Resubmissions

29-10-2020 14:11

201029-vsztnfplge 10

26-08-2020 13:48

200826-1klx2ne3mj 3

Analysis

  • max time kernel
    105s
  • max time network
    95s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-10-2020 14:11

General

  • Target

    printabledocx.dll

  • Size

    293KB

  • MD5

    cbfb455108f9b2d783a66a6f9793352d

  • SHA1

    7237c3b785c03e1d24ab64464b1c0ce00ef1a4bc

  • SHA256

    210cddde479e8b524014a9bacf95299bc7287e342ee49a25d1eead62a6de3ce4

  • SHA512

    1c7fed8a955d1747e824195fb7b13c5470ffded3c88714e6bd8512193f7042f7ca1ec7688d7b079a1a2148a20e01ed5b543b9abcf5b5aceb109410a94aa20315

Malware Config

Extracted

Family

trickbot

Version

1000513

Botnet

chil103

C2

51.89.177.20:443

194.5.249.174:443

107.174.196.242:443

185.205.209.241:443

82.146.46.220:443

5.34.178.126:443

212.22.70.65:443

195.123.241.90:443

185.164.32.214:443

198.46.198.139:443

195.123.241.187:443

86.104.194.116:443

195.123.240.252:443

185.164.32.215:443

45.148.120.195:443

45.138.158.32:443

5.149.253.99:443

92.62.65.163:449

88.247.212.56:449

180.211.170.214:449

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Templ.dll packer 2 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\printabledocx.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\printabledocx.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:552

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/552-3-0x0000000000000000-mapping.dmp

  • memory/2504-0-0x0000000000000000-mapping.dmp

  • memory/2504-1-0x0000000003120000-0x000000000314E000-memory.dmp

    Filesize

    184KB

  • memory/2504-2-0x0000000003150000-0x000000000317C000-memory.dmp

    Filesize

    176KB