Analysis
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max time kernel
149s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 15:20
Static task
static1
Behavioral task
behavioral1
Sample
21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe
Resource
win10v2004-20220812-en
General
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Target
21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe
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Size
935KB
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MD5
7430d7b8004b8e92ca1ac07d35c0bb56
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SHA1
cee925b2f21376c0ac7c3d86609d03290d3f7f32
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SHA256
21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa
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SHA512
de4533ad76b9e7ce099acbdcb024242bb5abbad78a794ad91807f880ce3f33ddd48602576def201e4f46df978bb9f156a1e81fe124fc3097128fe6aede9c34dc
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SSDEEP
12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4h:pyHv5Z+Wzv7AiBll0OBWi6si9Gw
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4892-133-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4892-135-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4892-136-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4892-137-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4892-138-0x0000000000400000-0x00000000004F2000-memory.dmp upx -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4804 set thread context of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4892 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 4892 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 4892 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 4892 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 4892 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 4892 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81 PID 4804 wrote to memory of 4892 4804 21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe"C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe"C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe" Track="0001001000"2⤵
- Suspicious use of SetWindowsHookEx
PID:4892
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