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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13/02/2024, 21:54
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe
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Size
63KB
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MD5
d57d0fecf23d8a7a6e824366aad2f7f7
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SHA1
9907ba26051a8573e73b6d189a232132c9b9dd06
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SHA256
7fb7a2bbbe3ecde4037107aa73b1d4de4aa041d83a7f33c7fe67c8b772f63985
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SHA512
40e0205e10bc03af0f61e4599db69ac42a53b9508b9b5694762826f366368d845ba8078b3723ba396a2eceb100cab2d8026e0f412699e87c70676fb93aaa506f
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km9e:6j+1NMOtEvwDpjr8ox8UDEy0KmA
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1752-1-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a00000001650c-11.dat CryptoLocker_rule2 behavioral1/memory/1752-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3036-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3036-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1752-1-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a00000001650c-11.dat CryptoLocker_set1 behavioral1/memory/1752-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/3036-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/3036-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/1752-1-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a00000001650c-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1752-15-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3036-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3036-27-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 3036 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1752 2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_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 1752 wrote to memory of 3036 1752 2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe 28 PID 1752 wrote to memory of 3036 1752 2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe 28 PID 1752 wrote to memory of 3036 1752 2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe 28 PID 1752 wrote to memory of 3036 1752 2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD57f07c054bf7380ab45a8f4cc39e76e27
SHA1c5da13104545ad62ac2aa0212c888f75ff03ed42
SHA25656c7f73378641c2fce64d981f74f7081d725295791586844496a058503141c97
SHA5120b9f17bbc30d8ae12fa1086d7d93cad703b1cf0e8e800be96e63582e6e5fa2899e4f5c4f900630e5b69e767c7126c00abf54d918a2a1b5c760cab65d9cd1306b