Analysis

  • max time kernel
    128s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2024, 22:26

General

  • Target

    85376e93d5087ae269d49e1097638468.dll

  • Size

    622KB

  • MD5

    85376e93d5087ae269d49e1097638468

  • SHA1

    b1bd7ed670e930dc493c05c0be50a0b27d62d337

  • SHA256

    030b5440c89d6890d1e2a12f2643ee1b83c87bf87a4f5583d3d264f3333849c6

  • SHA512

    3c6c64d5ac2a33818938c82e405ac279fc09d72836db14b2fee098c2f202b5923abb56725c098c011a1648b6a681d234af27de150713a631c9965b318c9fb7b9

  • SSDEEP

    12288:d6iO8Nuy1Lg6RaN70Y+yYQ3E9pGHNu4B2UdwqQEWpQ+YaeAG9PVCXwvH:TXvgS+rI4rdm2+D+BEgf

Malware Config

Extracted

Family

trickbot

Version

2000031

Botnet

zev4

C2

14.232.161.45:443

118.173.233.64:443

41.57.156.203:443

45.239.234.2:443

45.201.136.3:443

177.10.90.29:443

185.17.105.236:443

91.237.161.87:443

185.189.55.207:443

186.225.119.170:443

143.0.208.20:443

222.124.16.74:443

220.82.64.198:443

200.236.218.62:443

178.216.28.59:443

45.239.233.131:443

196.216.59.174:443

119.202.8.249:443

82.159.149.37:443

49.248.217.170:443

Attributes
  • autorun
    Name:pwgrabb
    Name:pwgrabc
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 708
        3⤵
        • Program crash
        PID:3808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1228 -ip 1228
    1⤵
      PID:2324

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1228-0-0x0000000002170000-0x00000000021A7000-memory.dmp

            Filesize

            220KB

          • memory/1228-4-0x0000000002080000-0x00000000020B4000-memory.dmp

            Filesize

            208KB

          • memory/1228-5-0x00000000021B0000-0x00000000021F0000-memory.dmp

            Filesize

            256KB

          • memory/1228-6-0x00000000021F0000-0x00000000021F1000-memory.dmp

            Filesize

            4KB

          • memory/1228-7-0x0000000010000000-0x0000000010003000-memory.dmp

            Filesize

            12KB

          • memory/1228-10-0x00000000020F0000-0x000000000216A000-memory.dmp

            Filesize

            488KB

          • memory/1228-11-0x00000000021B0000-0x00000000021F0000-memory.dmp

            Filesize

            256KB

          • memory/5004-8-0x0000028E1BC00000-0x0000028E1BC01000-memory.dmp

            Filesize

            4KB

          • memory/5004-9-0x0000028E1BAA0000-0x0000028E1BAC8000-memory.dmp

            Filesize

            160KB

          • memory/5004-12-0x0000028E1BAA0000-0x0000028E1BAC8000-memory.dmp

            Filesize

            160KB