Malware Analysis Report

2024-08-06 16:03

Sample ID 240504-ffmepade8s
Target 2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry
SHA256 cac286e52563a7892d233c1497496594fe50aa8fb4ad73a9def0eb8c351b742d
Tags
chaos ransomware spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cac286e52563a7892d233c1497496594fe50aa8fb4ad73a9def0eb8c351b742d

Threat Level: Known bad

The file 2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry was found to be: Known bad.

Malicious Activity Summary

chaos ransomware spyware stealer

Detects command variations typically used by ransomware

Chaos family

Chaos Ransomware

Chaos

Detects command variations typically used by ransomware

Reads user/profile data of web browsers

Checks computer location settings

Drops startup file

Executes dropped EXE

Sets desktop wallpaper using registry

Enumerates physical storage devices

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Opens file in notepad (likely ransom note)

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Defacement
T1491
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-04 04:48

Signatures

Chaos Ransomware

Description Indicator Process Target
N/A N/A N/A N/A

Chaos family

chaos

Detects command variations typically used by ransomware

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-04 04:48

Reported

2024-05-04 04:51

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Detects command variations typically used by ransomware

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Reads user/profile data of web browsers

spyware stealer

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9u1pvbl6p.jpg" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2100 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2100 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 2520 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 2520 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 2520 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe"

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

"C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt

Network

N/A

Files

memory/2100-0-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp

memory/2100-1-0x0000000000CD0000-0x0000000000CEC000-memory.dmp

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

MD5 8f127c103c5c42664521a9be296a587a
SHA1 c6749246a83f5a63b9e1a4516e6810fc7ecd28e0
SHA256 cac286e52563a7892d233c1497496594fe50aa8fb4ad73a9def0eb8c351b742d
SHA512 ff895ef8a9fa1d7637fb4f7b3a31b8537f5c0238a38f1fc710650e38a12a6a769f303bf89a48cb82d0a60a9e31c32aed1bd568f18cf0c090c8d936d1b5dd5ff2

memory/2520-7-0x0000000000240000-0x000000000025C000-memory.dmp

memory/2520-12-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2520-20-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

C:\Users\Admin\AppData\Roaming\read_it.txt

MD5 df43b8b8d34e947ec116088fa465702a
SHA1 c145482bf4a7eff15f30617e93b1b4831be1fb30
SHA256 4c3808e41dae9349f472e6cbc8e41c17d12a7b6727cfca9bc941ff0d0b5b6982
SHA512 ac527673757e14ab47ae241e752163915cadbd43983aff56b5da6f38fd29b7940e2906c216f914b2bf541945ebaa0262271d8a927cf96d6bd075e00b936901dc

memory/2520-24-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2520-25-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 04:48

Reported

2024-05-04 04:51

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Detects command variations typically used by ransomware

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Reads user/profile data of web browsers

spyware stealer

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bpgxr9uk9.jpg" C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000_Classes\Local Settings C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Opens file in notepad (likely ransom note)

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\system32\NOTEPAD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4748 wrote to memory of 4224 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 4748 wrote to memory of 4224 N/A C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe C:\Users\Admin\AppData\Roaming\svchost.exe
PID 4224 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE
PID 4224 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Roaming\svchost.exe C:\Windows\system32\NOTEPAD.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-04_8f127c103c5c42664521a9be296a587a_destroyer_wannacry.exe"

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

"C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 49.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4748-0-0x00007FF825A13000-0x00007FF825A15000-memory.dmp

memory/4748-1-0x0000000000360000-0x000000000037C000-memory.dmp

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

MD5 8f127c103c5c42664521a9be296a587a
SHA1 c6749246a83f5a63b9e1a4516e6810fc7ecd28e0
SHA256 cac286e52563a7892d233c1497496594fe50aa8fb4ad73a9def0eb8c351b742d
SHA512 ff895ef8a9fa1d7637fb4f7b3a31b8537f5c0238a38f1fc710650e38a12a6a769f303bf89a48cb82d0a60a9e31c32aed1bd568f18cf0c090c8d936d1b5dd5ff2

memory/4224-14-0x00007FF825A10000-0x00007FF8264D1000-memory.dmp

C:\Users\Admin\AppData\Roaming\read_it.txt

MD5 df43b8b8d34e947ec116088fa465702a
SHA1 c145482bf4a7eff15f30617e93b1b4831be1fb30
SHA256 4c3808e41dae9349f472e6cbc8e41c17d12a7b6727cfca9bc941ff0d0b5b6982
SHA512 ac527673757e14ab47ae241e752163915cadbd43983aff56b5da6f38fd29b7940e2906c216f914b2bf541945ebaa0262271d8a927cf96d6bd075e00b936901dc

memory/4224-27-0x00007FF825A10000-0x00007FF8264D1000-memory.dmp