Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
25/08/2024, 07:04
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe
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Size
86KB
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MD5
eb91cebb9b26349020530fb7ee58fd4e
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SHA1
bca6080aa2317a5db25045811ea73ff49dcf0e61
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SHA256
8cb2907c84e9f33172865948ccf665d394b3f54ce9adadbaf75a422df41b4088
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SHA512
d30c17b4b1b0244c01e392a571e8bfa7ea4b966a88c50c9202d70c23e1f2587fe04a53f093032593efe31212c69346888950f396338e64635498f6181d36780c
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrCsQ:TCjsIOtEvwDpj5HE/OUHnSMM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2460 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2504 2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2460 2504 2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe 30 PID 2504 wrote to memory of 2460 2504 2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe 30 PID 2504 wrote to memory of 2460 2504 2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe 30 PID 2504 wrote to memory of 2460 2504 2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-25_eb91cebb9b26349020530fb7ee58fd4e_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2460
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD55fbed5df67c277d4a08afd16e8674f11
SHA1c0950e17fffeb289ef4f58bbc8fe064beea54d6a
SHA256da1a5a2577c3de1a18c48d0fd91f31383939cfae9ac95e7d7619072fe886cf53
SHA512928684b123671c20a389053f513ad3df3385ee3bf56c638fb47ca77754ee863f01401d84c5541e28d1376e70bb816e09ff18ba5def4b9a4e54fa036676068b4e