Analysis
- max time kernel
156s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/05/2022, 13:58
Static task
static1
Behavioral task
behavioral1
Sample
f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
- Target f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe
- Size 215KB
- Sample220520-rach3sfca4
- SHA256 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066
- MD5 ab97f71125a89d4d3d0855b8a419d3e1
- SHA1 2442d4a7cfbe7fd22708034c853faf9aa4337907
- SHA512 5abcab63f953a04d4c4a0eeb38f1716003fdecd2a8b465687e39f5bd492efe587bff06fedcc0724246f59a0b1e799765a6e49169b17728960c2cb066236f6038
- MD5 SHA1 SHA512
Malware Config
Signatures
- Phorphiex Payload 2 IoCs
resource yara_rule behavioral2/memory/4828-131-0x0000000000550000-0x000000000055A000-memory.dmp family_phorphiex behavioral2/memory/4448-136-0x0000000000630000-0x000000000063A000-memory.dmp family_phorphiex - suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
- Executes dropped EXE 1 IoCs
pid Process 4448 sysomrv.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sysomrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysomrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysomrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1" sysomrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysomrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysomrv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysomrv.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\30108913\\sysomrv.exe" f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\30108913\\sysomrv.exe" f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\30108913\sysomrv.exe f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe File opened for modification C:\Windows\30108913\sysomrv.exe f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe File opened for modification C:\Windows\30108913 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe - Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe 4448 sysomrv.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe Token: SeDebugPrivilege 4448 sysomrv.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4828 wrote to memory of 4448 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 85 PID 4828 wrote to memory of 4448 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 85 PID 4828 wrote to memory of 4448 4828 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe"C:\Users\Admin\AppData\Local\Temp\f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\30108913\sysomrv.exeC:\Windows\30108913\sysomrv.exe2⤵
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448
-
Network
MITRE ATT&CK Enterprise v6
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Downloads
- Path C:\Windows\30108913\sysomrv.exe
- Size 215KB
- SHA256 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066
- MD5 ab97f71125a89d4d3d0855b8a419d3e1
- SHA1 2442d4a7cfbe7fd22708034c853faf9aa4337907
- SHA512 5abcab63f953a04d4c4a0eeb38f1716003fdecd2a8b465687e39f5bd492efe587bff06fedcc0724246f59a0b1e799765a6e49169b17728960c2cb066236f6038
- SSDEEP 3072:krVZV7IFJc/+mKda7FpoXaoxRypPzB1DuFYJPrbLxYpj5S3BugoIvc/:krNEFJndso2vD3RrbLxYpj5gRy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\30108913\sysomrv.exe
- Size 215KB
- SHA256 f4909c420e208e4728116e8b0f4254c9f741d864f9618cddbe3f51b71f602066
- MD5 ab97f71125a89d4d3d0855b8a419d3e1
- SHA1 2442d4a7cfbe7fd22708034c853faf9aa4337907
- SHA512 5abcab63f953a04d4c4a0eeb38f1716003fdecd2a8b465687e39f5bd492efe587bff06fedcc0724246f59a0b1e799765a6e49169b17728960c2cb066236f6038
- SSDEEP 3072:krVZV7IFJc/+mKda7FpoXaoxRypPzB1DuFYJPrbLxYpj5S3BugoIvc/:krNEFJndso2vD3RrbLxYpj5gRy
- MD5 SHA1 SHA512 SSDEEP