Analysis
-
max time kernel
165s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 21:55
Static task
static1
Behavioral task
behavioral1
Sample
dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe
Resource
win10v2004-20230915-en
General
-
Target
dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe
-
Size
199KB
-
MD5
8450c4e5c4ee9f5a112be4b76c08c3a9
-
SHA1
38422652e9a069b3802fb90ff49c868950e6c388
-
SHA256
dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4
-
SHA512
61125de2859e165d4e6b699d984797311094c8f64d35ba6263e157ab6a93b02968c359dc06078890d63803bce1780cfa551f48d6e763e683ec347b5a952e79e5
-
SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOd:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXI
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe -
Executes dropped EXE 1 IoCs
pid Process 3376 jmahost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\jmahost.exe dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe File opened for modification C:\Windows\Debug\jmahost.exe dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 jmahost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz jmahost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4816 dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4816 wrote to memory of 3816 4816 dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe 85 PID 4816 wrote to memory of 3816 4816 dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe 85 PID 4816 wrote to memory of 3816 4816 dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe"C:\Users\Admin\AppData\Local\Temp\dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DBF0E3~1.EXE > nul2⤵PID:3816
-
-
C:\Windows\Debug\jmahost.exeC:\Windows\Debug\jmahost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3376
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
199KB
MD54e38841934b0f6c584cd27a482023082
SHA1210578ab7bff288ec53f1bf8f890f32b405cdc26
SHA256e5a1d117bb4c5c77a9668504f8b1ffc37427608fd86fbb0ed4c9e4d27aa976ba
SHA51271c889a287c2109da5acd7153acce8c2ee15fb1dc12897a16ec718640bfd67448dcdfa1cd005e651cd820656263bd3749a8cf989562ffb8f501aad852b4585e2
-
Filesize
199KB
MD54e38841934b0f6c584cd27a482023082
SHA1210578ab7bff288ec53f1bf8f890f32b405cdc26
SHA256e5a1d117bb4c5c77a9668504f8b1ffc37427608fd86fbb0ed4c9e4d27aa976ba
SHA51271c889a287c2109da5acd7153acce8c2ee15fb1dc12897a16ec718640bfd67448dcdfa1cd005e651cd820656263bd3749a8cf989562ffb8f501aad852b4585e2