chaos | 1848e00bed09527b407f154aa979ef9da0bf7b85995bc1e92a0c4467765086a7

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2024 17:05

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General

Target

2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
Size

23KB
MD5

84afc8ce0899a6d3f6f30407c2d2af63
SHA1

68550a903846cff55ad9e690dee9056ff02a0152
SHA256

1848e00bed09527b407f154aa979ef9da0bf7b85995bc1e92a0c4467765086a7
SHA512

bcaee9094ef79c72c46b5d7fe2b3d73421aade716cd31953693cdbacac40333c979b928ea02674da59ffa338dce00d9e18cf2e570b6801cb73ec3e73e9b920f1
SSDEEP

384:J3MLWHn3kI3rS9pvVgjuRJOr91CrJb7KNeq:pn3kICpvmjCOr9SJbCeq

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\read_it.txt

Family

chaos

Ransom Note

----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.co Payment informationAmount: 0.1473766 BTC to [email protected] Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Emails

[email protected]

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/2900-0-0x00000000001A0000-0x00000000001AC000-memory.dmp	family_chaos
behavioral2/files/0x000800000002324f-6.dat	family_chaos

Detects command variations typically used by ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/2900-0-0x00000000001A0000-0x00000000001AC000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware
behavioral2/files/0x000800000002324f-6.dat	INDICATOR_SUSPICIOUS_GENRansomware

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	svchost.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\read_it.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3632	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\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\Recent\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\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\Administrative Tools\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\Desktop\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\Libraries\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\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\Pictures\Saved Pictures\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\AccountPictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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\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\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\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\OneDrive\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	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-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	svchost.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1312	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3632	svchost.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
Token: SeDebugPrivilege	3632	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 3632	2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe	98
PID 2900 wrote to memory of 3632	2900	2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe	98
PID 3632 wrote to memory of 1312	3632	svchost.exe	99
PID 3632 wrote to memory of 1312	3632	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-03_84afc8ce0899a6d3f6f30407c2d2af63_chaos_destroyer_wannacry.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:1312

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1520 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:2716

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

Query Registry

T1012

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\Roaming\svchost.exe

Filesize
23KB

MD5
84afc8ce0899a6d3f6f30407c2d2af63

SHA1
68550a903846cff55ad9e690dee9056ff02a0152

SHA256
1848e00bed09527b407f154aa979ef9da0bf7b85995bc1e92a0c4467765086a7

SHA512
bcaee9094ef79c72c46b5d7fe2b3d73421aade716cd31953693cdbacac40333c979b928ea02674da59ffa338dce00d9e18cf2e570b6801cb73ec3e73e9b920f1

Download Submit
C:\Users\Admin\Desktop\read_it.txt

Filesize
991B

MD5
60aa056bbe1642b929cd4704fac2a9ea

SHA1
65062b6935fd5e34d0bb316b64e3665af6aa83c6

SHA256
269860539c9d736cb58ce41acb580bd24c1c4b8ac52cedb85088b4be547b8a52

SHA512
e1b307f1e2493d2cfebfb6ff158054ef9082f7c93c840a9485bb5c169f5cabaf517d4e58a6753f33084dce745f58b6e650ecf2d061cb62dd303b7d25d94fdec7

Download Submit
memory/2900-0-0x00000000001A0000-0x00000000001AC000-memory.dmp

Filesize
48KB

Download
memory/2900-1-0x00007FFC4E380000-0x00007FFC4EE41000-memory.dmp

Filesize
10.8MB

Download
memory/2900-15-0x00007FFC4E380000-0x00007FFC4EE41000-memory.dmp

Filesize
10.8MB

Download
memory/3632-14-0x00007FFC4E380000-0x00007FFC4EE41000-memory.dmp

Filesize
10.8MB

Download
memory/3632-67-0x00007FFC4E380000-0x00007FFC4EE41000-memory.dmp

Filesize
10.8MB

Download