chaos | fc1dce44318a5039baa1962c1fa1b2e52ca5664a8e3d829d6fbf8ce7d8261130

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 12:04

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General

Target

DONT_RUN.exe
Size

202KB
MD5

9416c5ed04d7e4a1ed9c47a6ae663ce3
SHA1

22d78cce033c0f80613b4c612532823be66f4357
SHA256

fc1dce44318a5039baa1962c1fa1b2e52ca5664a8e3d829d6fbf8ce7d8261130
SHA512

e2988c21d0eb01bf9df63f7da86754d08f1de5b96acba270f604cf40eca0793eb323b77ff77be28eae87d0a7466d48d4c379cde09fc37bafa5443fce4507f66e
SSDEEP

3072:sos8Qr9tjoTCmp6VF+hj5ifQloDIs8x0qyW5UmAfe5BV0RUniyL4R:Qr9VoT0P+hVljLvjPGe5v0RUYR

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

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

Ransom Note

All of your files have been encryped 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 $100. 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 information Amount: 0.000016 BTC Bitcoin Address: bc1q4hvkcn68ahgqvvj0qy5g084fuhcwj35mez48u8

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2964-1-0x0000000000350000-0x0000000000388000-memory.dmp	family_chaos
behavioral1/files/0x000c000000012249-4.dat	family_chaos
behavioral1/memory/2052-7-0x0000000000E10000-0x0000000000E48000-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
2508	bcdedit.exe
2084	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
2256	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_ME.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2052	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\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\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\Favorites\Links\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\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\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\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\Admin\Videos\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\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\Libraries\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\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\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7o3dj6gu9.jpg"	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 2 TTPs 1 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2752	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
412	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2052	svchost.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2964	DONT_RUN.exe
2964	DONT_RUN.exe
2052	svchost.exe
2052	svchost.exe
2052	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	DONT_RUN.exe
Token: SeDebugPrivilege	2052	svchost.exe
Token: SeBackupPrivilege	2528	vssvc.exe
Token: SeRestorePrivilege	2528	vssvc.exe
Token: SeAuditPrivilege	2528	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2324	WMIC.exe
Token: SeSecurityPrivilege	2324	WMIC.exe
Token: SeTakeOwnershipPrivilege	2324	WMIC.exe
Token: SeLoadDriverPrivilege	2324	WMIC.exe
Token: SeSystemProfilePrivilege	2324	WMIC.exe
Token: SeSystemtimePrivilege	2324	WMIC.exe
Token: SeProfSingleProcessPrivilege	2324	WMIC.exe
Token: SeIncBasePriorityPrivilege	2324	WMIC.exe
Token: SeCreatePagefilePrivilege	2324	WMIC.exe
Token: SeBackupPrivilege	2324	WMIC.exe
Token: SeRestorePrivilege	2324	WMIC.exe
Token: SeShutdownPrivilege	2324	WMIC.exe
Token: SeDebugPrivilege	2324	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2324	WMIC.exe
Token: SeRemoteShutdownPrivilege	2324	WMIC.exe
Token: SeUndockPrivilege	2324	WMIC.exe
Token: SeManageVolumePrivilege	2324	WMIC.exe
Token: 33	2324	WMIC.exe
Token: 34	2324	WMIC.exe
Token: 35	2324	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2324	WMIC.exe
Token: SeSecurityPrivilege	2324	WMIC.exe
Token: SeTakeOwnershipPrivilege	2324	WMIC.exe
Token: SeLoadDriverPrivilege	2324	WMIC.exe
Token: SeSystemProfilePrivilege	2324	WMIC.exe
Token: SeSystemtimePrivilege	2324	WMIC.exe
Token: SeProfSingleProcessPrivilege	2324	WMIC.exe
Token: SeIncBasePriorityPrivilege	2324	WMIC.exe
Token: SeCreatePagefilePrivilege	2324	WMIC.exe
Token: SeBackupPrivilege	2324	WMIC.exe
Token: SeRestorePrivilege	2324	WMIC.exe
Token: SeShutdownPrivilege	2324	WMIC.exe
Token: SeDebugPrivilege	2324	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2324	WMIC.exe
Token: SeRemoteShutdownPrivilege	2324	WMIC.exe
Token: SeUndockPrivilege	2324	WMIC.exe
Token: SeManageVolumePrivilege	2324	WMIC.exe
Token: 33	2324	WMIC.exe
Token: 34	2324	WMIC.exe
Token: 35	2324	WMIC.exe
Token: SeBackupPrivilege	1400	wbengine.exe
Token: SeRestorePrivilege	1400	wbengine.exe
Token: SeSecurityPrivilege	1400	wbengine.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
412	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2052	2964	DONT_RUN.exe	28
PID 2964 wrote to memory of 2052	2964	DONT_RUN.exe	28
PID 2964 wrote to memory of 2052	2964	DONT_RUN.exe	28
PID 2052 wrote to memory of 2744	2052	svchost.exe	30
PID 2052 wrote to memory of 2744	2052	svchost.exe	30
PID 2052 wrote to memory of 2744	2052	svchost.exe	30
PID 2744 wrote to memory of 2752	2744	cmd.exe	32
PID 2744 wrote to memory of 2752	2744	cmd.exe	32
PID 2744 wrote to memory of 2752	2744	cmd.exe	32
PID 2744 wrote to memory of 2324	2744	cmd.exe	35
PID 2744 wrote to memory of 2324	2744	cmd.exe	35
PID 2744 wrote to memory of 2324	2744	cmd.exe	35
PID 2052 wrote to memory of 2196	2052	svchost.exe	37
PID 2052 wrote to memory of 2196	2052	svchost.exe	37
PID 2052 wrote to memory of 2196	2052	svchost.exe	37
PID 2196 wrote to memory of 2508	2196	cmd.exe	39
PID 2196 wrote to memory of 2508	2196	cmd.exe	39
PID 2196 wrote to memory of 2508	2196	cmd.exe	39
PID 2196 wrote to memory of 2084	2196	cmd.exe	40
PID 2196 wrote to memory of 2084	2196	cmd.exe	40
PID 2196 wrote to memory of 2084	2196	cmd.exe	40
PID 2052 wrote to memory of 2208	2052	svchost.exe	41
PID 2052 wrote to memory of 2208	2052	svchost.exe	41
PID 2052 wrote to memory of 2208	2052	svchost.exe	41
PID 2208 wrote to memory of 2256	2208	cmd.exe	43
PID 2208 wrote to memory of 2256	2208	cmd.exe	43
PID 2208 wrote to memory of 2256	2208	cmd.exe	43
PID 2052 wrote to memory of 412	2052	svchost.exe	47
PID 2052 wrote to memory of 412	2052	svchost.exe	47
PID 2052 wrote to memory of 412	2052	svchost.exe	47

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\DONT_RUN.exe
"C:\Users\Admin\AppData\Local\Temp\DONT_RUN.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964
- 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)
  - Sets desktop wallpaper using registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2052
- - 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:2744
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:2752
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2324
- - 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:2196
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2508
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2084
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2208
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:2256
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\READ_ME.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    - Suspicious use of FindShellTrayWindow
    PID:412

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2528

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1400

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:1692

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:1448

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

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

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

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

Filesize
202KB

MD5
9416c5ed04d7e4a1ed9c47a6ae663ce3

SHA1
22d78cce033c0f80613b4c612532823be66f4357

SHA256
fc1dce44318a5039baa1962c1fa1b2e52ca5664a8e3d829d6fbf8ce7d8261130

SHA512
e2988c21d0eb01bf9df63f7da86754d08f1de5b96acba270f604cf40eca0793eb323b77ff77be28eae87d0a7466d48d4c379cde09fc37bafa5443fce4507f66e

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

Filesize
876B

MD5
f26ed63331cbe1cb6cc8ec4fce834210

SHA1
d6c683e4fd0249f2829d74f85a12ea9a40304207

SHA256
e972016130ce26d95ffee567889cec912737abd37f3b769e7300c6c70a1c3f78

SHA512
23080d8d0a1a0ef4363abde929ef86711e460b44a69c508ea79e69ea09d4992915e5d8fe27885a144546e23108a73c242901d570fd9d21bf2554a2fc0f54a530

Download Submit
memory/2052-7-0x0000000000E10000-0x0000000000E48000-memory.dmp

Filesize
224KB

Download
memory/2052-34-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2052-23-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2052-452-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2964-0-0x000007FEF5F13000-0x000007FEF5F14000-memory.dmp

Filesize
4KB

Download
memory/2964-1-0x0000000000350000-0x0000000000388000-memory.dmp

Filesize
224KB

Download