chaos | d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b

General

Target

Chaos Ransomware.exe
Size

23KB
MD5

98274f8ae42ac490c3441b3b14459356
SHA1

59a80c57499b6eb5de31fcbf582eeeb1c3b20e9d
SHA256

d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b
SHA512

d436397c25a6147a791a78724cbd41d7eede4736f292760a4c7d1785b05b32953b469deec87712d8e447dda362820353393c7fc29a6e74d15c25a8233a9d9cfd

Score

10^/10

chaos ransomware

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1956 svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1748 1956 WerFault.exe svchost.exe

pid	process
1956	svchost.exe

pid	pid_target	process	target process
1748	1956	WerFault.exe	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Chaos Ransomware.exesvchost.exeWerFault.exe

pid	process
1664	Chaos Ransomware.exe
1664	Chaos Ransomware.exe
1956	svchost.exe
1956	svchost.exe
1748	WerFault.exe
1748	WerFault.exe
1748	WerFault.exe
1748	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1748 WerFault.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Chaos Ransomware.exesvchost.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1664 Chaos Ransomware.exe
Token: SeDebugPrivilege 1956 svchost.exe
Token: SeDebugPrivilege 1748 WerFault.exe

pid	process
1748	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1664	Chaos Ransomware.exe
Token: SeDebugPrivilege	1956	svchost.exe
Token: SeDebugPrivilege	1748	WerFault.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Chaos Ransomware.exesvchost.exe

description	pid	process	target process
PID 1664 wrote to memory of 1956	1664	Chaos Ransomware.exe	svchost.exe
PID 1664 wrote to memory of 1956	1664	Chaos Ransomware.exe	svchost.exe
PID 1664 wrote to memory of 1956	1664	Chaos Ransomware.exe	svchost.exe
PID 1956 wrote to memory of 1748	1956	svchost.exe	WerFault.exe
PID 1956 wrote to memory of 1748	1956	svchost.exe	WerFault.exe
PID 1956 wrote to memory of 1748	1956	svchost.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware.exe
"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1956 -s 564
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1748

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe
MD5
98274f8ae42ac490c3441b3b14459356

SHA1
59a80c57499b6eb5de31fcbf582eeeb1c3b20e9d

SHA256
d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b

SHA512
d436397c25a6147a791a78724cbd41d7eede4736f292760a4c7d1785b05b32953b469deec87712d8e447dda362820353393c7fc29a6e74d15c25a8233a9d9cfd

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
MD5
98274f8ae42ac490c3441b3b14459356

SHA1
59a80c57499b6eb5de31fcbf582eeeb1c3b20e9d

SHA256
d09b875ead838ec256b863b5e8e252d5bca9172b5479b00699ff31b4d745c92b

SHA512
d436397c25a6147a791a78724cbd41d7eede4736f292760a4c7d1785b05b32953b469deec87712d8e447dda362820353393c7fc29a6e74d15c25a8233a9d9cfd

Download Submit
memory/1664-59-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/1748-66-0x0000000000000000-mapping.dmp

Download
memory/1748-67-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp

Filesize
8KB

Download
memory/1748-68-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/1956-61-0x0000000000000000-mapping.dmp

Download
memory/1956-64-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads