chaos | 82e34351115b01948c0ed5ba16337e6ddd3f519a0b6f681061fd5f50f95fda46

Analysis

max time kernel
27s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08-06-2023 10:35

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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 4 IoCs

Processes:

resource	yara_rule
behavioral9/memory/1696-54-0x0000000000E90000-0x0000000000EA0000-memory.dmp	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
behavioral9/memory/1156-60-0x0000000000310000-0x0000000000320000-memory.dmp	family_chaos

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exebcdedit.exe

pid process

1128 bcdedit.exe
864 bcdedit.exe

pid	process
1128	bcdedit.exe
864	bcdedit.exe

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

svchost.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ApproveMerge.tif => C:\Users\Admin\Pictures\ApproveMerge.tif.dlvx	svchost.exe
File renamed	C:\Users\Admin\Pictures\StopBlock.tif => C:\Users\Admin\Pictures\StopBlock.tif.fswq	svchost.exe

Drops startup file 3 IoCs

Processes:

svchost.exe

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

Processes:

svchost.exe

pid process

1156 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

pid	process
1156	svchost.exe

Drops desktop.ini file(s) 33 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\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\Desktop\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\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\Start Menu\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\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\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\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\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\Recent\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\Maintenance\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\Downloads\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\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\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\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\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\efk87jjhu.jpg"	svchost.exe

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

System Information Discovery
T1082
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1516 NOTEPAD.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

svchost.exe

pid process

1156 svchost.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Electron V2.exesvchost.exe

pid process

1696 Electron V2.exe
1156 svchost.exe
1156 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Electron V2.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1696 Electron V2.exe
Token: SeDebugPrivilege 1156 svchost.exe

pid	process
1516	NOTEPAD.EXE

pid	process
1156	svchost.exe

pid	process
1696	Electron V2.exe
1156	svchost.exe
1156	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1696	Electron V2.exe
Token: SeDebugPrivilege	1156	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Electron V2.exesvchost.execmd.exe

description	pid	process	target process
PID 1696 wrote to memory of 1156	1696	Electron V2.exe	svchost.exe
PID 1696 wrote to memory of 1156	1696	Electron V2.exe	svchost.exe
PID 1696 wrote to memory of 1156	1696	Electron V2.exe	svchost.exe
PID 1156 wrote to memory of 904	1156	svchost.exe	cmd.exe
PID 1156 wrote to memory of 904	1156	svchost.exe	cmd.exe
PID 1156 wrote to memory of 904	1156	svchost.exe	cmd.exe
PID 904 wrote to memory of 1128	904	cmd.exe	bcdedit.exe
PID 904 wrote to memory of 1128	904	cmd.exe	bcdedit.exe
PID 904 wrote to memory of 1128	904	cmd.exe	bcdedit.exe
PID 904 wrote to memory of 864	904	cmd.exe	bcdedit.exe
PID 904 wrote to memory of 864	904	cmd.exe	bcdedit.exe
PID 904 wrote to memory of 864	904	cmd.exe	bcdedit.exe
PID 1156 wrote to memory of 1516	1156	svchost.exe	NOTEPAD.EXE
PID 1156 wrote to memory of 1516	1156	svchost.exe	NOTEPAD.EXE
PID 1156 wrote to memory of 1516	1156	svchost.exe	NOTEPAD.EXE

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:1696

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Modifies extensions of user files
- 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:1156

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:904

C:\Windows\system32\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
4⤵
- Modifies boot configuration data using bcdedit
PID:1128

C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled no
4⤵
- Modifies boot configuration data using bcdedit
PID:864

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:1516

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

T1490

Defacement

T1491

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Downloads

C:\Users\Admin\AppData\Roaming\IMPORTANT.txt
Filesize
763B

MD5
46fe77013e7336b17e5270cc708a1da4

SHA1
c8949dbcaac904160eacafcbde51b52c0e5110f1

SHA256
fff91118e1d44de84c1876cfcb6ee5413c336dca888efb2d9af084047fe06cf6

SHA512
b4e5bc4e20005c869e914ab9314944215dced635991772896d07731bf1711708ce74f5660bab8669de965eeac00ce7b56cfb5fd650437dfe3336c90eb3790d52

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
39KB

MD5
b1228ba24ca5f75f8df9d5d177e5bb2b

SHA1
1895758de51ccfefa40239aa11055540c8c5deb7

SHA256
04b106b179c202c67361aa4debad5d82f79a1927ab0ab8abc2ef350d18894b08

SHA512
7abc1df0089a1a00aadc11c33eecffb5d85258acc4eac0b261ceaea77e814eaf671506383fe0074fd5779b8bc58e0f48f0d15309aa81aecf27ecc6633da4c5a4

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
39KB

MD5
b1228ba24ca5f75f8df9d5d177e5bb2b

SHA1
1895758de51ccfefa40239aa11055540c8c5deb7

SHA256
04b106b179c202c67361aa4debad5d82f79a1927ab0ab8abc2ef350d18894b08

SHA512
7abc1df0089a1a00aadc11c33eecffb5d85258acc4eac0b261ceaea77e814eaf671506383fe0074fd5779b8bc58e0f48f0d15309aa81aecf27ecc6633da4c5a4

Download Submit
C:\Users\Admin\Downloads\IMPORTANT.txt
Filesize
763B

MD5
46fe77013e7336b17e5270cc708a1da4

SHA1
c8949dbcaac904160eacafcbde51b52c0e5110f1

SHA256
fff91118e1d44de84c1876cfcb6ee5413c336dca888efb2d9af084047fe06cf6

SHA512
b4e5bc4e20005c869e914ab9314944215dced635991772896d07731bf1711708ce74f5660bab8669de965eeac00ce7b56cfb5fd650437dfe3336c90eb3790d52

Download Submit
memory/1156-60-0x0000000000310000-0x0000000000320000-memory.dmp

Filesize
64KB

Download
memory/1156-108-0x000000001B0A0000-0x000000001B120000-memory.dmp

Filesize
512KB

Download
memory/1156-505-0x000000001B0A0000-0x000000001B120000-memory.dmp

Filesize
512KB

Download
memory/1696-54-0x0000000000E90000-0x0000000000EA0000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads