66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d

Reason

Remote task has failed: Machine shutdown

General

Target

66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
Size

96KB
MD5

5b17b33e215846830ad09ec3d71287a1
SHA1

f4442ff97904eea16df41b24897df7b363d89bb8
SHA256

66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d
SHA512

aab7c6b777f23fb4a5412af4b4b25bb45421b2f1bea3aece16d22597dd09743d35d9627484c668d359df6147f2b75bb8fd6e35317e16197ef3cb7940dfcda6f8

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1824-61-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/1824-69-0x0000000000400000-0x0000000000411000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

524 cmd.exe

pid	process
524	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\226524335 = "C:\\Users\\Admin\\226524335.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe

description	pid	process	target process
PID 2044 set thread context of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exeshutdown.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
Token: SeShutdownPrivilege	800	shutdown.exe
Token: SeRemoteShutdownPrivilege	800	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe

pid process

2044 66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe

pid	process
2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.execmd.exe

description	pid	process	target process
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 2044 wrote to memory of 1824	2044	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
PID 1824 wrote to memory of 1776	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1824 wrote to memory of 1776	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1824 wrote to memory of 1776	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1824 wrote to memory of 1776	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1776 wrote to memory of 752	1776	cmd.exe	reg.exe
PID 1776 wrote to memory of 752	1776	cmd.exe	reg.exe
PID 1776 wrote to memory of 752	1776	cmd.exe	reg.exe
PID 1776 wrote to memory of 752	1776	cmd.exe	reg.exe
PID 1824 wrote to memory of 800	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	shutdown.exe
PID 1824 wrote to memory of 800	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	shutdown.exe
PID 1824 wrote to memory of 800	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	shutdown.exe
PID 1824 wrote to memory of 800	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	shutdown.exe
PID 1824 wrote to memory of 524	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1824 wrote to memory of 524	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1824 wrote to memory of 524	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe
PID 1824 wrote to memory of 524	1824	66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
"C:\Users\Admin\AppData\Local\Temp\66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe
"C:\Users\Admin\AppData\Local\Temp\66b096816cb209f540e2974988c0d7b82487c3e52041a2d44cbe160c30dbde4d.sample.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 226524335 /t REG_SZ /d "%userprofile%\226524335.exe" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 226524335 /t REG_SZ /d "C:\Users\Admin\226524335.exe" /f
4⤵
- Adds Run key to start application
PID:752

C:\Windows\SysWOW64\shutdown.exe
"C:\Windows\System32\shutdown.exe" /r /f /t 3
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\66B096~1.EXE > nul
3⤵
- Deletes itself
PID:524

C:\Windows\system32\wlrmdr.exe
-s -1 -f 2 -t You are about to be logged off -m Windows will shut down in less than a minute. -a 3
1⤵
PID:640

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:400

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1644

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/400-72-0x00000000028C0000-0x00000000028C1000-memory.dmp

Filesize
4KB

Download
memory/524-67-0x0000000000000000-mapping.dmp

Download
memory/640-68-0x000007FEFC141000-0x000007FEFC143000-memory.dmp

Filesize
8KB

Download
memory/640-70-0x0000000001B00000-0x0000000001B01000-memory.dmp

Filesize
4KB

Download
memory/752-65-0x0000000000000000-mapping.dmp

Download
memory/800-66-0x0000000000000000-mapping.dmp

Download
memory/1644-74-0x0000000002760000-0x0000000002761000-memory.dmp

Filesize
4KB

Download
memory/1776-64-0x0000000000000000-mapping.dmp

Download
memory/1824-61-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1824-62-0x000000000040F150-mapping.dmp

Download
memory/1824-63-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/1824-69-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads