chaos | 1d3c2088b2d712f8006279db8acb9a1c6dc3037886a655d37bf75ea5fa6b9518

max time kernel
25s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
27/05/2024, 21:15

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General

Target

Malware-database-main/Electron V2.exe
Size

39KB
MD5

b1228ba24ca5f75f8df9d5d177e5bb2b
SHA1

1895758de51ccfefa40239aa11055540c8c5deb7
SHA256

04b106b179c202c67361aa4debad5d82f79a1927ab0ab8abc2ef350d18894b08
SHA512

7abc1df0089a1a00aadc11c33eecffb5d85258acc4eac0b261ceaea77e814eaf671506383fe0074fd5779b8bc58e0f48f0d15309aa81aecf27ecc6633da4c5a4
SSDEEP

768:hqo2khp1DlNjwQr9KWO4TOpkx7u/LraCvpbMC2mkek:ko2kFpNjwQr9KWODkx74L2CNf5k

Score

10^/10

chaos evasion ransomware spyware stealer

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral5/memory/2720-0-0x0000000000590000-0x00000000005A0000-memory.dmp	family_chaos
behavioral5/files/0x000500000002a9bd-6.dat	family_chaos

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
1932	bcdedit.exe
1584	bcdedit.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\IMPORTANT.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2392	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\AccountPictures\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\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\OneDrive\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\Accessibility\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	F:\$RECYCLE.BIN\S-1-5-21-3107365284-1576850094-161165143-1000\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\SendTo\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\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\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\Start Menu\Programs\Maintenance\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\Videos\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\Downloads\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\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\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\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-1-5-21-3107365284-1576850094-161165143-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xfcreyoim.jpg"	svchost.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings	svchost.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4760	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2392	svchost.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2720	Electron V2.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	Electron V2.exe
Token: SeDebugPrivilege	2392	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2392	2720	Electron V2.exe	77
PID 2720 wrote to memory of 2392	2720	Electron V2.exe	77
PID 2392 wrote to memory of 3452	2392	svchost.exe	79
PID 2392 wrote to memory of 3452	2392	svchost.exe	79
PID 3452 wrote to memory of 1932	3452	cmd.exe	81
PID 3452 wrote to memory of 1932	3452	cmd.exe	81
PID 3452 wrote to memory of 1584	3452	cmd.exe	82
PID 3452 wrote to memory of 1584	3452	cmd.exe	82
PID 2392 wrote to memory of 4760	2392	svchost.exe	83
PID 2392 wrote to memory of 4760	2392	svchost.exe	83

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\Electron V2.exe
"C:\Users\Admin\AppData\Local\Temp\Malware-database-main\Electron V2.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720
- 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
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2392
- - 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:3452
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1932
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1584
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\IMPORTANT.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:4760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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
39KB

MD5
b1228ba24ca5f75f8df9d5d177e5bb2b

SHA1
1895758de51ccfefa40239aa11055540c8c5deb7

SHA256
04b106b179c202c67361aa4debad5d82f79a1927ab0ab8abc2ef350d18894b08

SHA512
7abc1df0089a1a00aadc11c33eecffb5d85258acc4eac0b261ceaea77e814eaf671506383fe0074fd5779b8bc58e0f48f0d15309aa81aecf27ecc6633da4c5a4

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

Filesize
763B

MD5
46fe77013e7336b17e5270cc708a1da4

SHA1
c8949dbcaac904160eacafcbde51b52c0e5110f1

SHA256
fff91118e1d44de84c1876cfcb6ee5413c336dca888efb2d9af084047fe06cf6

SHA512
b4e5bc4e20005c869e914ab9314944215dced635991772896d07731bf1711708ce74f5660bab8669de965eeac00ce7b56cfb5fd650437dfe3336c90eb3790d52

Download Submit
memory/2392-14-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

Filesize
10.8MB

Download
memory/2392-452-0x00007FFFAE690000-0x00007FFFAF152000-memory.dmp

Filesize
10.8MB

Download
memory/2720-0-0x0000000000590000-0x00000000005A0000-memory.dmp

Filesize
64KB

Download
memory/2720-1-0x00007FFFAE693000-0x00007FFFAE695000-memory.dmp

Filesize
8KB

Download