Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
06/11/2024, 00:28
Static task
static1
Behavioral task
behavioral1
Sample
f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe
Resource
win10v2004-20241007-en
General
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Target
f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe
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Size
2.1MB
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MD5
41c0ab9cd38d0717867d9383f0135210
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SHA1
e72eda7cd437bdf5917f6d159b85a67b103486fe
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SHA256
f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ce
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SHA512
3d885d406de1fb84ed2c78c226909cc76b6aa073c9449dabb1a95b89a9b37d6ed0a6ff39495befa5f81462f01b113ca911c38c96d9c10c025a9a2b832e49afc8
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SSDEEP
49152:9mHMJuQ9mhkjgMj7SwYfy3V8VD01yPiI4cCd2ilpXHJT8mpaZQ6pFNuY1SNl9X6M:M1K9X5Iddq41Lxry
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2652 sysx32.exe 1912 _f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe -
Loads dropped DLL 2 IoCs
pid Process 2604 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe 2604 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.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" f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.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 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe File created C:\Windows\SysWOW64\sysx32.exe f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.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 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2604 wrote to memory of 2652 2604 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe 30 PID 2604 wrote to memory of 2652 2604 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe 30 PID 2604 wrote to memory of 2652 2604 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe 30 PID 2604 wrote to memory of 2652 2604 f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe"C:\Users\Admin\AppData\Local\Temp\f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.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:2604 -
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:2652
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C:\Users\Admin\AppData\Local\Temp\_f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exeC:\Users\Admin\AppData\Local\Temp\_f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe2⤵
- Executes dropped EXE
PID:1912
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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\_f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ceN.exe
Filesize2.0MB
MD53aeb5f7fff1dcede788e3c9033b7f5df
SHA192ddd70accaa8d6bc37ba5b765fda5953ddacefa
SHA25698dfc370715199ffa12307e6ea2bd1abdada4393ffe78b031c17df63bc781c37
SHA512b40e7dded52de68c80513793e85759449d0e4dd82d2c28b07004b006bc504f974469a27510166d9df84f697ceffe45768ca1a9365a49e29c46228a13545b15f9
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Filesize
2.1MB
MD541c0ab9cd38d0717867d9383f0135210
SHA1e72eda7cd437bdf5917f6d159b85a67b103486fe
SHA256f7694e6f87d6422546fe1dfb6a6d55f5346bf9c8c930a588667cfb1c5c5703ce
SHA5123d885d406de1fb84ed2c78c226909cc76b6aa073c9449dabb1a95b89a9b37d6ed0a6ff39495befa5f81462f01b113ca911c38c96d9c10c025a9a2b832e49afc8