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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/03/2024, 02:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe
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Size
63KB
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MD5
96c9ed0aeb6f6c88495922b80105900e
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SHA1
f935c5f3d77bcae91fe085c3a7860f0ebdbed019
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SHA256
9dbf1be43f0500ccb8dca3cc760c3b5cfa0b9d6e85d566c07366d6ba18afe63e
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SHA512
05249740f6d034d5c2879328e1686f76531eaaaf7bac20ecf482c5aa7fb5d91b78afbfef8283c29186fcb620cc985fb9960ef311e680616d7bfe6e79b9a7c353
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEM1:6j+1NMOtEvwDpjr8ox8UDE8
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1924-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b00000001224f-11.dat CryptoLocker_rule2 behavioral1/memory/1924-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1996-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1996-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1924-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000b00000001224f-11.dat CryptoLocker_set1 behavioral1/memory/1924-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1996-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1996-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/1924-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000b00000001224f-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1924-15-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1996-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1996-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 1996 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1924 2024-03-09_96c9ed0aeb6f6c88495922b80105900e_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 1924 wrote to memory of 1996 1924 2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe 28 PID 1924 wrote to memory of 1996 1924 2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe 28 PID 1924 wrote to memory of 1996 1924 2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe 28 PID 1924 wrote to memory of 1996 1924 2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD582cffb3799fc21c9853cf874759ca398
SHA1ca05cd5c767231d46a8355e2f8ffb0b09121e65c
SHA25608077a3cc15ed9f3372fac07e632c7925b000f4014cd977df3e0aa17ea8155c6
SHA512a30ebabe749a6413e18312c629ce12a2aa72922dd26a4f6b4b4093ded3f6169f427307353585199c5a42d15f7f19c7ebae14f72850a55ae77a9dcb4d3bb87cb2