chaos | e48bd2f16b53a3630f3fca69d0d236d15bc23b08754d980bd29b15841b0fdf14

General

Target

adawarewebinstaller.bin.exe
Size

137KB
MD5

9b02b542834573f9502ca83719a73a01
SHA1

f3bc7cf16eec977772455f3fce87fed505fb18e3
SHA256

e48bd2f16b53a3630f3fca69d0d236d15bc23b08754d980bd29b15841b0fdf14
SHA512

290c7a5bfc921817d1803ddbe8dd07210301082498945bcabdb597368f92c6fc1050cefec514e6d250571cb4afd6427d8e4ab7cd15d7a46a44cb088cd4d1b031
SSDEEP

3072:Eoy7AHYqr9ACDYVbu4sijUtSWnFA22WnVaxs2gzx+IjBz2:0mr9AHVycjUgWnFAGms2gzoch

Score

10^/10

chaos evasion ransomware spyware stealer

Malware Config

Extracted

Path

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

Ransom Note

Your Personal Files has been Encrypted and Locked Your documents, photos, databases and other important files have been encrypted with strongest encryption and locked with unique key, generated for this computer. Private decryption key is stored on a secret Internet server and nobody can decrypt your files until you pay and obtain the private key. Caution: Removing of Blackhat will not restore access to your encrypted files. Frequently Asked Questions What happened to my files ? understanding the issue How can i get my files back ? the only way to restore your files What should i do next ? Buy decryption key Now you have the last chance to decrypt your files. 1. Buy Bitcoin (https://blockchain.info) 2. Send amount of 200 dollar to address: to 3QpLGGaeFwxtV61p1bBUpTBzPcKdtPQpNA 3. Transaction will take about 15-30 minutes to confirm. 4. When transaction is confirmed, send email to us at leonid.andrianoviaa@mail.ru Click here to restore and recovery your files

Emails

leonid.andrianoviaa@mail.ru

Wallets

3QpLGGaeFwxtV61p1bBUpTBzPcKdtPQpNA

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2012-54-0x0000000000ED0000-0x0000000000EF8000-memory.dmp	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
behavioral1/memory/1964-58-0x0000000001380000-0x00000000013A8000-memory.dmp	family_chaos

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exebcdedit.exe

pid process

1744 bcdedit.exe
836 bcdedit.exe
Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
ransomware

Command-Line Interface
T1059

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

wbadmin.exe

pid process

1724 wbadmin.exe

pid	process
1744	bcdedit.exe
836	bcdedit.exe

pid	process
1724	wbadmin.exe

Modifies extensions of user files 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

svchost.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\LimitRename.tif => C:\Users\Admin\Pictures\LimitRename.tif.1iyT6bav7VyWM5	svchost.exe
File renamed	C:\Users\Admin\Pictures\RequestFind.png => C:\Users\Admin\Pictures\RequestFind.png.1iyT6bav7VyWM5	svchost.exe
File renamed	C:\Users\Admin\Pictures\WaitInitialize.png => C:\Users\Admin\Pictures\WaitInitialize.png.1iyT6bav7VyWM5	svchost.exe
File renamed	C:\Users\Admin\Pictures\ConvertToClose.png => C:\Users\Admin\Pictures\ConvertToClose.png.1iyT6bav7VyWM5	svchost.exe
File renamed	C:\Users\Admin\Pictures\DebugLock.tif => C:\Users\Admin\Pictures\DebugLock.tif.1iyT6bav7VyWM5	svchost.exe
File renamed	C:\Users\Admin\Pictures\InstallRegister.tif => C:\Users\Admin\Pictures\InstallRegister.tif.1iyT6bav7VyWM5	svchost.exe

Drops startup file 3 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\andrianov.txt	svchost.exe
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

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1964 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
T1081

pid	process
1964	svchost.exe

Drops desktop.ini file(s) 33 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Favorites\Links\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\Public\Documents\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\Start Menu\Programs\Administrative Tools\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\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\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\Admin\Favorites\Links for United States\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\SendTo\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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\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\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\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\Accessories\Accessibility\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\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\l8lcweka5.jpg"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	svchost.exe

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

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

644 vssadmin.exe
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1312 NOTEPAD.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

svchost.exe

pid process

1964 svchost.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

adawarewebinstaller.bin.exesvchost.exe

pid process

2012 adawarewebinstaller.bin.exe
1964 svchost.exe
1964 svchost.exe

pid	process
644	vssadmin.exe

pid	process
1312	NOTEPAD.EXE

pid	process
1964	svchost.exe

pid	process
2012	adawarewebinstaller.bin.exe
1964	svchost.exe
1964	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

adawarewebinstaller.bin.exesvchost.exevssvc.exeWMIC.exewbengine.exe

description	pid	process
Token: SeDebugPrivilege	2012	adawarewebinstaller.bin.exe
Token: SeDebugPrivilege	1964	svchost.exe
Token: SeBackupPrivilege	1388	vssvc.exe
Token: SeRestorePrivilege	1388	vssvc.exe
Token: SeAuditPrivilege	1388	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1804	WMIC.exe
Token: SeSecurityPrivilege	1804	WMIC.exe
Token: SeTakeOwnershipPrivilege	1804	WMIC.exe
Token: SeLoadDriverPrivilege	1804	WMIC.exe
Token: SeSystemProfilePrivilege	1804	WMIC.exe
Token: SeSystemtimePrivilege	1804	WMIC.exe
Token: SeProfSingleProcessPrivilege	1804	WMIC.exe
Token: SeIncBasePriorityPrivilege	1804	WMIC.exe
Token: SeCreatePagefilePrivilege	1804	WMIC.exe
Token: SeBackupPrivilege	1804	WMIC.exe
Token: SeRestorePrivilege	1804	WMIC.exe
Token: SeShutdownPrivilege	1804	WMIC.exe
Token: SeDebugPrivilege	1804	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1804	WMIC.exe
Token: SeRemoteShutdownPrivilege	1804	WMIC.exe
Token: SeUndockPrivilege	1804	WMIC.exe
Token: SeManageVolumePrivilege	1804	WMIC.exe
Token: 33	1804	WMIC.exe
Token: 34	1804	WMIC.exe
Token: 35	1804	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1804	WMIC.exe
Token: SeSecurityPrivilege	1804	WMIC.exe
Token: SeTakeOwnershipPrivilege	1804	WMIC.exe
Token: SeLoadDriverPrivilege	1804	WMIC.exe
Token: SeSystemProfilePrivilege	1804	WMIC.exe
Token: SeSystemtimePrivilege	1804	WMIC.exe
Token: SeProfSingleProcessPrivilege	1804	WMIC.exe
Token: SeIncBasePriorityPrivilege	1804	WMIC.exe
Token: SeCreatePagefilePrivilege	1804	WMIC.exe
Token: SeBackupPrivilege	1804	WMIC.exe
Token: SeRestorePrivilege	1804	WMIC.exe
Token: SeShutdownPrivilege	1804	WMIC.exe
Token: SeDebugPrivilege	1804	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1804	WMIC.exe
Token: SeRemoteShutdownPrivilege	1804	WMIC.exe
Token: SeUndockPrivilege	1804	WMIC.exe
Token: SeManageVolumePrivilege	1804	WMIC.exe
Token: 33	1804	WMIC.exe
Token: 34	1804	WMIC.exe
Token: 35	1804	WMIC.exe
Token: SeBackupPrivilege	1504	wbengine.exe
Token: SeRestorePrivilege	1504	wbengine.exe
Token: SeSecurityPrivilege	1504	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

adawarewebinstaller.bin.exesvchost.execmd.execmd.execmd.exe

description	pid	process	target process
PID 2012 wrote to memory of 1964	2012	adawarewebinstaller.bin.exe	svchost.exe
PID 2012 wrote to memory of 1964	2012	adawarewebinstaller.bin.exe	svchost.exe
PID 2012 wrote to memory of 1964	2012	adawarewebinstaller.bin.exe	svchost.exe
PID 1964 wrote to memory of 1780	1964	svchost.exe	cmd.exe
PID 1964 wrote to memory of 1780	1964	svchost.exe	cmd.exe
PID 1964 wrote to memory of 1780	1964	svchost.exe	cmd.exe
PID 1780 wrote to memory of 644	1780	cmd.exe	vssadmin.exe
PID 1780 wrote to memory of 644	1780	cmd.exe	vssadmin.exe
PID 1780 wrote to memory of 644	1780	cmd.exe	vssadmin.exe
PID 1780 wrote to memory of 1804	1780	cmd.exe	WMIC.exe
PID 1780 wrote to memory of 1804	1780	cmd.exe	WMIC.exe
PID 1780 wrote to memory of 1804	1780	cmd.exe	WMIC.exe
PID 1964 wrote to memory of 1160	1964	svchost.exe	cmd.exe
PID 1964 wrote to memory of 1160	1964	svchost.exe	cmd.exe
PID 1964 wrote to memory of 1160	1964	svchost.exe	cmd.exe
PID 1160 wrote to memory of 1744	1160	cmd.exe	bcdedit.exe
PID 1160 wrote to memory of 1744	1160	cmd.exe	bcdedit.exe
PID 1160 wrote to memory of 1744	1160	cmd.exe	bcdedit.exe
PID 1160 wrote to memory of 836	1160	cmd.exe	bcdedit.exe
PID 1160 wrote to memory of 836	1160	cmd.exe	bcdedit.exe
PID 1160 wrote to memory of 836	1160	cmd.exe	bcdedit.exe
PID 1964 wrote to memory of 1332	1964	svchost.exe	cmd.exe
PID 1964 wrote to memory of 1332	1964	svchost.exe	cmd.exe
PID 1964 wrote to memory of 1332	1964	svchost.exe	cmd.exe
PID 1332 wrote to memory of 1724	1332	cmd.exe	wbadmin.exe
PID 1332 wrote to memory of 1724	1332	cmd.exe	wbadmin.exe
PID 1332 wrote to memory of 1724	1332	cmd.exe	wbadmin.exe
PID 1964 wrote to memory of 1312	1964	svchost.exe	NOTEPAD.EXE
PID 1964 wrote to memory of 1312	1964	svchost.exe	NOTEPAD.EXE
PID 1964 wrote to memory of 1312	1964	svchost.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\adawarewebinstaller.bin.exe
"C:\Users\Admin\AppData\Local\Temp\adawarewebinstaller.bin.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Modifies extensions of user files
- 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:1964

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:1780

C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
4⤵
- Interacts with shadow copies
PID:644

C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1804

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:1160

C:\Windows\system32\bcdedit.exe
bcdedit /set {default} bootstatuspolicy ignoreallfailures
4⤵
- Modifies boot configuration data using bcdedit
PID:1744

C:\Windows\system32\bcdedit.exe
bcdedit /set {default} recoveryenabled no
4⤵
- Modifies boot configuration data using bcdedit
PID:836

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
3⤵
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\system32\wbadmin.exe
wbadmin delete catalog -quiet
4⤵
- Deletes backup catalog
PID:1724

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\andrianov.txt
3⤵
- Opens file in notepad (likely ransom note)
PID:1312

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1388

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:604

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:336

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

File Deletion

3

T1107

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4

T1490

Defacement

1

T1491

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Downloads

C:\Users\Admin\AppData\Roaming\andrianov.txt
Filesize
987B

MD5
8d31c8f9e4bb13c044a9825aee0cdfa3

SHA1
6ff267b0179f7ddebe46e8ba855b5e4d176a9bbb

SHA256
5aca5bd47a3fd4a211121870f0124245a87528da86b07cb1a0934566ba0349bf

SHA512
878a8b06a392000fba503bcd16766c75c53ea033746fd74da02a5bb3a91bf3b9701fb9c89a5eafc179909727c5e16ac21b293fb5de134770bf30db8ed3ae216a

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
137KB

MD5
9b02b542834573f9502ca83719a73a01

SHA1
f3bc7cf16eec977772455f3fce87fed505fb18e3

SHA256
e48bd2f16b53a3630f3fca69d0d236d15bc23b08754d980bd29b15841b0fdf14

SHA512
290c7a5bfc921817d1803ddbe8dd07210301082498945bcabdb597368f92c6fc1050cefec514e6d250571cb4afd6427d8e4ab7cd15d7a46a44cb088cd4d1b031

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
137KB

MD5
9b02b542834573f9502ca83719a73a01

SHA1
f3bc7cf16eec977772455f3fce87fed505fb18e3

SHA256
e48bd2f16b53a3630f3fca69d0d236d15bc23b08754d980bd29b15841b0fdf14

SHA512
290c7a5bfc921817d1803ddbe8dd07210301082498945bcabdb597368f92c6fc1050cefec514e6d250571cb4afd6427d8e4ab7cd15d7a46a44cb088cd4d1b031

Download Submit
memory/644-60-0x0000000000000000-mapping.dmp

Download
memory/836-64-0x0000000000000000-mapping.dmp

Download
memory/1160-62-0x0000000000000000-mapping.dmp

Download
memory/1312-68-0x0000000000000000-mapping.dmp

Download
memory/1332-65-0x0000000000000000-mapping.dmp

Download
memory/1724-66-0x0000000000000000-mapping.dmp

Download
memory/1724-67-0x000007FEFB5F1000-0x000007FEFB5F3000-memory.dmp

Filesize
8KB

Download
memory/1744-63-0x0000000000000000-mapping.dmp

Download
memory/1780-59-0x0000000000000000-mapping.dmp

Download
memory/1804-61-0x0000000000000000-mapping.dmp

Download
memory/1964-58-0x0000000001380000-0x00000000013A8000-memory.dmp

Filesize
160KB

Download
memory/1964-55-0x0000000000000000-mapping.dmp

Download
memory/2012-54-0x0000000000ED0000-0x0000000000EF8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads