Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14-06-2024 08:02
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe
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Size
43KB
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MD5
600a09157a28bc827854f1af8595ecc4
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SHA1
5e4e97381161d27eabfb13c8b60153d0b5d62005
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SHA256
633e5012553c9ef80a7c1d622881662b36b54e87f68ba89ead0a63d5dcf6fdce
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SHA512
d3e2ffa366a5f8b9e7770008b49a5928f4c6813e2c36f6036199a678b204cce2cd464caac6cf6cd3a715b0eecc7f958dbedafd7f7fbfddd23473f84a19d3f150
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZnTE:i5nkFGMOtEvwDpjR+viHsy
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1912-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000d00000001449a-11.dat CryptoLocker_rule2 behavioral1/memory/2492-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1912-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2492-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule behavioral1/memory/1912-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2492-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/1912-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000d00000001449a-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2492-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1912-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2492-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2492 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1912 2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.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 1912 wrote to memory of 2492 1912 2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe 28 PID 1912 wrote to memory of 2492 1912 2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe 28 PID 1912 wrote to memory of 2492 1912 2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe 28 PID 1912 wrote to memory of 2492 1912 2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-14_600a09157a28bc827854f1af8595ecc4_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2492
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5d52a92d0f6061d376e85ab796878a0e1
SHA1f87a6897e23760efec0c35319b648864ac5670c1
SHA25689becd1facf67de221421b0dd9839ae2d1a359fb764924c2e82bc355f7fc51e4
SHA512ef0ed85f40599012aad9a7ef5f17ee9fd235a2cf8a2572003665463f6522583cf4d40d64536772cb18af3c6f28402288dfa433a4edfdc1ff8f977853a411e738