Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
25/01/2024, 16:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
74f00c1ea7106568b0534c4026ebfcea.exe
Resource
win7-20231215-en
6 signatures
150 seconds
General
- Target 74f00c1ea7106568b0534c4026ebfcea.exe
- Size 919KB
- Sample240125-tmekbaadb4
- SHA256 acef1b5caa40f98c38929cb8aeba895455ab7dd3e6c5522776128c29ecaf991a
- MD5 74f00c1ea7106568b0534c4026ebfcea
- SHA1 e248f79068f8bd37e302199a201f1919d69a69d8
- SHA512 f643fb2295d0c8d6df78aa9d92cf30fa5d4360d3ee3a54e3baa0bf2b1c328533d221e219d99fd35cebfef2f9f1178f068b64331764a1d46ce6a914b5dd967882
- SSDEEP 24576:O2chXEgYJoRNNTQQ1ldiVTzqiCZ+8Pg5Bh:O2c4onl5epzqiCRPg5Bh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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 74f00c1ea7106568b0534c4026ebfcea.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 74f00c1ea7106568b0534c4026ebfcea.exe -
resource yara_rule behavioral2/memory/4396-2-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-4-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-5-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-6-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-7-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-8-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-9-0x0000000000400000-0x00000000004F2000-memory.dmp upx behavioral2/memory/4396-10-0x0000000000400000-0x00000000004F2000-memory.dmp upx - 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 74f00c1ea7106568b0534c4026ebfcea.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 74f00c1ea7106568b0534c4026ebfcea.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3124 set thread context of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 - Program crash 2 IoCs
pid pid_target Process procid_target 3968 4396 WerFault.exe 89 916 4396 WerFault.exe 89 - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4396 74f00c1ea7106568b0534c4026ebfcea.exe 4396 74f00c1ea7106568b0534c4026ebfcea.exe 4396 74f00c1ea7106568b0534c4026ebfcea.exe 4396 74f00c1ea7106568b0534c4026ebfcea.exe 4396 74f00c1ea7106568b0534c4026ebfcea.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89 PID 3124 wrote to memory of 4396 3124 74f00c1ea7106568b0534c4026ebfcea.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\74f00c1ea7106568b0534c4026ebfcea.exe"C:\Users\Admin\AppData\Local\Temp\74f00c1ea7106568b0534c4026ebfcea.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\74f00c1ea7106568b0534c4026ebfcea.exe"C:\Users\Admin\AppData\Local\Temp\74f00c1ea7106568b0534c4026ebfcea.exe" Track="0001001000"2⤵
- Suspicious use of SetWindowsHookEx
PID:4396 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 20203⤵
- Program crash
PID:3968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 20683⤵
- Program crash
PID:916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4396 -ip 43961⤵PID:4804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4396 -ip 43961⤵PID:3944