Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-06-2022 10:09

General

  • Target

    20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba.exe

  • Size

    428KB

  • MD5

    b63af3e2ce713b1a8fa79ee1158ba246

  • SHA1

    3f25337d0bc667eb5965cbb9b70244dc01d4af84

  • SHA256

    20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba

  • SHA512

    f1f6a16f0caa3a0efc6827479014a8590318ed7f8f994602b7ac23aeaed1ce17bb8ba572a8e31a12513877c853bcdd3ac525e1c098e7c255d03045a92d00bd3b

Malware Config

Extracted

Family

trickbot

Version

1000228

Botnet

ser0716

C2

138.34.32.218:443

178.78.202.189:443

85.9.212.117:443

93.109.242.134:443

118.91.178.101:443

158.58.131.54:443

70.114.186.116:443

118.200.151.113:443

89.117.107.13:443

109.86.227.152:443

200.2.126.98:443

96.31.109.51:443

90.69.224.122:443

194.68.23.182:443

182.253.210.130:449

77.89.86.93:443

70.79.178.120:449

138.34.32.74:443

185.129.193.221:443

184.68.167.42:443

Attributes
  • autorun
    Control:GetSystemInfo
    Name:systeminfo
    Name:injectDll
ecc_pubkey.base64

Signatures

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Trickbot x86 loader 6 IoCs

    Detected Trickbot's x86 loader that unpacks the x86 payload.

  • Executes dropped EXE 2 IoCs
  • Stops running service(s) 3 TTPs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba.exe
    "C:\Users\Admin\AppData\Local\Temp\20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Users\Admin\AppData\Local\Temp\20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba.exe
      "C:\Users\Admin\AppData\Local\Temp\20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\SysWOW64\cmd.exe
        /c sc stop WinDefend
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1236
        • C:\Windows\SysWOW64\sc.exe
          sc stop WinDefend
          4⤵
          • Launches sc.exe
          PID:1788
      • C:\Windows\SysWOW64\cmd.exe
        /c sc delete WinDefend
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1344
        • C:\Windows\SysWOW64\sc.exe
          sc delete WinDefend
          4⤵
          • Launches sc.exe
          PID:2008
      • C:\Windows\SysWOW64\cmd.exe
        /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1452
      • C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
        C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
          C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1536
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1512

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Defense Evasion

    Impair Defenses

    1
    T1562

    Impact

    Service Stop

    1
    T1489

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
      Filesize

      428KB

      MD5

      b63af3e2ce713b1a8fa79ee1158ba246

      SHA1

      3f25337d0bc667eb5965cbb9b70244dc01d4af84

      SHA256

      20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba

      SHA512

      f1f6a16f0caa3a0efc6827479014a8590318ed7f8f994602b7ac23aeaed1ce17bb8ba572a8e31a12513877c853bcdd3ac525e1c098e7c255d03045a92d00bd3b

    • C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
      Filesize

      428KB

      MD5

      b63af3e2ce713b1a8fa79ee1158ba246

      SHA1

      3f25337d0bc667eb5965cbb9b70244dc01d4af84

      SHA256

      20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba

      SHA512

      f1f6a16f0caa3a0efc6827479014a8590318ed7f8f994602b7ac23aeaed1ce17bb8ba572a8e31a12513877c853bcdd3ac525e1c098e7c255d03045a92d00bd3b

    • C:\Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
      Filesize

      428KB

      MD5

      b63af3e2ce713b1a8fa79ee1158ba246

      SHA1

      3f25337d0bc667eb5965cbb9b70244dc01d4af84

      SHA256

      20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba

      SHA512

      f1f6a16f0caa3a0efc6827479014a8590318ed7f8f994602b7ac23aeaed1ce17bb8ba572a8e31a12513877c853bcdd3ac525e1c098e7c255d03045a92d00bd3b

    • \Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
      Filesize

      428KB

      MD5

      b63af3e2ce713b1a8fa79ee1158ba246

      SHA1

      3f25337d0bc667eb5965cbb9b70244dc01d4af84

      SHA256

      20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba

      SHA512

      f1f6a16f0caa3a0efc6827479014a8590318ed7f8f994602b7ac23aeaed1ce17bb8ba572a8e31a12513877c853bcdd3ac525e1c098e7c255d03045a92d00bd3b

    • \Users\Admin\AppData\Roaming\msnet\20f09d93a3ef92911a8b4607c9671999d628a2804a0cda74e10ddcd09894feba.exe
      Filesize

      428KB

      MD5

      b63af3e2ce713b1a8fa79ee1158ba246

      SHA1

      3f25337d0bc667eb5965cbb9b70244dc01d4af84

      SHA256

      20f08d83a3ef82811a7b4506c8561989d527a2704a0cda64e10ddcd08784feba

      SHA512

      f1f6a16f0caa3a0efc6827479014a8590318ed7f8f994602b7ac23aeaed1ce17bb8ba572a8e31a12513877c853bcdd3ac525e1c098e7c255d03045a92d00bd3b

    • memory/1236-60-0x0000000000000000-mapping.dmp
    • memory/1344-61-0x0000000000000000-mapping.dmp
    • memory/1452-75-0x0000000073780000-0x0000000073D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/1452-74-0x0000000073780000-0x0000000073D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/1452-71-0x0000000000000000-mapping.dmp
    • memory/1512-87-0x0000000140000000-0x0000000140036000-memory.dmp
      Filesize

      216KB

    • memory/1512-85-0x0000000000000000-mapping.dmp
    • memory/1536-78-0x0000000000401000-mapping.dmp
    • memory/1536-82-0x0000000010000000-0x0000000010007000-memory.dmp
      Filesize

      28KB

    • memory/1536-93-0x0000000000400000-0x000000000043D000-memory.dmp
      Filesize

      244KB

    • memory/1724-73-0x0000000000400000-0x000000000043D000-memory.dmp
      Filesize

      244KB

    • memory/1724-56-0x0000000000400000-0x000000000043D000-memory.dmp
      Filesize

      244KB

    • memory/1724-59-0x0000000000400000-0x000000000043D000-memory.dmp
      Filesize

      244KB

    • memory/1724-58-0x00000000752B1000-0x00000000752B3000-memory.dmp
      Filesize

      8KB

    • memory/1724-57-0x0000000000401000-mapping.dmp
    • memory/1788-68-0x0000000000000000-mapping.dmp
    • memory/2000-62-0x0000000000000000-mapping.dmp
    • memory/2008-66-0x0000000000000000-mapping.dmp
    • memory/2040-65-0x0000000000000000-mapping.dmp