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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
25/05/2024, 18:28
Static task
static1
Behavioral task
behavioral1
Sample
099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe
Resource
win10v2004-20240426-en
General
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Target
099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe
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Size
69KB
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MD5
56afab560134b74a4d846efc624c82fc
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SHA1
882211287468aeedbfd330488824daf6c248a222
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SHA256
099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759
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SHA512
3a52b5187df2d499abc9b16fc3f864afdd3e8e1a123f5cb46dcf6e48584c27cc87d505fe7a77f216cd86ce9478785e02c40899f0f580f9ed7272d2f083ea211d
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/dB:i5nkFGMOtEvwDpjNbwQEI8UZDL
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c00000001225d-11.dat CryptoLocker_rule2 behavioral1/memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 3 IoCs
resource yara_rule behavioral1/memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral1/memory/2368-8-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000c00000001225d-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2628-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2628-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2628 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2368 099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.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 2368 wrote to memory of 2628 2368 099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe 28 PID 2368 wrote to memory of 2628 2368 099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe 28 PID 2368 wrote to memory of 2628 2368 099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe 28 PID 2368 wrote to memory of 2628 2368 099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe"C:\Users\Admin\AppData\Local\Temp\099e42db09df259b5a9b170b08e0b7667f677e87bbe2f19edea3615f09a7d759.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
69KB
MD5db406b7e1287b3fbd8e63714b654b8f5
SHA15e9702c072aad172055e4dd3625c6bf8abe1a911
SHA2564fabf7674f414ca03e81d12942be301521697e6785af32b7e3c0c30fec58e387
SHA512c0400157b4f42973e8585eb18188df3a569c7bd791637a53c67436f3f6963103eed2ec03825ad17946311f14a9008b4983d61849c1f56d7c051e218b5142ec02