Analysis
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max time kernel
121s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-03-2023 15:50
Static task
static1
Behavioral task
behavioral1
Sample
b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe
Resource
win7-20230220-en
General
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Target
b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe
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Size
368KB
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MD5
8402ab33eafb84178069f8f490ca604d
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SHA1
516c7a538e93f7cf4bff29196511f94e5fbb5a40
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SHA256
b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
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SHA512
ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
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SSDEEP
6144:jo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4qM:jmSuOcHmnYhrDMTrban4qM
Malware Config
Signatures
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Trickbot x86 loader 4 IoCs
Detected Trickbot's x86 loader that unpacks the x86 payload.
Processes:
resource yara_rule behavioral2/memory/3776-134-0x00000000013D0000-0x00000000013F9000-memory.dmp trickbot_loader32 behavioral2/memory/3776-141-0x00000000013D0000-0x00000000013F9000-memory.dmp trickbot_loader32 behavioral2/memory/3920-154-0x00000000010D0000-0x00000000010F9000-memory.dmp trickbot_loader32 behavioral2/memory/2756-171-0x0000000000C70000-0x0000000000C99000-memory.dmp trickbot_loader32 -
Executes dropped EXE 2 IoCs
Processes:
b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeb8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exepid process 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exedescription pid process Token: SeTcbPrivilege 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe -
Suspicious use of WriteProcessMemory 45 IoCs
Processes:
b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exeb8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeb8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exedescription pid process target process PID 3776 wrote to memory of 3920 3776 b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe PID 3776 wrote to memory of 3920 3776 b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe PID 3776 wrote to memory of 3920 3776 b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 3920 wrote to memory of 1844 3920 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe PID 2756 wrote to memory of 3740 2756 b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe svchost.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe"C:\Users\Admin\AppData\Local\Temp\b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeC:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe3⤵
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C:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeC:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1675742406-747946869-1029867430-1000\0f5007522459c86e95ffcc62f32308f1_8d6935fa-0795-4a6f-bfd9-e755f1917fa0Filesize
1KB
MD51cde4706ab26a863f9f45040db7da180
SHA1442780fcda52193f860176ecd51077b4688be55f
SHA256668cec2ad52b5ef7ff2ad55eaac7a86d553b9801abdaf2bb1446c5e1ad5fb39f
SHA5121b080fe9630223560a3939f63fc5504ec81e41da58957b0533e322358fc5ea463956e94d6304f8695bd68df19d93079fda8809cf24a0fda2594c8ab6dd26aa30
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C:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeFilesize
368KB
MD58402ab33eafb84178069f8f490ca604d
SHA1516c7a538e93f7cf4bff29196511f94e5fbb5a40
SHA256b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
SHA512ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
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C:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeFilesize
368KB
MD58402ab33eafb84178069f8f490ca604d
SHA1516c7a538e93f7cf4bff29196511f94e5fbb5a40
SHA256b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
SHA512ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
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C:\Users\Admin\AppData\Roaming\WNetval\b8cbc6e6dc192c9d99909cd74d37834abeb7bfac16e7efc2ebcc2c68264bf182.exeFilesize
368KB
MD58402ab33eafb84178069f8f490ca604d
SHA1516c7a538e93f7cf4bff29196511f94e5fbb5a40
SHA256b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
SHA512ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
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memory/1844-155-0x0000028D67830000-0x0000028D67831000-memory.dmpFilesize
4KB
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memory/1844-148-0x0000000010000000-0x000000001001F000-memory.dmpFilesize
124KB
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memory/2756-171-0x0000000000C70000-0x0000000000C99000-memory.dmpFilesize
164KB
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memory/2756-170-0x0000000001560000-0x0000000001829000-memory.dmpFilesize
2.8MB
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memory/2756-169-0x00000000014A0000-0x000000000155E000-memory.dmpFilesize
760KB
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memory/3740-173-0x0000000010000000-0x000000001001F000-memory.dmpFilesize
124KB
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memory/3776-141-0x00000000013D0000-0x00000000013F9000-memory.dmpFilesize
164KB
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memory/3776-134-0x00000000013D0000-0x00000000013F9000-memory.dmpFilesize
164KB
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memory/3920-154-0x00000000010D0000-0x00000000010F9000-memory.dmpFilesize
164KB
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memory/3920-153-0x00000000030B0000-0x0000000003379000-memory.dmpFilesize
2.8MB
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memory/3920-152-0x0000000001500000-0x00000000015BE000-memory.dmpFilesize
760KB
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memory/3920-143-0x0000000010000000-0x0000000010007000-memory.dmpFilesize
28KB