Analysis
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max time kernel
142s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09-04-2024 00:51
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe
Resource
win10v2004-20231215-en
General
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Target
2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe
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Size
3.3MB
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MD5
1a421afac77c530ebe0766bb8bd4c8f8
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SHA1
25910230368290a0dbc52dd82016ab71bb6bc4e9
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SHA256
41770e12397e2cdb0e556dd05e86c651ad458898ee73ef5df8044b3043d505d6
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SHA512
c4813df6001e66b1c577ef9e84f58a94174e485f846668eb2eba21b566d3f9a8471646e491d89218727d5aae7a55f34b806c548f1cb1cda2ee4435cd89d983b0
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SSDEEP
98304:0xxEouLgfYTUXIjRUbilu2d09VEfg48uc:0kMfQzBlI3uc
Malware Config
Signatures
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UPX dump on OEP (original entry point) 30 IoCs
resource yara_rule behavioral2/memory/3160-0-0x0000000000400000-0x00000000007B3000-memory.dmp UPX behavioral2/memory/3160-7-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-5-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-3-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-2-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-10-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-18-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-21-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-16-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-14-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-23-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-12-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-36-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-39-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-48-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-47-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-45-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-43-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-52-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-51-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-41-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-34-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-32-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-29-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-27-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-25-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-1-0x0000000002750000-0x000000000278E000-memory.dmp UPX behavioral2/memory/3160-57-0x0000000000400000-0x00000000007B3000-memory.dmp UPX behavioral2/memory/3160-58-0x0000000000400000-0x00000000007B3000-memory.dmp UPX behavioral2/memory/3160-59-0x0000000003FB0000-0x00000000040B0000-memory.dmp UPX -
resource yara_rule behavioral2/memory/3160-7-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-5-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-3-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-2-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-10-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-18-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-21-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-16-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-14-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-23-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-12-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-36-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-39-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-48-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-47-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-45-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-43-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-52-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-51-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-41-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-34-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-32-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-29-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-27-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-25-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-1-0x0000000002750000-0x000000000278E000-memory.dmp upx behavioral2/memory/3160-59-0x0000000003FB0000-0x00000000040B0000-memory.dmp upx -
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 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe 3160 2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-09_1a421afac77c530ebe0766bb8bd4c8f8_xiaoba.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3160