Analysis
-
max time kernel
139s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
01/01/2024, 20:43
Static task
static1
Behavioral task
behavioral1
Sample
ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe
Resource
win10v2004-20231215-en
General
-
Target
ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe
-
Size
7.9MB
-
MD5
5af0342976d2bbd19330fd12f61c0758
-
SHA1
bf824aa16816370872b6d2cb5d07a81952bdabb0
-
SHA256
ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb
-
SHA512
fa7a562b901976b7033af884e326264694112208bd75ce835a26005463c87c1810bbafcd7e6357b86664d6d4a4adfe257a3cdeda2bc9d208db9ba026e0561794
-
SSDEEP
196608:UlkgcuYU17u60LKyrIPZtlMwJjtxTE3t3G1tSPhYAU43vCra:JRurZ6+ZtuwJj7w3G1Q5YAJvC2
Malware Config
Signatures
-
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4004 created 612 4004 uS56.exe 3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ uS56.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ uS56.exe -
Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\system32\drivers\Cs7u_NJJ.sys uS56.exe File created C:\Windows\system32\drivers\Cs7u_NJ.sys uS56.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\RTCore64\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\RTCore64.sys" uS56.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion uS56.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion uS56.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion uS56.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion uS56.exe -
Executes dropped EXE 2 IoCs
pid Process 4004 uS56.exe 3324 uS56.exe -
resource yara_rule behavioral2/files/0x000c000000023200-2.dat themida behavioral2/memory/4004-5-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-6-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-7-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-8-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-9-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-10-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-11-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-14-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/4004-12-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-17-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-18-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-19-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-20-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-21-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-22-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-23-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-24-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida behavioral2/memory/3324-34-0x00007FF6B29D0000-0x00007FF6B40BA000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA uS56.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA uS56.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4004 uS56.exe 3324 uS56.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\QE_file\uS56.exe ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4004 uS56.exe 4004 uS56.exe -
Suspicious behavior: LoadsDriver 3 IoCs
pid Process 652 Process not Found 3324 uS56.exe 652 Process not Found -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4004 uS56.exe Token: SeSystemEnvironmentPrivilege 3324 uS56.exe Token: SeDebugPrivilege 3324 uS56.exe Token: SeLoadDriverPrivilege 3324 uS56.exe Token: SeSystemEnvironmentPrivilege 3324 uS56.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4004 uS56.exe 3324 uS56.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2580 wrote to memory of 4004 2580 ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe 92 PID 2580 wrote to memory of 4004 2580 ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe 92 PID 4004 wrote to memory of 3324 4004 uS56.exe 93 PID 4004 wrote to memory of 3324 4004 uS56.exe 93
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
-
C:\Program Files\QE_file\uS56.exe"C:\Program Files\QE_file\uS56.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Drops file in Drivers directory
- Sets service image path in registry
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3324
-
-
C:\Users\Admin\AppData\Local\Temp\ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe"C:\Users\Admin\AppData\Local\Temp\ad2c763e60c8cdd3879e0f3738d613b02815737b513c431ad96eece301fb3adb.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Program Files\QE_file\uS56.exe"C:\Program Files\QE_file\uS56.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4004
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
704KB
MD594a801e4cdeb2a9579001f60240c73dc
SHA13eb79d201fe96b4d3cb0f747ba586d9ff5c53754
SHA256589856607ade9a6382cf9e0d75ec0592d3518822fffd3c2dcddfff669c12682a
SHA512745560e5d10581c16d32f0806eb7b2dc53e2dc2c5f97eaacfe9459c1a75cc334792e1f1296433663f0cb2779b4bee126c32cd1d963a86103e34dba236d2614b0