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Analysis
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max time kernel
122s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16/03/2024, 10:00
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe
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Size
47KB
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MD5
e8961213188e697df2f2601505a5ef8f
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SHA1
cd8e02566f530ffcf9ef457349f308d04248e7c8
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SHA256
3fc57906d505bfd76350c3630ab23bf6fb9dc1e693ae3c53440aaca7b55fe3d4
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SHA512
b80ca0cdae0f63a3c620d5952e03c961f54affbd64d4a043d9f2b0539fea2087507c54403de2fb83dee978909db9f1563c9e710f2c7a39484dbc5a08beffdab6
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SSDEEP
768:btB9g/WItCSsAGjX7r3BPOMHoc/QQJP5wjvaHYwiN:btB9g/xtCSKfxLIc/E1d
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012248-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 3068 gewos.exe -
Loads dropped DLL 1 IoCs
pid Process 2348 2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of UnmapMainImage 2 IoCs
pid Process 2348 2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe 3068 gewos.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2348 wrote to memory of 3068 2348 2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe 28 PID 2348 wrote to memory of 3068 2348 2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe 28 PID 2348 wrote to memory of 3068 2348 2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe 28 PID 2348 wrote to memory of 3068 2348 2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-16_e8961213188e697df2f2601505a5ef8f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:3068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD53ffea408dd0b53aee85691a440894d24
SHA1e360fe64ef845f6a95e13530f674e302cc9f75fb
SHA256bddf94f0dc8e50d4e8b2cf0020e0bf475b0f9a3ea6a315d89b407851765b8873
SHA512b36c484b892066413b308ae6cf232efbe95c4850304f5a7d86cfa9a36f97e2b98202bb924e82e89ef77b84d90187490cb8c34aeea5bda55fa1b19b20575b34b3