Analysis

  • max time kernel
    94s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    24-03-2021 17:18

General

  • Target

    2eaa196b5f4f0d20b23dd82f001f369e05de803834a11cfe93dd7b795d9e6cd2.dll

  • Size

    768KB

  • MD5

    d97e4caabf31d478bc931a0a1a47e08c

  • SHA1

    85cca6fc2fdfab66c47188efc007d0b651c1536d

  • SHA256

    2eaa196b5f4f0d20b23dd82f001f369e05de803834a11cfe93dd7b795d9e6cd2

  • SHA512

    3add165b47af5bdb65547b2913525049df9d23c62448eccc83824150cc42f72a593d88f533bf1b8268321f2c688453422b2d659af9b9234ab8c1188ff6b9842f

Malware Config

Extracted

Family

trickbot

Version

100013

Botnet

mon122

C2

103.225.138.94:449

122.2.28.70:449

123.200.26.246:449

131.255.106.152:449

142.112.79.223:449

154.126.176.30:449

180.92.238.186:449

187.20.217.129:449

201.20.118.122:449

202.91.41.138:449

95.210.118.90:449

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Templ.dll packer 3 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2eaa196b5f4f0d20b23dd82f001f369e05de803834a11cfe93dd7b795d9e6cd2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2eaa196b5f4f0d20b23dd82f001f369e05de803834a11cfe93dd7b795d9e6cd2.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:1788
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1760

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1656-3-0x00000000760D1000-0x00000000760D3000-memory.dmp

      Filesize

      8KB

    • memory/1656-4-0x0000000000240000-0x0000000000279000-memory.dmp

      Filesize

      228KB

    • memory/1656-5-0x00000000002C0000-0x00000000002F7000-memory.dmp

      Filesize

      220KB

    • memory/1656-6-0x0000000000140000-0x0000000000176000-memory.dmp

      Filesize

      216KB

    • memory/1656-7-0x0000000001EE0000-0x0000000001F23000-memory.dmp

      Filesize

      268KB

    • memory/1656-9-0x0000000010000000-0x0000000010037000-memory.dmp

      Filesize

      220KB

    • memory/1656-10-0x0000000000340000-0x0000000000341000-memory.dmp

      Filesize

      4KB

    • memory/1656-11-0x0000000000311000-0x0000000000313000-memory.dmp

      Filesize

      8KB

    • memory/1760-13-0x0000000000110000-0x0000000000111000-memory.dmp

      Filesize

      4KB

    • memory/1760-12-0x0000000000060000-0x0000000000088000-memory.dmp

      Filesize

      160KB