Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    08-03-2021 15:12

General

  • Target

    2.cry.dll

  • Size

    419KB

  • MD5

    5af074c9bec5f91119e5deac1964207a

  • SHA1

    c2ea2dbcf5393dbc02fb5a8f8040b80aee8d546d

  • SHA256

    68eb43b8e87657e66f8b25400926f55498bfde185252ee24eb068928d698e90d

  • SHA512

    dbfdb8145992efe00f9f8d1a82da9113ec722a6e5a135b652c087400cb75a05a7323314ec26f82d3b0483b65213e00f4309d25770c272b2db419dedb0f062089

Malware Config

Extracted

Family

trickbot

Version

100013

Botnet

rob72

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
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\2.cry.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2.cry.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:1688
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:804

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/804-8-0x0000000000000000-mapping.dmp
    • memory/804-12-0x0000000000060000-0x0000000000088000-memory.dmp
      Filesize

      160KB

    • memory/804-13-0x00000000000A0000-0x00000000000A1000-memory.dmp
      Filesize

      4KB

    • memory/876-2-0x0000000000000000-mapping.dmp
    • memory/876-3-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
      Filesize

      8KB

    • memory/876-4-0x00000000002B0000-0x00000000002E9000-memory.dmp
      Filesize

      228KB

    • memory/876-5-0x0000000000420000-0x0000000000457000-memory.dmp
      Filesize

      220KB

    • memory/876-6-0x0000000000270000-0x00000000002A6000-memory.dmp
      Filesize

      216KB

    • memory/876-7-0x0000000000460000-0x00000000004A3000-memory.dmp
      Filesize

      268KB

    • memory/876-9-0x0000000010000000-0x0000000010037000-memory.dmp
      Filesize

      220KB

    • memory/876-10-0x0000000000310000-0x0000000000311000-memory.dmp
      Filesize

      4KB

    • memory/876-11-0x0000000000221000-0x0000000000223000-memory.dmp
      Filesize

      8KB