Analysis

  • max time kernel
    123s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    12-04-2021 17:51

General

  • Target

    5Y7a0.perclick.dll

  • Size

    439KB

  • MD5

    cbea511bd35f247e4b4bf7cc5a3a7cbd

  • SHA1

    8c0d352934271350cfe6c00b7587e8dc8d062817

  • SHA256

    0ae86e5abbc09e96f8c1155556ca6598c22aebd73acbba8d59f2ce702d3115f8

  • SHA512

    aec894d9d3aaccccc029c615d283af4946c5150372db0ecdd616a9d491478759068214bf03db11631a5efb59951150d92c1517c2c11d8c6f0ddf5c8f76734fcf

Malware Config

Extracted

Family

trickbot

Version

2000028

Botnet

rob52

C2

89.250.208.42:449

182.253.184.130:449

31.211.85.110:443

85.112.74.178:449

102.68.17.97:443

103.76.150.14:443

96.9.77.142:443

91.185.236.170:449

87.76.1.81:449

91.225.231.120:443

62.213.14.166:443

81.95.45.234:449

148.216.32.55:443

109.185.139.90:449

202.166.211.197:443

196.41.57.46:449

84.21.206.164:449

190.122.168.219:443

77.95.93.132:449

41.77.134.250:443

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Templ.dll packer 1 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • Looks up external IP address via web service 1 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 13 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5Y7a0.perclick.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5Y7a0.perclick.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1724

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1724-63-0x0000000000000000-mapping.dmp
  • memory/1724-66-0x00000000000E0000-0x0000000000108000-memory.dmp
    Filesize

    160KB

  • memory/1724-67-0x0000000000190000-0x0000000000191000-memory.dmp
    Filesize

    4KB

  • memory/2040-59-0x0000000000000000-mapping.dmp
  • memory/2040-60-0x0000000075631000-0x0000000075633000-memory.dmp
    Filesize

    8KB

  • memory/2040-62-0x00000000006F0000-0x0000000000733000-memory.dmp
    Filesize

    268KB

  • memory/2040-61-0x00000000003F0000-0x0000000000427000-memory.dmp
    Filesize

    220KB

  • memory/2040-65-0x0000000010001000-0x0000000010003000-memory.dmp
    Filesize

    8KB

  • memory/2040-64-0x0000000000170000-0x0000000000181000-memory.dmp
    Filesize

    68KB