Analysis
-
max time kernel
4294211s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20220311-en -
submitted
08-04-2022 09:49
Static task
static1
Behavioral task
behavioral1
Sample
403e44e8e3b64ccc3a4ffdbccc4aa054.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
403e44e8e3b64ccc3a4ffdbccc4aa054.exe
Resource
win10v2004-20220331-en
General
-
Target
403e44e8e3b64ccc3a4ffdbccc4aa054.exe
-
Size
76KB
-
MD5
403e44e8e3b64ccc3a4ffdbccc4aa054
-
SHA1
ac4e9497417c4b8fe3d8b84a9545f348c710ac11
-
SHA256
c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d
-
SHA512
cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 524 svchost.exe -
Modifies Windows Firewall 1 TTPs
-
Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\83ff172068c64d1448b0bfb51078c296.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\83ff172068c64d1448b0bfb51078c296.exe svchost.exe -
Loads dropped DLL 2 IoCs
Processes:
403e44e8e3b64ccc3a4ffdbccc4aa054.exepid process 1752 403e44e8e3b64ccc3a4ffdbccc4aa054.exe 1752 403e44e8e3b64ccc3a4ffdbccc4aa054.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\83ff172068c64d1448b0bfb51078c296 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\83ff172068c64d1448b0bfb51078c296 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
svchost.exedescription pid process Token: SeDebugPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe Token: 33 524 svchost.exe Token: SeIncBasePriorityPrivilege 524 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
403e44e8e3b64ccc3a4ffdbccc4aa054.exesvchost.exedescription pid process target process PID 1752 wrote to memory of 524 1752 403e44e8e3b64ccc3a4ffdbccc4aa054.exe svchost.exe PID 1752 wrote to memory of 524 1752 403e44e8e3b64ccc3a4ffdbccc4aa054.exe svchost.exe PID 1752 wrote to memory of 524 1752 403e44e8e3b64ccc3a4ffdbccc4aa054.exe svchost.exe PID 1752 wrote to memory of 524 1752 403e44e8e3b64ccc3a4ffdbccc4aa054.exe svchost.exe PID 524 wrote to memory of 1572 524 svchost.exe netsh.exe PID 524 wrote to memory of 1572 524 svchost.exe netsh.exe PID 524 wrote to memory of 1572 524 svchost.exe netsh.exe PID 524 wrote to memory of 1572 524 svchost.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\403e44e8e3b64ccc3a4ffdbccc4aa054.exe"C:\Users\Admin\AppData\Local\Temp\403e44e8e3b64ccc3a4ffdbccc4aa054.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE3⤵PID:1572
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
76KB
MD5403e44e8e3b64ccc3a4ffdbccc4aa054
SHA1ac4e9497417c4b8fe3d8b84a9545f348c710ac11
SHA256c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d
SHA512cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182
-
Filesize
76KB
MD5403e44e8e3b64ccc3a4ffdbccc4aa054
SHA1ac4e9497417c4b8fe3d8b84a9545f348c710ac11
SHA256c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d
SHA512cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182
-
Filesize
76KB
MD5403e44e8e3b64ccc3a4ffdbccc4aa054
SHA1ac4e9497417c4b8fe3d8b84a9545f348c710ac11
SHA256c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d
SHA512cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182
-
Filesize
76KB
MD5403e44e8e3b64ccc3a4ffdbccc4aa054
SHA1ac4e9497417c4b8fe3d8b84a9545f348c710ac11
SHA256c9c0437a95c733d790a7b5e2b21065337ff4c840bfeaafe372c0aefec3ee852d
SHA512cd406c8e8796df749fb21281b1d069fc7102a283b3edb498989246da6d5f5087bbd8e5f1ba5b6907e8c0c0ef1448d6ae6636ccab87e7bf81d8e96926c56ec182