Analysis
- max time kernel
53s - max time network
57s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/11/2022, 22:04
Static task
static1
Behavioral task
behavioral1
Sample
aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
General
- Target aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe
- Size 294KB
- Sample221108-1y36daahc8
- SHA256 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a
- MD5 0ba23a538f264fd711652eeb6f3d4960
- SHA1 d20f427995a2dae8601899305f830d9d44b5ff12
- SHA512 4f11c4b28b181aecd1e73fccd900c47e081dd13c4ebe1e0095ffd7dc2af2b3f0dad9174a42a1bb37cb515d63327ca571254779ffad1152b148062f83665813a0
- SSDEEP 6144:D5BGy4hdOWuRaus1FPobwTFBgHjyCsqihbpL50Uj+oN+1lgk+5ughctl:PGy4GlveFPoM4aBEUCoU1CkHyI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe File opened for modification C:\Windows\assembly\Desktop.ini aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\assembly aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe File created C:\Windows\assembly\Desktop.ini aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe File opened for modification C:\Windows\assembly\Desktop.ini aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe Token: SeDebugPrivilege 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe Token: SeRestorePrivilege 4476 dw20.exe Token: SeBackupPrivilege 4476 dw20.exe Token: SeBackupPrivilege 4476 dw20.exe Token: SeBackupPrivilege 4476 dw20.exe Token: SeBackupPrivilege 4476 dw20.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2640 wrote to memory of 4476 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 79 PID 2640 wrote to memory of 4476 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 79 PID 2640 wrote to memory of 4476 2640 aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe"C:\Users\Admin\AppData\Local\Temp\aefa2a4a834ce6ec232f58c2f0c99b0d1c8b137efec6d4e265755cb88159cd8a.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 17402⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4476
-