chaos | a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c

Analysis

max time kernel
30s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 00:25

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General

Target

2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
Size

970KB
MD5

35451ac684f221eaa4441ca2b05e4dfc
SHA1

c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d
SHA256

a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c
SHA512

92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d
SSDEEP

12288:Ro4d207I28YV+IZ5ZMTcNpLIsriuWVL+JUBK9jLF57RboGnDhCqYVNX3Sf8EYJKp:Re2pKu4e/FKG8tVdLX0uD0

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

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

Ransom Note

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 Decryption software is $100. 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 - https://www.coinmama.com Bitpanda - https://www.bitpanda.com MoonPay - https://www.moonpay.com/buy/btc Payment Amount: $100 Payment Mode: BTC / Bitcoin Bitcoin Address: bc1q74lp20gxwuddlrqltxrr7994umdesrdyv2e0z3

URLs

https://www.coinmama.com

https://www.bitpanda.com

https://www.moonpay.com/buy/btc

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2012-1-0x0000000000970000-0x0000000000A68000-memory.dmp	family_chaos
behavioral1/files/0x0004000000017801-5.dat	family_chaos
behavioral1/memory/2836-7-0x0000000000B90000-0x0000000000C88000-memory.dmp	family_chaos

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
2252	bcdedit.exe
896	bcdedit.exe

Renames multiple (233) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes backup catalog 3 TTPs 1 IoCs

Uses wbadmin.exe to inhibit system recovery.

ransomware

Command and Scripting Interpreter

T1059

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2436	wbadmin.exe

Drops startup file 3 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2836	DiscordTokenGenerator.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\Links\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	DiscordTokenGenerator.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	DiscordTokenGenerator.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-1-5-21-2212144002-1172735686-1556890956-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\j21xwnkzx.jpg"	DiscordTokenGenerator.exe

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

System Information Discovery
T1082

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2128	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2760	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2836	DiscordTokenGenerator.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
2836	DiscordTokenGenerator.exe
2836	DiscordTokenGenerator.exe
2836	DiscordTokenGenerator.exe
2836	DiscordTokenGenerator.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
Token: SeDebugPrivilege	2836	DiscordTokenGenerator.exe
Token: SeBackupPrivilege	2480	vssvc.exe
Token: SeRestorePrivilege	2480	vssvc.exe
Token: SeAuditPrivilege	2480	vssvc.exe
Token: SeIncreaseQuotaPrivilege	752	WMIC.exe
Token: SeSecurityPrivilege	752	WMIC.exe
Token: SeTakeOwnershipPrivilege	752	WMIC.exe
Token: SeLoadDriverPrivilege	752	WMIC.exe
Token: SeSystemProfilePrivilege	752	WMIC.exe
Token: SeSystemtimePrivilege	752	WMIC.exe
Token: SeProfSingleProcessPrivilege	752	WMIC.exe
Token: SeIncBasePriorityPrivilege	752	WMIC.exe
Token: SeCreatePagefilePrivilege	752	WMIC.exe
Token: SeBackupPrivilege	752	WMIC.exe
Token: SeRestorePrivilege	752	WMIC.exe
Token: SeShutdownPrivilege	752	WMIC.exe
Token: SeDebugPrivilege	752	WMIC.exe
Token: SeSystemEnvironmentPrivilege	752	WMIC.exe
Token: SeRemoteShutdownPrivilege	752	WMIC.exe
Token: SeUndockPrivilege	752	WMIC.exe
Token: SeManageVolumePrivilege	752	WMIC.exe
Token: 33	752	WMIC.exe
Token: 34	752	WMIC.exe
Token: 35	752	WMIC.exe
Token: SeIncreaseQuotaPrivilege	752	WMIC.exe
Token: SeSecurityPrivilege	752	WMIC.exe
Token: SeTakeOwnershipPrivilege	752	WMIC.exe
Token: SeLoadDriverPrivilege	752	WMIC.exe
Token: SeSystemProfilePrivilege	752	WMIC.exe
Token: SeSystemtimePrivilege	752	WMIC.exe
Token: SeProfSingleProcessPrivilege	752	WMIC.exe
Token: SeIncBasePriorityPrivilege	752	WMIC.exe
Token: SeCreatePagefilePrivilege	752	WMIC.exe
Token: SeBackupPrivilege	752	WMIC.exe
Token: SeRestorePrivilege	752	WMIC.exe
Token: SeShutdownPrivilege	752	WMIC.exe
Token: SeDebugPrivilege	752	WMIC.exe
Token: SeSystemEnvironmentPrivilege	752	WMIC.exe
Token: SeRemoteShutdownPrivilege	752	WMIC.exe
Token: SeUndockPrivilege	752	WMIC.exe
Token: SeManageVolumePrivilege	752	WMIC.exe
Token: 33	752	WMIC.exe
Token: 34	752	WMIC.exe
Token: 35	752	WMIC.exe
Token: SeBackupPrivilege	996	wbengine.exe
Token: SeRestorePrivilege	996	wbengine.exe
Token: SeSecurityPrivilege	996	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2836	2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe	30
PID 2012 wrote to memory of 2836	2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe	30
PID 2012 wrote to memory of 2836	2012	2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe	30
PID 2836 wrote to memory of 2404	2836	DiscordTokenGenerator.exe	32
PID 2836 wrote to memory of 2404	2836	DiscordTokenGenerator.exe	32
PID 2836 wrote to memory of 2404	2836	DiscordTokenGenerator.exe	32
PID 2404 wrote to memory of 2128	2404	cmd.exe	34
PID 2404 wrote to memory of 2128	2404	cmd.exe	34
PID 2404 wrote to memory of 2128	2404	cmd.exe	34
PID 2404 wrote to memory of 752	2404	cmd.exe	38
PID 2404 wrote to memory of 752	2404	cmd.exe	38
PID 2404 wrote to memory of 752	2404	cmd.exe	38
PID 2836 wrote to memory of 2860	2836	DiscordTokenGenerator.exe	40
PID 2836 wrote to memory of 2860	2836	DiscordTokenGenerator.exe	40
PID 2836 wrote to memory of 2860	2836	DiscordTokenGenerator.exe	40
PID 2860 wrote to memory of 2252	2860	cmd.exe	42
PID 2860 wrote to memory of 2252	2860	cmd.exe	42
PID 2860 wrote to memory of 2252	2860	cmd.exe	42
PID 2860 wrote to memory of 896	2860	cmd.exe	43
PID 2860 wrote to memory of 896	2860	cmd.exe	43
PID 2860 wrote to memory of 896	2860	cmd.exe	43
PID 2836 wrote to memory of 3008	2836	DiscordTokenGenerator.exe	44
PID 2836 wrote to memory of 3008	2836	DiscordTokenGenerator.exe	44
PID 2836 wrote to memory of 3008	2836	DiscordTokenGenerator.exe	44
PID 3008 wrote to memory of 2436	3008	cmd.exe	46
PID 3008 wrote to memory of 2436	3008	cmd.exe	46
PID 3008 wrote to memory of 2436	3008	cmd.exe	46
PID 2836 wrote to memory of 2760	2836	DiscordTokenGenerator.exe	50
PID 2836 wrote to memory of 2760	2836	DiscordTokenGenerator.exe	50
PID 2836 wrote to memory of 2760	2836	DiscordTokenGenerator.exe	50

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Roaming\DiscordTokenGenerator.exe
  "C:\Users\Admin\AppData\Roaming\DiscordTokenGenerator.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:2836
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2404
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:2128
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:752
- - 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:2860
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2252
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:896
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3008
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:2436
- - 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:2760

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2480

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:996

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:304

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

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

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

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

Filesize
970KB

MD5
35451ac684f221eaa4441ca2b05e4dfc

SHA1
c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d

SHA256
a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c

SHA512
92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d

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

Filesize
951B

MD5
afaf45eac5b002a2c6bf0a1858e189ee

SHA1
deda43ac721981b8cd06cad3647b14487cc3bb9f

SHA256
d63c56428b36e922649eb3fe54336bd390218cdcf18530eef61551342745a08e

SHA512
b0e6b605bd280fd9658c8203629c2853c8404e931f525f300bd8e4c30ca16d71bb2c7d318a671ef4251691a966a6d08cb22eea048473d53361826b6af33388d2

Download Submit
memory/2012-0-0x000007FEF5FA3000-0x000007FEF5FA4000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000000970000-0x0000000000A68000-memory.dmp

Filesize
992KB

Download
memory/2836-7-0x0000000000B90000-0x0000000000C88000-memory.dmp

Filesize
992KB

Download
memory/2836-17-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

Filesize
9.9MB

Download
memory/2836-24-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

Filesize
9.9MB

Download
memory/2836-531-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

Filesize
9.9MB

Download
memory/2836-532-0x000007FEF5FA0000-0x000007FEF698C000-memory.dmp

Filesize
9.9MB

Download