General

  • Target

    March.xlsb

  • Size

    156KB

  • Sample

    210303-n155krzgjj

  • MD5

    aee94cb5bce75ff1d2e9bb2ca41b40e7

  • SHA1

    fa7239382fb2a406efde23ab0e9ef58ef649c5d2

  • SHA256

    394860f08ba108fbf31adeb687c911f381dced87d1fe78607546397cb78cdfb0

  • SHA512

    f748cfb700318762bda70bb4847ddfd1dc6c6681d801d52537cf8b7f76292f92110d1f04a571f2bccf8eac608d90aa707aa18af4cdd52c743e47d8f554dba31c

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://195.123.219.72/haurf/n3/n3

Extracted

Family

trickbot

Version

100013

Botnet

mon102

C2

103.225.138.94:449

122.2.28.70:449

123.200.26.246:449

131.255.106.152:449

142.112.79.223:449

154.126.176.30:449

180.92.238.186:449

187.20.217.129:449

201.20.118.122:449

202.91.41.138:449

95.210.118.90:449

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

Targets

    • Target

      March.xlsb

    • Size

      156KB

    • MD5

      aee94cb5bce75ff1d2e9bb2ca41b40e7

    • SHA1

      fa7239382fb2a406efde23ab0e9ef58ef649c5d2

    • SHA256

      394860f08ba108fbf31adeb687c911f381dced87d1fe78607546397cb78cdfb0

    • SHA512

      f748cfb700318762bda70bb4847ddfd1dc6c6681d801d52537cf8b7f76292f92110d1f04a571f2bccf8eac608d90aa707aa18af4cdd52c743e47d8f554dba31c

    • 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