Analysis
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max time kernel
132s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
25/08/2023, 01:00
Behavioral task
behavioral1
Sample
bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe
Resource
win10v2004-20230703-en
General
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Target
bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe
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Size
1.4MB
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MD5
2a14734eaa048b443d11d2c73ccbc107
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SHA1
409d00ad93c2b7037d56bb722ea8c009366be36d
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SHA256
bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b
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SHA512
28d9e9e32845c5402898fa1d6b7c978e9c36f1edb1db093b3eda2d7eceb645f6e74df238c76a178f402b96f9bd1f22fc869c26ca90cdc7258e4fd9598688d6ef
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SSDEEP
24576:BuW/ZvmZbl0S8Dg9lm/GosiYce7Kw3miTz6kDpBqSwV50dCWLAPJVk6Rx1:BuW/ZOycvmuPiJSKwWiTz3D+X0kW0PJ5
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2584-0-0x0000000000400000-0x00000000012F4000-memory.dmp vmprotect behavioral1/memory/2584-1-0x0000000000400000-0x00000000012F4000-memory.dmp vmprotect behavioral1/memory/2584-40-0x0000000000400000-0x00000000012F4000-memory.dmp vmprotect -
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.
description ioc Process File opened for modification \??\PhysicalDrive0 bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Internet Explorer\Main bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2584 bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe 2584 bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe 2584 bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe"C:\Users\Admin\AppData\Local\Temp\bacef0c983a1bc1bf5a48cf61ed4397c5b070f824e74e6f9f1aa24cb7f28097b.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\3VKWFGCX\edit1[1].cur
Filesize766B
MD532f16cde74ed4f9a62355331ceb78514
SHA15542b3fa427e2f57dc6bf8935e2020c883607fb3
SHA2561ad0bc5b343c9b98013108e85540ce6411b22a0bdfed576d760e5fa8d366950e
SHA512eea88300cbeb99ceb127d3bb48add411e94e14129f0123ce34cd22b7bae39899a1ff7bfbb8672f8f3a8ae673a0cad423aa745f39214f1e0e3cebf3631aed5870