Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/10/2024, 04:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe
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Size
44KB
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MD5
5ba90e123af640236cce0457c9b040b4
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SHA1
1ecb694ab84a69a98f25026a6199daf8b1138b39
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SHA256
9cec74fb6146e7f01706bb4924ed0db5d2afce97b4047b86ca0075a6a9527c03
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SHA512
6973be5d6963feea02980a5a8a8e8446c3780328c342f96689976b1c05d620161612346eac255402e53ec7a1431f7f709000c15568aa01a5c1d565025baa3130
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrh:bCDOw9aMDooc+vAqj9
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2164 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 2908 2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2908 wrote to memory of 2164 2908 2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe 28 PID 2908 wrote to memory of 2164 2908 2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe 28 PID 2908 wrote to memory of 2164 2908 2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe 28 PID 2908 wrote to memory of 2164 2908 2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-06_5ba90e123af640236cce0457c9b040b4_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2164
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD512c541e1f8b4b963bfee382d6d66dfe7
SHA1c8f43869a69f54fa5bf5f51a2a4ca35d11b37837
SHA256e27d6a95f841ced7a0caaa2151cf1df079b5ab3f05706949ca820be2ebf83bf0
SHA5124dbf851bd97aecae6420166e6ea44f914cdb7007bb77789b701cf75da47f338364285de0575f6e4963cfdbf06540506099bf06b3015a8af353f3b7e8fafc9451