Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 06:22

General

  • Target

    10efbca57d34d863cf73abac483e72fe.dll

  • Size

    401KB

  • MD5

    10efbca57d34d863cf73abac483e72fe

  • SHA1

    731bf99d334e489418ea58c18169f285840839d9

  • SHA256

    a0cc5d48b9840ed422964eff7973f5a32b391cd62b3271b750286694b289c370

  • SHA512

    f3814576e2a1bc16fb2e595785f74c6970e1a122beb07164d9853cae59181c33f720ee0ed2b80f11c70c6288dd5cd2d416015768ecbd55d36dfa3f1d6825e4e8

  • SSDEEP

    6144:SYbxqY1tkUnvIRKYdZEMiXeUJqFfEGTJ210yGCZ0AlBqhmkh3brRLeeuXkHlFWkw:jxqY1tzwRKYdiMiXvqFfX2St6VmASvlc

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\10efbca57d34d863cf73abac483e72fe.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\10efbca57d34d863cf73abac483e72fe.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4844
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 648
        3⤵
        • Program crash
        PID:3968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3800 -ip 3800
    1⤵
      PID:3248

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3800-0-0x0000000000730000-0x000000000076F000-memory.dmp

      Filesize

      252KB

    • memory/3800-3-0x0000000010000000-0x0000000010003000-memory.dmp

      Filesize

      12KB

    • memory/3800-2-0x0000000000710000-0x0000000000711000-memory.dmp

      Filesize

      4KB

    • memory/3800-1-0x0000000000730000-0x000000000076F000-memory.dmp

      Filesize

      252KB

    • memory/3800-6-0x0000000000730000-0x000000000076F000-memory.dmp

      Filesize

      252KB

    • memory/4844-4-0x000001C2EFB20000-0x000001C2EFB21000-memory.dmp

      Filesize

      4KB

    • memory/4844-5-0x000001C2EF980000-0x000001C2EF9A8000-memory.dmp

      Filesize

      160KB

    • memory/4844-7-0x000001C2EF980000-0x000001C2EF9A8000-memory.dmp

      Filesize

      160KB