Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
27/09/2024, 06:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe
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Size
47KB
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MD5
bac6c9f7aa5830b100f9db8475da15ef
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SHA1
19543e7a9e41175b4a2b7dfa19adadd8a5289a5b
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SHA256
ade47fe6cb836ddef41229996dea6810000bcdd57035afa3a2867883e99ad98e
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SHA512
a415d2d47fbaac9f3e16782c9ad742183f63a187ec8daa77d4c6f180a3e5e462a97bc1062035a0dd6b2f08396b2ec04f019490e8d50fb55d741f39209d1f6abf
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXY:V6QFElP6n+gMQMOtEvwDpjyaHaXrY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2940 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2028 2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2940 2028 2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe 30 PID 2028 wrote to memory of 2940 2028 2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe 30 PID 2028 wrote to memory of 2940 2028 2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe 30 PID 2028 wrote to memory of 2940 2028 2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-27_bac6c9f7aa5830b100f9db8475da15ef_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5fdf6fb62ffeb74e1970155bc0e63923d
SHA1329720196ed57cad536340b872f66839f0ba2ac1
SHA256842f86236dbca5e2fa203963468408dadfcac5dda3f0954421e27b40a737c3ab
SHA5128239d5e597033a3c9f2e3fd6186eefac4a2c74bec6ee20450c1756da27b6ace293551c5f74e0409a7f12c01772e5fc6e95f28f50afc4af25d061efcb731116f7