Analysis
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max time kernel
175s -
max time network
191s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
14/02/2024, 13:03
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe
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Size
63KB
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MD5
dad98a30615a3602dabc7ef9ca298fac
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SHA1
a6dcb9735e231ad852f34c31b1104e5e27e7b539
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SHA256
9487ab705d4e0a9dfe75b7b7935a3c8dd2364be8165df24632d03888e2110d88
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SHA512
b5abf42dffe59bbaac770a5137d56614faf0b5bcef3c63f6a2f680c3cd8d1dd30f0a4d84e9ceb17a546c4fa21951a715dd688120d1069146529886c4b50c2e29
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10KmQ0f:6j+1NMOtEvwDpjr8ox8UDEy0KmQ0f
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2836-1-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c000000012266-11.dat CryptoLocker_rule2 behavioral1/memory/2836-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2572-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2836-16-0x0000000001E60000-0x0000000001E6F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2572-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2836-1-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c000000012266-11.dat CryptoLocker_set1 behavioral1/memory/2836-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2572-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2836-16-0x0000000001E60000-0x0000000001E6F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2572-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/2836-1-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000c000000012266-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2836-15-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2572-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2836-16-0x0000000001E60000-0x0000000001E6F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2572-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2572 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2836 2024-02-14_dad98a30615a3602dabc7ef9ca298fac_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 2836 wrote to memory of 2572 2836 2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe 27 PID 2836 wrote to memory of 2572 2836 2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe 27 PID 2836 wrote to memory of 2572 2836 2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe 27 PID 2836 wrote to memory of 2572 2836 2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_dad98a30615a3602dabc7ef9ca298fac_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD5f7dcbf148dd52aaf0ea7156984cbcd77
SHA19f8bc482774b9641dd9099940c8ae962e8bd6c39
SHA256eec90498244c2fc63f3c5ee36633cec86400d5968639ba2d2fa77fa2a0054cb5
SHA512678c960e51f99ec279cdd8f1bf39ca10efac465fbbd341dc2b9f8bdef9add767ea0c7d87f17a1f787d87f690d0eb4924de08da28cdca9707178a5f2b0d09a76f