chaos | 2acb33d8616a027487308629ee9271d2602065341f74ea0be18b526dff62d3cf

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-04-2024 18:45

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General

Target

2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe
Size

36KB
MD5

0d0ec10adf72d3c4f9f4d8aa2d28b84b
SHA1

2f22d5b19caa97c914a10c47c75ddde5cec0a417
SHA256

2acb33d8616a027487308629ee9271d2602065341f74ea0be18b526dff62d3cf
SHA512

d3480179ea8681a3a06f60bce1c769ec0bd8d7e3a170d3a7783b42330168c0c0978a7ed16174e4a3938822d1a573c4667e16aa2326194e2043bffcedb85c6658
SSDEEP

768:kqo2Vc72OYpkdcE6r94t2W+bcf8EAndDyjweg:zo2+qpE6r94d+YZJg

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/1996-0-0x00000000008E0000-0x00000000008F0000-memory.dmp	family_chaos
behavioral1/files/0x000c00000001224f-6.dat	family_chaos
behavioral1/memory/2908-9-0x0000000001010000-0x0000000001020000-memory.dmp	family_chaos

Detects command variations typically used by ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/1996-0-0x00000000008E0000-0x00000000008F0000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware
behavioral1/files/0x000c00000001224f-6.dat	INDICATOR_SUSPICIOUS_GENRansomware
behavioral1/memory/2908-9-0x0000000001010000-0x0000000001020000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware

Drops startup file 3 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2908	WINDAH.exe
2844	WINDAH.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\Music\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	WINDAH.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	WINDAH.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	WINDAH.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-1-5-21-1298544033-3225604241-2703760938-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oc2li0589.jpg"	WINDAH.exe

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2908	WINDAH.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1996	2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe
1996	2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe
2908	WINDAH.exe
2908	WINDAH.exe
2908	WINDAH.exe
2844	WINDAH.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe
Token: SeDebugPrivilege	2908	WINDAH.exe
Token: SeDebugPrivilege	2844	WINDAH.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2908	1996	2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe	28
PID 1996 wrote to memory of 2908	1996	2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe	28
PID 1996 wrote to memory of 2908	1996	2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe	28
PID 2908 wrote to memory of 2844	2908	WINDAH.exe	30
PID 2908 wrote to memory of 2844	2908	WINDAH.exe	30
PID 2908 wrote to memory of 2844	2908	WINDAH.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-13_0d0ec10adf72d3c4f9f4d8aa2d28b84b_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Roaming\WINDAH.exe
  "C:\Users\Admin\AppData\Roaming\WINDAH.exe"
  2⤵
  - 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:2908
- - C:\Users\Admin\AppData\Roaming\WINDAH.exe
    "C:\Users\Admin\AppData\Roaming\WINDAH.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2844

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\WINDAH.exe

Filesize
36KB

MD5
0d0ec10adf72d3c4f9f4d8aa2d28b84b

SHA1
2f22d5b19caa97c914a10c47c75ddde5cec0a417

SHA256
2acb33d8616a027487308629ee9271d2602065341f74ea0be18b526dff62d3cf

SHA512
d3480179ea8681a3a06f60bce1c769ec0bd8d7e3a170d3a7783b42330168c0c0978a7ed16174e4a3938822d1a573c4667e16aa2326194e2043bffcedb85c6658

Download Submit
C:\Users\Admin\Documents\WINDAH

Filesize
55B

MD5
88db48406143c6f8fcded18777d0df9e

SHA1
2fd5814c4fb4fe0599430893fef810741c0ebcb0

SHA256
db212078927fc8c1c43969b8bd9b1b5be47e28af5c6428919c982980fd4f1f87

SHA512
1ffc4069e2593206418fea2a395b00a75de51744f8698f6d827021aaa661efebf82a827b44b31bbfbc6e4447150abbc290b765b70b599f3a5685ff3db07f1352

Download Submit
memory/1996-0-0x00000000008E0000-0x00000000008F0000-memory.dmp

Filesize
64KB

Download
memory/1996-1-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Filesize
9.9MB

Download
memory/1996-7-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Filesize
9.9MB

Download
memory/2844-431-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Filesize
9.9MB

Download
memory/2908-9-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/2908-8-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Filesize
9.9MB

Download
memory/2908-11-0x000000001A960000-0x000000001A9E0000-memory.dmp

Filesize
512KB

Download
memory/2908-432-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

Filesize
9.9MB

Download
memory/2908-433-0x000000001A960000-0x000000001A9E0000-memory.dmp

Filesize
512KB

Download