Analysis
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max time kernel
122s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
30-03-2023 03:47
Static task
static1
Behavioral task
behavioral1
Sample
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe
Resource
win10v2004-20230220-en
General
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Target
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe
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Size
26.0MB
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MD5
d0ce85bb7ba897bf8dec7d201b9b87c8
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SHA1
f097b3cbff38b15ca2476e3f675e531c92382965
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SHA256
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c
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SHA512
584e771b4c4d3a280060b1b07e25e5915fcd60077222ae26954f20ed7ae50f68a894b073f681740cda70b85d3894eaea1d5ac89658e01ed89500223759462a23
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SSDEEP
786432:gjRaLwqLOUjqZNDRLPjqLBeYPWEiR4mEAnG4f3H:gjRakqaNLPmLMu7a/EA9f
Malware Config
Signatures
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Loads dropped DLL 11 IoCs
Processes:
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exepid process 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 1 ip-api.com -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exedescription ioc process File opened for modification \??\PhysicalDrive0 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exepid process 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exepid process 1960 a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe"C:\Users\Admin\AppData\Local\Temp\a4e42c6789fe6a2f331c44badc102d301f0131424e0390dc7409c518827d4a6c.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\InstallOptions.dllFilesize
15KB
MD509d8971beefefffd710030dd167a99e0
SHA1a0117786ad77213f3eb48cfdc3819786cb796b7d
SHA256caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95
SHA5123956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0
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C:\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\ioSpecial.iniFilesize
1KB
MD57af1bdfc1f40ee4901e9508debdb47bd
SHA18ad29d60d106d999b8219efc74c65c84b238ede3
SHA256a90e8ec81e757d3bec0d0c4858f2b0c3bedb22c2e3dbc28125896f4f5cca2c34
SHA5124bd09935e23aec59d7e44990835c2a4fc7a569f23017e339c3d174189145b7c382e0ec93b5c0cfb35897d30a36aa2d89df42ad0f171e80f8be331d808257c9a2
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C:\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\myinternet.dllFilesize
1.2MB
MD5b29b3e3874823b17c11ee5dfca740c72
SHA11e104c9a9bbae8437127ed8ff691c2d33047e4c2
SHA2562b90122ac9259751de7e257e61292966d649a021ba91769e7496a38cafec5f47
SHA51207ed39976dc7e0b8e3d4a6370ec731901caa6ed7e06709ea80d3eb27b92a1103c7bdec03e4c89873bbd8f2339ab88425fe46aaa05b20cce6780f603654cf48fe
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C:\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\FindProcDLL.dllFilesize
27KB
MD56f73b00aef6c49eac62128ef3eca677e
SHA11b6aff67d570e5ee61af2376247590eb49b728a1
SHA2566eb09ce25c7fc62e44dc2f71761c6d60dd4b2d0c7d15e9651980525103aac0a9
SHA512678fc4bf7d345eeb99a3420ec7d0071eaba302845e93b48527d9a2a9c406709cc44ec74d6a889e25a8351a463803f8713a833df3a1707a5ad50db05240a32938
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\InstallOptions.dllFilesize
15KB
MD509d8971beefefffd710030dd167a99e0
SHA1a0117786ad77213f3eb48cfdc3819786cb796b7d
SHA256caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95
SHA5123956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\InstallOptions.dllFilesize
15KB
MD509d8971beefefffd710030dd167a99e0
SHA1a0117786ad77213f3eb48cfdc3819786cb796b7d
SHA256caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95
SHA5123956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\myinternet.dllFilesize
1.2MB
MD5b29b3e3874823b17c11ee5dfca740c72
SHA11e104c9a9bbae8437127ed8ff691c2d33047e4c2
SHA2562b90122ac9259751de7e257e61292966d649a021ba91769e7496a38cafec5f47
SHA51207ed39976dc7e0b8e3d4a6370ec731901caa6ed7e06709ea80d3eb27b92a1103c7bdec03e4c89873bbd8f2339ab88425fe46aaa05b20cce6780f603654cf48fe
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
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\Users\Admin\AppData\Local\Temp\nsd2F4C.tmp\nsProcess.dllFilesize
4KB
MD5f0438a894f3a7e01a4aae8d1b5dd0289
SHA1b058e3fcfb7b550041da16bf10d8837024c38bf6
SHA25630c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
SHA512f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7