Analysis
-
max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2022 18:45
Static task
static1
Behavioral task
behavioral1
Sample
5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe
Resource
win7-20220718-en
General
-
Target
5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe
-
Size
723KB
-
MD5
e9e6541b43dcab620ddd1f9e4103e941
-
SHA1
cadbddde45f268fca1b6523d21d7e07c85e225ab
-
SHA256
5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57
-
SHA512
c9b9bfcc86c87246774ae6c84a34e3c5b9ba885827c06de186d883dfd94433a5c9fa2c6c97396d30d94bb3298e322a80ad18468cb95480a093b6abe6379ab93d
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4512 svhost.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe File opened for modification C:\Windows\assembly\Desktop.ini 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1472 set thread context of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe File created C:\Windows\assembly\Desktop.ini 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe File opened for modification C:\Windows\assembly\Desktop.ini 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\clearlink\clearlink.exe:Zone.Identifier cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4512 svhost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe Token: 33 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe Token: SeIncBasePriorityPrivilege 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe Token: SeDebugPrivilege 4512 svhost.exe Token: 33 4512 svhost.exe Token: SeIncBasePriorityPrivilege 4512 svhost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4512 svhost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1472 wrote to memory of 2332 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 84 PID 1472 wrote to memory of 2332 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 84 PID 1472 wrote to memory of 2332 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 84 PID 2332 wrote to memory of 4448 2332 cmd.exe 86 PID 2332 wrote to memory of 4448 2332 cmd.exe 86 PID 2332 wrote to memory of 4448 2332 cmd.exe 86 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87 PID 1472 wrote to memory of 4512 1472 5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe"C:\Users\Admin\AppData\Local\Temp\5ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57.exe"1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\clearlink\clearlink.exe.lnk" /f3⤵PID:4448
-
-
-
C:\Users\Admin\AppData\Local\Temp\svhost.exe"C:\Users\Admin\AppData\Local\Temp\svhost.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4512
-
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3876
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
89KB
MD584c42d0f2c1ae761bef884638bc1eacd
SHA14353881e7f4e9c7610f4e0489183b55bb58bb574
SHA256331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
SHA51243c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87
-
Filesize
89KB
MD584c42d0f2c1ae761bef884638bc1eacd
SHA14353881e7f4e9c7610f4e0489183b55bb58bb574
SHA256331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
SHA51243c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87
-
Filesize
723KB
MD5e9e6541b43dcab620ddd1f9e4103e941
SHA1cadbddde45f268fca1b6523d21d7e07c85e225ab
SHA2565ef049d767e1e38d1ff7dc339b8f962d880ab684396aac8e5e7797a2b6939c57
SHA512c9b9bfcc86c87246774ae6c84a34e3c5b9ba885827c06de186d883dfd94433a5c9fa2c6c97396d30d94bb3298e322a80ad18468cb95480a093b6abe6379ab93d