1648	2716	cmd.exe	37
PID 2776 wrote to memory of 3000	2776	svchost.exe	39
PID 2776 wrote to memory of 3000	2776	svchost.exe	39
PID 2776 wrote to memory of 3000	2776	svchost.exe	39
PID 3000 wrote to memory of 3008	3000	cmd.exe	41
PID 3000 wrote to memory of 3008	3000	cmd.exe	41
PID 3000 wrote to memory of 3008	3000	cmd.exe	41
PID 3000 wrote to memory of 2140	3000	cmd.exe	42
PID 3000 wrote to memory of 2140	3000	cmd.exe	42
PID 3000 wrote to memory of 2140	3000	cmd.exe	42
PID 2776 wrote to memory of 2164	2776	svchost.exe	43
PID 2776 wrote to memory of 2164	2776	svchost.exe	43
PID 2776 wrote to memory of 2164	2776	svchost.exe	43
PID 2164 wrote to memory of 2204	2164	cmd.exe	45
PID 2164 wrote to memory of 2204	2164	cmd.exe	45
PID 2164 wrote to memory of 2204	2164	cmd.exe	45
PID 2776 wrote to memory of 2032	2776	svchost.exe	49
PID 2776 wrote to memory of 2032	2776	svchost.exe	49
PID 2776 wrote to memory of 2032	2776	svchost.exe	49

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\malwareransomware.exe
"C:\Users\Admin\AppData\Local\Temp\malwareransomware.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748
- 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:2776
- - 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:2716
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:2116
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1648
- - 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:3000
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:3008
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2140
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:2204
- - 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:2032

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1304

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2228

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:276

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:1492

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

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Downloads

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

Filesize
23KB

MD5
47750b58657debaa542dc362b2b475d2

SHA1
4a69be06f72fc4cfab62914ef3f5ee7a6ad98500

SHA256
8ccace3ee82c7a575a2256a35a74e52981d34a92f979fac94cc5e8406260e9f5

SHA512
078b5716bb55171ba8af69246caca0951e8c2193611516210b703d6fd5500aef35c5a02f8e059704102ac903fddad2e9de08014174856bc418a6f375856af0de

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

Filesize
730B

MD5
28ad4453caca3da57691b85343ad6514

SHA1
4c1d668249a335069588317a62869ed0ca08c402

SHA256
a5672ca772604963bc85a92c1c0bb5b4183a7f0985c29fce6a2852eee402e043

SHA512
e925a3cffd5bab48b50935d60dbe9ae02ac08247c0eed8c8290b4ef702dc89ed76cc3599257ae74b12762d5cf308bd2a1eac3ed385bc5c47ee011525aebe8d7a

Download Submit
memory/2748-0-0x000007FEF4E43000-0x000007FEF4E44000-memory.dmp

Filesize
4KB

Download
memory/2748-1-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

Download
memory/2776-7-0x000007FEF4453000-0x000007FEF4454000-memory.dmp

Filesize
4KB

Download
memory/2776-8-0x0000000000EA0000-0x0000000000EAC000-memory.dmp

Filesize
48KB

Download
memory/2776-20-0x000007FEF4450000-0x000007FEF4E3C000-memory.dmp

Filesize
9.9MB

Download
memory/2776-460-0x000007FEF4453000-0x000007FEF4454000-memory.dmp

Filesize
4KB

Download
memory/2776-461-0x000007FEF4450000-0x000007FEF4E3C000-memory.dmp

Filesize
9.9MB

Download