Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
19-08-2023 15:55
Static task
static1
Behavioral task
behavioral1
Sample
4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe
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Size
36KB
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MD5
4a3d8405399afe7c1b5983c35333ae7a
-
SHA1
be96c87b982753ea54b68712fa21dc557eec9868
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SHA256
022aec37da8dd4e42f3f9c02b3638517bb717daa6bf0fc2fa8d993380fccd21b
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SHA512
a45861bfe560df6d85943f3e9c86f9cb1d85797d67768d056d4940db1552ab48cc2a372143d409c3b2112b780e6d322f613a799569cbdffb4449383701b4de3c
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHgS6BLP1V7UELrpv:XS5nQJ24LR1bytOOtEvwDpj66BLtldv
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2436 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1412 4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.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 1412 wrote to memory of 2436 1412 4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe 28 PID 1412 wrote to memory of 2436 1412 4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe 28 PID 1412 wrote to memory of 2436 1412 4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe 28 PID 1412 wrote to memory of 2436 1412 4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\4a3d8405399afe7c1b5983c35333ae7a_cryptolocker_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
36KB
MD5c60f362828d89bd2c5aae7a92644cece
SHA15b8f18656e8757e732504cbb92d33918605f0ebf
SHA256dd8e0b48478199851afcdafbecce21984e35e67e1d2a4c09fb48fc98834b0b3f
SHA51216e66d9cb55115b970a3ebff8d286923b09c080910ced5d5ad93a50503d9e5bad82386a9575f32a50d0252622849faa2c89b844e05f8a9667f6cdf181a67c670
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Filesize
36KB
MD5c60f362828d89bd2c5aae7a92644cece
SHA15b8f18656e8757e732504cbb92d33918605f0ebf
SHA256dd8e0b48478199851afcdafbecce21984e35e67e1d2a4c09fb48fc98834b0b3f
SHA51216e66d9cb55115b970a3ebff8d286923b09c080910ced5d5ad93a50503d9e5bad82386a9575f32a50d0252622849faa2c89b844e05f8a9667f6cdf181a67c670
-
Filesize
36KB
MD5c60f362828d89bd2c5aae7a92644cece
SHA15b8f18656e8757e732504cbb92d33918605f0ebf
SHA256dd8e0b48478199851afcdafbecce21984e35e67e1d2a4c09fb48fc98834b0b3f
SHA51216e66d9cb55115b970a3ebff8d286923b09c080910ced5d5ad93a50503d9e5bad82386a9575f32a50d0252622849faa2c89b844e05f8a9667f6cdf181a67c670