General

  • Target

    Attachment_777329.xlsb

  • Size

    81KB

  • Sample

    210226-33gp13ynrn

  • MD5

    d19e0a75cd215002029844a3fe636b78

  • SHA1

    9d07f470a0c481e96139434fad28d8e68c914753

  • SHA256

    bcb62eab32937c13ba267c24ce8488ef4973989bb41e0d282b2e92ee3b2240a0

  • SHA512

    eda7c0f26706727b5bdde7e6290cecbf2d9c12c24bd26faee4593bec548876c4d9972d4c7ef42b08189ca1516ae9cb1553bb9d9a99d583b7e1a7d0db35ccb1ca

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://195.123.220.249/campo/t2/t2

Extracted

Family

trickbot

Version

100012

Botnet

mon88

C2

41.77.134.250:449

45.155.173.242:443

192.162.238.186:449

142.112.79.223:449

122.2.28.70:449

154.126.176.30:449

45.230.244.20:443

182.253.107.34:443

200.52.147.93:443

123.200.26.246:449

131.255.106.152:449

177.85.133.118:449

103.225.138.94:449

142.202.191.164:443

95.210.118.90:449

36.94.62.207:443

201.20.118.122:449

180.92.238.186:449

103.130.6.244:449

202.91.41.138:449

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64
ecc_pubkey.base64

Targets

    • Target

      Attachment_777329.xlsb

    • Size

      81KB

    • MD5

      d19e0a75cd215002029844a3fe636b78

    • SHA1

      9d07f470a0c481e96139434fad28d8e68c914753

    • SHA256

      bcb62eab32937c13ba267c24ce8488ef4973989bb41e0d282b2e92ee3b2240a0

    • SHA512

      eda7c0f26706727b5bdde7e6290cecbf2d9c12c24bd26faee4593bec548876c4d9972d4c7ef42b08189ca1516ae9cb1553bb9d9a99d583b7e1a7d0db35ccb1ca

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Trickbot

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

    • Templ.dll packer

      Detects Templ.dll packer which usually loads Trickbot.

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks