chaos | d418ca84ca4bb7db72d2b00f8d6225a57909e02f712c7b0e2d9cefb2e18d0737

Resubmissions

13-07-2024 09:54

240713-lxbx6swdmm 10

13-07-2024 09:50

240713-lvbvdsyapd 10

13-07-2024 09:46

240713-lr1dksyajd 10

Analysis

max time kernel
1366s
max time network
1150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13-07-2024 09:54

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Report Analysis Logs

General

Target

9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
Size

976KB
MD5

52e77b6c313dccdf3e013b86a8cdd915
SHA1

72051bf592b4da79b44d704b675a810ad387a549
SHA256

9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275
SHA512

7a9e397af4f1963e742c1125e55c9808b1e90b077c98be374638d06bccce2106e6c436e4629b6a5233f22adc451a9f351b99a8f45a2a86802a0d21c73860b4da
SSDEEP

12288:hUFOlD+3ryYy5zOuMEXyfrznawAmcCh7axyK9E3+ez2pSqxnBPrAM+zwbRU3i+yF:/a0rbpZ7mi+y

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

Processes:

resource	yara_rule
behavioral31/memory/4216-1-0x0000000000330000-0x000000000042A000-memory.dmp	family_chaos
C:\Users\Admin\AppData\Roaming\MINECRAFTMFAGEN.exe	family_chaos

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

Processes:

MINECRAFTMFAGEN.exe9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	MINECRAFTMFAGEN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe

Drops startup file 3 IoCs

Processes:

MINECRAFTMFAGEN.exe

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

Executes dropped EXE 1 IoCs

Processes:

MINECRAFTMFAGEN.exe

pid process

3908 MINECRAFTMFAGEN.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

pid	process
3908	MINECRAFTMFAGEN.exe

Drops desktop.ini file(s) 34 IoCs

Processes:

MINECRAFTMFAGEN.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1750093773-264148664-1320403265-1000\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	MINECRAFTMFAGEN.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	MINECRAFTMFAGEN.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

MINECRAFTMFAGEN.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\27h8nghx0.jpg"	MINECRAFTMFAGEN.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

Processes:

MINECRAFTMFAGEN.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings	MINECRAFTMFAGEN.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

2188 NOTEPAD.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

MINECRAFTMFAGEN.exe

pid process

3908 MINECRAFTMFAGEN.exe

pid	process
2188	NOTEPAD.EXE

pid	process
3908	MINECRAFTMFAGEN.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exeMINECRAFTMFAGEN.exe

pid	process
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe
3908	MINECRAFTMFAGEN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exeMINECRAFTMFAGEN.exe

description	pid	process
Token: SeDebugPrivilege	4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
Token: SeDebugPrivilege	3908	MINECRAFTMFAGEN.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exeMINECRAFTMFAGEN.exe

description	pid	process	target process
PID 4216 wrote to memory of 3908	4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe	MINECRAFTMFAGEN.exe
PID 4216 wrote to memory of 3908	4216	9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe	MINECRAFTMFAGEN.exe
PID 3908 wrote to memory of 2188	3908	MINECRAFTMFAGEN.exe	NOTEPAD.EXE
PID 3908 wrote to memory of 2188	3908	MINECRAFTMFAGEN.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe
"C:\Users\Admin\AppData\Local\Temp\9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Users\Admin\AppData\Roaming\MINECRAFTMFAGEN.exe
  "C:\Users\Admin\AppData\Roaming\MINECRAFTMFAGEN.exe"
  2⤵
  - Checks computer location settings
  - 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:3908
- - 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:2188

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

Query Registry

T1012

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\MINECRAFTMFAGEN.exe

Filesize
976KB

MD5
52e77b6c313dccdf3e013b86a8cdd915

SHA1
72051bf592b4da79b44d704b675a810ad387a549

SHA256
9bff71afadddb02956bd74c517b4de581885b0d6ff007796d00d3c2190c30275

SHA512
7a9e397af4f1963e742c1125e55c9808b1e90b077c98be374638d06bccce2106e6c436e4629b6a5233f22adc451a9f351b99a8f45a2a86802a0d21c73860b4da

Download Submit
C:\Users\Admin\Documents\README.TXT

Filesize
3KB

MD5
2e33475a88e04e3730f8f4071999d4bd

SHA1
0927e48d079f53f2918f0da295815aa30fd9e332

SHA256
b02a228ef21dfbb2c2f9a26dfc6c1259d39b67ccf551ab274e3023f2798736a4

SHA512
4c4e4239ee2a497ffade47d07df63cb01d2516427c430c05206c51755cd3c3645ebaa118805efd381f049f2e35593897c8ea0f9a0a009eb7e2ff62f63953342c

Download Submit
memory/3908-14-0x00007FFD19D60000-0x00007FFD1A821000-memory.dmp

Filesize
10.8MB

Download
memory/3908-22-0x00007FFD19D60000-0x00007FFD1A821000-memory.dmp

Filesize
10.8MB

Download
memory/3908-476-0x00007FFD19D60000-0x00007FFD1A821000-memory.dmp

Filesize
10.8MB

Download
memory/4216-0-0x00007FFD19D63000-0x00007FFD19D65000-memory.dmp

Filesize
8KB

Download
memory/4216-1-0x0000000000330000-0x000000000042A000-memory.dmp

Filesize
1000KB

Download