chaos | 016af5cbbd12a5ef4c62160c0f159ba68b7347e46593653debfc0dc4404ae9d7

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-07-2024 07:21

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General

Target

2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe
Size

25KB
MD5

4113cebcc1df0d84e48ab602def45d10
SHA1

698306aa603646ac73e5e12bc20bc0409d5c3161
SHA256

016af5cbbd12a5ef4c62160c0f159ba68b7347e46593653debfc0dc4404ae9d7
SHA512

171c3f822b0bcd071c4ce1ad0b87240652c3e270c898b29f259294e0ae81300a9a4d680a4e965f36a537a270e2c3199b8c86ab972b1015542b07106213e7e437
SSDEEP

384:sYenjLLATPYpjzjrsh0ABm7IiOVp91HmSKXPxDGJ:rzYZHL1c9vexDG

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2812-1-0x0000000000F90000-0x0000000000F9C000-memory.dmp	family_chaos
behavioral1/files/0x00090000000120f1-5.dat	family_chaos
behavioral1/memory/2756-7-0x0000000001140000-0x000000000114C000-memory.dmp	family_chaos

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\readme.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	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) 64 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\AZW3CQRP\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\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\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\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\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\Public\Documents\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\Pictures\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\Windows\SendTo\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\All Users\Microsoft\Windows\Start Menu\Programs\Games\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\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Downloads\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\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\Tablet PC\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\Public\Videos\Sample Videos\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\KIC1AX96\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\Feeds Cache\VUFNXJNN\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\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\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\All Users\Microsoft\Windows\Start Menu\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\Public\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JN4P46FI\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\Desktop\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\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3294248377-1418901787-4083263181-1000\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\Temporary Internet Files\Content.IE5\DM9SSQC3\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PTQYFUC8\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\ER80V8JZ\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\Favorites\Links for United States\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\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\Public\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\Music\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\Recorded TV\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\Start Menu\desktop.ini	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

pid	Process
744	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2756	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe
2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe
2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe
Token: SeDebugPrivilege	2756	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2756	2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe	30
PID 2812 wrote to memory of 2756	2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe	30
PID 2812 wrote to memory of 2756	2812	2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe	30
PID 2756 wrote to memory of 744	2756	svchost.exe	32
PID 2756 wrote to memory of 744	2756	svchost.exe	32
PID 2756 wrote to memory of 744	2756	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-29_4113cebcc1df0d84e48ab602def45d10_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812
- 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)
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\readme.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\readme.txt

Filesize
1KB

MD5
a21fbb6b574f76bcb85521d18e148d13

SHA1
abc604359fffe3d09d5d6bd5e1ece5b6eb5b2b96

SHA256
bdfa247044216086af4289fc9bdbe83ddad23eecbe4b8a3caf950994f7625b9d

SHA512
f5608b13c7d9ebc857a2a3afce4e4be46869372eda809849ab8992f1910d0b9d3604b3c1bfe720d2b1a946cfad530ffdfb7bdcd71d04258ce8c5eb2799ccfa5f

Download Submit
C:\Users\Admin\AppData\Roaming\UnblockPing.svg

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

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

Filesize
25KB

MD5
4113cebcc1df0d84e48ab602def45d10

SHA1
698306aa603646ac73e5e12bc20bc0409d5c3161

SHA256
016af5cbbd12a5ef4c62160c0f159ba68b7347e46593653debfc0dc4404ae9d7

SHA512
171c3f822b0bcd071c4ce1ad0b87240652c3e270c898b29f259294e0ae81300a9a4d680a4e965f36a537a270e2c3199b8c86ab972b1015542b07106213e7e437

Download Submit
memory/2756-7-0x0000000001140000-0x000000000114C000-memory.dmp

Filesize
48KB

Download
memory/2756-49-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/2756-68-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/2756-883-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/2812-0-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

Filesize
4KB

Download
memory/2812-1-0x0000000000F90000-0x0000000000F9C000-memory.dmp

Filesize
48KB

Download