chaos | 7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a

Resubmissions

05-09-2024 01:32

240905-bx3e1s1gpg 10

05-09-2024 01:29

240905-bwcsza1glb 10

Analysis

max time kernel
28s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 01:32

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General

Target

7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
Size

17.5MB
MD5

fe194bd31f2388a09bbef24ddaa212ce
SHA1

cb01c1cb0a2fc192c28b3d7864e739d9d8575e08
SHA256

7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a
SHA512

c682844cbe5899465e6ba14304a7d6cdfabb41c2f31c94e0407af953cf9889ed70da6a27615d868e2e9fa7f3711db488741c3cd68789a5ed7ac4fb1a60478054
SSDEEP

393216:2VVC+w99uPfkiyV4wqWisNWhQkUS9O6OKpsSH+sWTF:2m/fiyyFWFN7kJOKpsk+sWJ

Score

10^/10

chaos defense_evasion discovery evasion execution impact persistence pyinstaller ransomware spyware stealer

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/files/0x002b000000016ccd-14.dat	family_chaos
behavioral1/memory/2820-135-0x0000000001000000-0x0000000001152000-memory.dmp	family_chaos
behavioral1/memory/1096-178-0x0000000001370000-0x00000000014C2000-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
2688	bcdedit.exe
2712	bcdedit.exe

Renames multiple (222) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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
2248	wbadmin.exe

Disables Task Manager via registry modification
evasion

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe

Executes dropped EXE 5 IoCs

pid	Process
2420	Mai.exe
2820	main.exe
2860	Mai.exe
1096	svchost.exe
1264	Process not Found

Loads dropped DLL 14 IoCs

pid	Process
820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
2420	Mai.exe
2860	Mai.exe
2860	Mai.exe
2860	Mai.exe
2860	Mai.exe
2860	Mai.exe
2860	Mai.exe
2860	Mai.exe
1264	Process not Found

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.exe

Drops desktop.ini file(s) 64 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\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\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\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\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MX1BY2FD\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\AppData\Local\Microsoft\Feeds Cache\GRU3FPRK\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\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\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\OBDG6J46\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Recorded TV\Sample Media\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\Local\Microsoft\Windows\History\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\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\All Users\Microsoft\Windows\Ringtones\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\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\Local\Microsoft\Feeds Cache\TL381H8Y\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YFS4OGJW\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\EHDN25ED\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\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\Sample Videos\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\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Recorded TV\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\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-1-5-21-457978338-2990298471-2379561640-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fr71xqe4r.jpg"	svchost.exe

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x000c000000012233-5.dat	pyinstaller

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe

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
2612	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2452	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1096	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2820	main.exe
2820	main.exe
2820	main.exe
1096	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	main.exe
Token: SeDebugPrivilege	1096	svchost.exe
Token: SeBackupPrivilege	1808	vssvc.exe
Token: SeRestorePrivilege	1808	vssvc.exe
Token: SeAuditPrivilege	1808	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2976	WMIC.exe
Token: SeSecurityPrivilege	2976	WMIC.exe
Token: SeTakeOwnershipPrivilege	2976	WMIC.exe
Token: SeLoadDriverPrivilege	2976	WMIC.exe
Token: SeSystemProfilePrivilege	2976	WMIC.exe
Token: SeSystemtimePrivilege	2976	WMIC.exe
Token: SeProfSingleProcessPrivilege	2976	WMIC.exe
Token: SeIncBasePriorityPrivilege	2976	WMIC.exe
Token: SeCreatePagefilePrivilege	2976	WMIC.exe
Token: SeBackupPrivilege	2976	WMIC.exe
Token: SeRestorePrivilege	2976	WMIC.exe
Token: SeShutdownPrivilege	2976	WMIC.exe
Token: SeDebugPrivilege	2976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2976	WMIC.exe
Token: SeRemoteShutdownPrivilege	2976	WMIC.exe
Token: SeUndockPrivilege	2976	WMIC.exe
Token: SeManageVolumePrivilege	2976	WMIC.exe
Token: 33	2976	WMIC.exe
Token: 34	2976	WMIC.exe
Token: 35	2976	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2976	WMIC.exe
Token: SeSecurityPrivilege	2976	WMIC.exe
Token: SeTakeOwnershipPrivilege	2976	WMIC.exe
Token: SeLoadDriverPrivilege	2976	WMIC.exe
Token: SeSystemProfilePrivilege	2976	WMIC.exe
Token: SeSystemtimePrivilege	2976	WMIC.exe
Token: SeProfSingleProcessPrivilege	2976	WMIC.exe
Token: SeIncBasePriorityPrivilege	2976	WMIC.exe
Token: SeCreatePagefilePrivilege	2976	WMIC.exe
Token: SeBackupPrivilege	2976	WMIC.exe
Token: SeRestorePrivilege	2976	WMIC.exe
Token: SeShutdownPrivilege	2976	WMIC.exe
Token: SeDebugPrivilege	2976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2976	WMIC.exe
Token: SeRemoteShutdownPrivilege	2976	WMIC.exe
Token: SeUndockPrivilege	2976	WMIC.exe
Token: SeManageVolumePrivilege	2976	WMIC.exe
Token: 33	2976	WMIC.exe
Token: 34	2976	WMIC.exe
Token: 35	2976	WMIC.exe
Token: SeBackupPrivilege	2652	wbengine.exe
Token: SeRestorePrivilege	2652	wbengine.exe
Token: SeSecurityPrivilege	2652	wbengine.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 2420	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	30
PID 820 wrote to memory of 2420	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	30
PID 820 wrote to memory of 2420	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	30
PID 820 wrote to memory of 2420	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	30
PID 820 wrote to memory of 2820	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	31
PID 820 wrote to memory of 2820	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	31
PID 820 wrote to memory of 2820	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	31
PID 820 wrote to memory of 2820	820	7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe	31
PID 2420 wrote to memory of 2860	2420	Mai.exe	32
PID 2420 wrote to memory of 2860	2420	Mai.exe	32
PID 2420 wrote to memory of 2860	2420	Mai.exe	32
PID 2820 wrote to memory of 1096	2820	main.exe	33
PID 2820 wrote to memory of 1096	2820	main.exe	33
PID 2820 wrote to memory of 1096	2820	main.exe	33
PID 1096 wrote to memory of 2052	1096	svchost.exe	34
PID 1096 wrote to memory of 2052	1096	svchost.exe	34
PID 1096 wrote to memory of 2052	1096	svchost.exe	34
PID 2052 wrote to memory of 2612	2052	cmd.exe	36
PID 2052 wrote to memory of 2612	2052	cmd.exe	36
PID 2052 wrote to memory of 2612	2052	cmd.exe	36
PID 2052 wrote to memory of 2976	2052	cmd.exe	39
PID 2052 wrote to memory of 2976	2052	cmd.exe	39
PID 2052 wrote to memory of 2976	2052	cmd.exe	39
PID 1096 wrote to memory of 2728	1096	svchost.exe	41
PID 1096 wrote to memory of 2728	1096	svchost.exe	41
PID 1096 wrote to memory of 2728	1096	svchost.exe	41
PID 2728 wrote to memory of 2688	2728	cmd.exe	43
PID 2728 wrote to memory of 2688	2728	cmd.exe	43
PID 2728 wrote to memory of 2688	2728	cmd.exe	43
PID 2728 wrote to memory of 2712	2728	cmd.exe	44
PID 2728 wrote to memory of 2712	2728	cmd.exe	44
PID 2728 wrote to memory of 2712	2728	cmd.exe	44
PID 1096 wrote to memory of 2744	1096	svchost.exe	45
PID 1096 wrote to memory of 2744	1096	svchost.exe	45
PID 1096 wrote to memory of 2744	1096	svchost.exe	45
PID 2744 wrote to memory of 2248	2744	cmd.exe	47
PID 2744 wrote to memory of 2248	2744	cmd.exe	47
PID 2744 wrote to memory of 2248	2744	cmd.exe	47
PID 1096 wrote to memory of 2452	1096	svchost.exe	52
PID 1096 wrote to memory of 2452	1096	svchost.exe	52
PID 1096 wrote to memory of 2452	1096	svchost.exe	52

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\7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe
"C:\Users\Admin\AppData\Local\Temp\7737fb5fa7440206dbbd7dbeb8222a2851caf6210005e37d6d5d765081940e9a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:820
- C:\Users\Admin\AppData\Local\Temp\Mai.exe
  "C:\Users\Admin\AppData\Local\Temp\Mai.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Users\Admin\AppData\Local\Temp\Mai.exe
    "C:\Users\Admin\AppData\Local\Temp\Mai.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2860
- C:\Users\Admin\AppData\Local\Temp\main.exe
  "C:\Users\Admin\AppData\Local\Temp\main.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - 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:1096
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2052
    - - C:\Windows\system32\vssadmin.exe
        
        vssadmin delete shadows /all /quiet
        5⤵
        Interacts with shadow copies
        
        PID:2612
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2976
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2728
    - - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        5⤵
        Modifies boot configuration data using bcdedit
        
        PID:2688
    - - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} recoveryenabled no
        5⤵
        Modifies boot configuration data using bcdedit
        
        PID:2712
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2744
    - - C:\Windows\system32\wbadmin.exe
        
        wbadmin delete catalog -quiet
        5⤵
        Deletes backup catalog
        
        PID:2248
  - - C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
      4⤵
      Opens file in notepad (likely ransom note)
      PID:2452

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1808

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2580

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Direct Volume Access

T1006

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Adobe\Updater6\read_it.txt

Filesize
470B

MD5
8d343bf17ef14ed4108d2db0f866100a

SHA1
c40e7c3d21224852317c9faa94fb9491798afe64

SHA256
ff6234d40f59879bfb8cbc051303e5c40b7faab945a8b867937146cf693032a3

SHA512
5ef8d0a32c7b00393f9ccec32ec5b65532c0cb15f7f03bd93920fe74d365a4805da55b26bc0c6ed56b96a47a1c186a673147cb67539a6e907e82416b331e9303

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI24202\api-ms-win-core-file-l2-1-0.dll

Filesize
12KB

MD5
7f14fd0436c066a8b40e66386ceb55d0

SHA1
288c020fb12a4d8c65ed22a364b5eb8f4126a958

SHA256
c78eab8e057bddd55f998e72d8fdf5b53d9e9c8f67c8b404258e198eb2cdcf24

SHA512
d04adc52ee0ceed4131eb1d133bfe9a66cbc0f88900270b596116064480afe6ae6ca42feb0eaed54cb141987f2d7716bb2dae947a025014d05d7aa0b0821dc50

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI24202\api-ms-win-core-localization-l1-2-0.dll

Filesize
15KB

MD5
71457fd15de9e0b3ad83b4656cad2870

SHA1
c9c2caf4f9e87d32a93a52508561b4595617f09f

SHA256
db970725b36cc78ef2e756ff4b42db7b5b771bfd9d106486322cf037115bd911

SHA512
a10fcf1d7637effff0ae3e3b4291d54cc7444d985491e82b3f4e559fbb0dbb3b6231a8c689ff240a5036a7acae47421cda58aaa6938374d4b84893cce0077bc8

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI24202\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
13KB

MD5
e93816c04327730d41224e7a1ba6dc51

SHA1
3f83b9fc6291146e58afce5b5447cd6d2f32f749

SHA256
ca06ccf12927ca52d8827b3a36b23b6389c4c6d4706345e2d70b895b79ff2ec8

SHA512
beaab5a12bfc4498cdf67d8b560ef0b0e2451c5f4634b6c5780a857666fd14f8a379f42e38be1beefa1c3578b2df913d901b271719ac6794bfaab0731bb77bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI24202\python311.dll

Filesize
5.5MB

MD5
58e01abc9c9b5c885635180ed104fe95

SHA1
1c2f7216b125539d63bd111a7aba615c69deb8ba

SHA256
de1b95d2e951fc048c84684bc7df4346138910544ee335b61fc8e65f360c3837

SHA512
cd32c77191309d99aeed47699501b357b35669123f0dd70ed97c3791a009d1855ab27162db24a4bd9e719b68ee3b0539ee6db88e71abb9a2d4d629f87bc2c081

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI24202\ucrtbase.dll

Filesize
994KB

MD5
8e7680a8d07c3c4159241d31caaf369c

SHA1
62fe2d4ae788ee3d19e041d81696555a6262f575

SHA256
36cc22d92a60e57dee394f56a9d1ed1655ee9db89d2244a959005116a4184d80

SHA512
9509f5b07588a08a490f4c3cb859bbfe670052c1c83f92b9c3356afa664cb500364e09f9dafac7d387332cc52d9bb7bb84ceb1493f72d4d17ef08b9ee3cb4174

Download Submit
C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Notepad.lnk

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

Download Submit
\Users\Admin\AppData\Local\Temp\Mai.exe

Filesize
17.1MB

MD5
14f564392eec0b9eda9530411159057c

SHA1
ab49b66dff54e32df235b11b8d84934c2b455523

SHA256
50c043f374e51b8220fc411e24cc2c40c1aa59e1f19ebdc1170883c74c7ddf83

SHA512
7d27ca263069f92b4b8bd38545eee7fb260338ab246dff94a606ba301f1fb7588a649926b1082b290d2d642cd8e94fc3491ac2abff6aafc5173a9a025daca65b

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI24202\api-ms-win-core-file-l1-2-0.dll

Filesize
12KB

MD5
49e3260ae3f973608f4d4701eb97eb95

SHA1
097e7d56c3514a3c7dc17a9c54a8782c6d6c0a27

SHA256
476fbad616e20312efc943927ade1a830438a6bebb1dd1f83d2370e5343ea7af

SHA512
df22cf16490faa0dc809129ca32eaf1a16ec665f9c5411503ce0153270de038e5d3be1e0e49879a67043a688f6c42bdb5a9a6b3cea43bf533eba087e999be653

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI24202\api-ms-win-core-timezone-l1-1-0.dll

Filesize
13KB

MD5
acf40d5e6799231cf7e4026bad0c50a0

SHA1
8f0395b7e7d2aac02130f47b23b50d1eab87466b

SHA256
64b5b95fe56b6df4c2d47d771bec32bd89267605df736e08c1249b802d6d48d1

SHA512
f66a61e89231b6dc95b26d97f5647da42400bc809f70789b9afc00a42b94ea3487913860b69a1b0ee59ed5eb62c3a0cade9e21f95da35fdd42d8ce51c5507632

Download Submit
\Users\Admin\AppData\Local\Temp\main.exe

Filesize
1.3MB

MD5
840eb9e50c131322605c5ea90ae1312f

SHA1
fc9548f91123e05196dad6bcab11d29abd01500c

SHA256
f9600b1b06588e3815a55eb81e35289f7b9a5749ae623550734c5f3d8c04e038

SHA512
8e37c5890089bf1997e1c4c777a92f71eae9a86f11d1fb3cb3671dfa8c15c4365ed1f8811e6aae4d31f0fe73c1960b142f684a5274f086491f7d238a79313ffe

Download Submit
memory/1096-178-0x0000000001370000-0x00000000014C2000-memory.dmp

Filesize
1.3MB

Download
memory/2820-135-0x0000000001000000-0x0000000001152000-memory.dmp

Filesize
1.3MB

Download
memory/2820-117-0x000007FEF4C13000-0x000007FEF4C14000-memory.dmp

Filesize
4KB

Download
memory/2820-172-0x000007FEF4C10000-0x000007FEF55FC000-memory.dmp

Filesize
9.9MB

Download
memory/2820-181-0x000007FEF4C10000-0x000007FEF55FC000-memory.dmp

Filesize
9.9MB

Download