Analysis
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max time kernel
152s -
max time network
163s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
13-10-2023 20:44
Static task
static1
Behavioral task
behavioral1
Sample
2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe
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Size
27KB
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MD5
e373e62bfd5532ed18a990ecfa4068e5
-
SHA1
b8a93129b1b8112b645b4e6029b4a9f5a3f60e71
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SHA256
7c3664cdc87da600c109ce9054553b843bd475a5d013215ad366c5126fe8daa5
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SHA512
1e5d2231fbdf63b1b311406a5f23eb56df1281e9519bf60f538726ce1eb10113f4ec5859fa5c69926926261ff6fa5f0ec9c10e97ab7688b96a466ab1b1b0ef09
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SSDEEP
384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUqI:bA74zYcgT/Ekd0ryfjG
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2356 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 1952 2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1952 wrote to memory of 2356 1952 2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe 28 PID 1952 wrote to memory of 2356 1952 2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe 28 PID 1952 wrote to memory of 2356 1952 2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe 28 PID 1952 wrote to memory of 2356 1952 2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:2356
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
27KB
MD5333b3985214a4667d9038a9c3a1d2b6a
SHA164977214190d630fbde55625e7b048c44c3a283d
SHA25601b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a
SHA512e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66
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Filesize
27KB
MD5333b3985214a4667d9038a9c3a1d2b6a
SHA164977214190d630fbde55625e7b048c44c3a283d
SHA25601b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a
SHA512e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66
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Filesize
27KB
MD5333b3985214a4667d9038a9c3a1d2b6a
SHA164977214190d630fbde55625e7b048c44c3a283d
SHA25601b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a
SHA512e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66