Analysis
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max time kernel
141s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
05/11/2024, 23:06
Static task
static1
Behavioral task
behavioral1
Sample
635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
Resource
win10v2004-20241007-en
General
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Target
635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
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Size
4.9MB
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MD5
943fb6fb430fbac169b4ce55189206ad
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SHA1
c7050a4a1102c4abe5453e0b7c3080e2875fab28
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SHA256
635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221
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SHA512
bc45a6758dcc470678cf6a3ff3cd989d473866fb991e85309c995b7b79b75ec6ac8333673f3b5a3aad820c3119337eef34f9569a6204c7c8cb558c9c7b05a61a
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SSDEEP
49152:9g/xFnOvtaWIDn0a2qnqYQVMkL+q/vSWidGHp+NDGQUzbpDOfjxAkrQKl+RPAFIA:IaklJKvS0Hpe4zbpaAKQkroGIC
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1224 sysx32.exe 2408 _635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe -
Loads dropped DLL 3 IoCs
pid Process 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: sysx32.exe File opened (read-only) \??\B: sysx32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\sysx32.exe 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe File created C:\Windows\SysWOW64\sysx32.exe 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe File opened for modification C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2448 wrote to memory of 1224 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 30 PID 2448 wrote to memory of 1224 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 30 PID 2448 wrote to memory of 1224 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 30 PID 2448 wrote to memory of 1224 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 30 PID 2448 wrote to memory of 2408 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 31 PID 2448 wrote to memory of 2408 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 31 PID 2448 wrote to memory of 2408 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 31 PID 2448 wrote to memory of 2408 2448 635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe"C:\Users\Admin\AppData\Local\Temp\635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\sysx32.exeC:\Windows\system32\sysx32.exe /scan2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:1224
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C:\Users\Admin\AppData\Local\Temp\_635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exeC:\Users\Admin\AppData\Local\Temp\_635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe2⤵
- Executes dropped EXE
PID:2408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\_635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
Filesize4.9MB
MD5757b6abbbee579077b100778e2e3032c
SHA190ab4e4560b35479460becfd77be01cc5412bf06
SHA2569956fe3448870d4f9735fcd20905cc199449b674999497e0fe21615e88b63707
SHA512cdff71639d6097eee9f8d243a1e5db967f32ba67f7de47f09d2906e23f9caa60d7f9a122447b75e307e44793b8d066bc70e4de5545bd84d134e2702ae00a46f6
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Filesize
4.9MB
MD5943fb6fb430fbac169b4ce55189206ad
SHA1c7050a4a1102c4abe5453e0b7c3080e2875fab28
SHA256635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221
SHA512bc45a6758dcc470678cf6a3ff3cd989d473866fb991e85309c995b7b79b75ec6ac8333673f3b5a3aad820c3119337eef34f9569a6204c7c8cb558c9c7b05a61a