Analysis
-
max time kernel
150s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 11:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c07973e7b00ef06147cfdc3fe2bfc49a.exe
Resource
win7-20240221-en
windows7-x64
13 signatures
150 seconds
General
-
Target
c07973e7b00ef06147cfdc3fe2bfc49a.exe
-
Size
98KB
-
MD5
c07973e7b00ef06147cfdc3fe2bfc49a
-
SHA1
9eec67cc93ff4be0e2be9bdaaf400dc9f045afa2
-
SHA256
fd413f6171d383ca0bdf513aa0b79c8315c1e3784b7a61487976f71890b087cc
-
SHA512
cead10db676a31c5792c63ff50cc270346b673e8cc29ab29aab54c674e388f194016b17c4e039f81f2930321eb3f66184ed02aeb3b14e7024c7576d6d0c30153
-
SSDEEP
3072:OFykBd/sbm+l8+PpU+q06mnGGik8jwaaHw7Koj4rD8Vm5:Opz/lyU+qrCoU
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\yctjqnfi\\hflvenoy.exe" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hflvenoy.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hflvenoy.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2644 ynjqgpqfbwytfuxt.exe -
Loads dropped DLL 5 IoCs
pid Process 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\HflVenoy = "C:\\Users\\Admin\\AppData\\Local\\yctjqnfi\\hflvenoy.exe" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe 1740 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 468 Process not Found -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe Token: SeDebugPrivilege 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe Token: SeSecurityPrivilege 2936 svchost.exe Token: SeSecurityPrivilege 1740 svchost.exe Token: SeDebugPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeSecurityPrivilege 2644 ynjqgpqfbwytfuxt.exe Token: SeLoadDriverPrivilege 2644 ynjqgpqfbwytfuxt.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe Token: SeBackupPrivilege 1740 svchost.exe Token: SeRestorePrivilege 1740 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 2936 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 28 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 1740 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 29 PID 2180 wrote to memory of 2644 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 30 PID 2180 wrote to memory of 2644 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 30 PID 2180 wrote to memory of 2644 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 30 PID 2180 wrote to memory of 2644 2180 c07973e7b00ef06147cfdc3fe2bfc49a.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\c07973e7b00ef06147cfdc3fe2bfc49a.exe"C:\Users\Admin\AppData\Local\Temp\c07973e7b00ef06147cfdc3fe2bfc49a.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2936
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
-
-
C:\Users\Admin\AppData\Local\Temp\ynjqgpqfbwytfuxt.exe"C:\Users\Admin\AppData\Local\Temp\ynjqgpqfbwytfuxt.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2644
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
98KB
MD5c07973e7b00ef06147cfdc3fe2bfc49a
SHA19eec67cc93ff4be0e2be9bdaaf400dc9f045afa2
SHA256fd413f6171d383ca0bdf513aa0b79c8315c1e3784b7a61487976f71890b087cc
SHA512cead10db676a31c5792c63ff50cc270346b673e8cc29ab29aab54c674e388f194016b17c4e039f81f2930321eb3f66184ed02aeb3b14e7024c7576d6d0c30153