Resubmissions

19-08-2021 15:32

210819-m2ynmcjlss 10

27-07-2021 09:15

210727-ldxh9zwtks 10

Analysis

  • max time kernel
    103s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 09:15

General

  • Target

    959401845a0e916f9478c5858cf9531f2af3114bd4306d11b8e291cb1a6dd7e4.exe

  • Size

    355KB

  • MD5

    2c44c5d73e41faa18291e4e6cfe28018

  • SHA1

    d2f716026a1c3cada8f047fb8481bc87b504443a

  • SHA256

    959401845a0e916f9478c5858cf9531f2af3114bd4306d11b8e291cb1a6dd7e4

  • SHA512

    372fc2a73d413aef039d657190ff5e8dd2934078cd4b24a2220939707037ac3ad174aead86d92315161f13682affd28b8daf24aa86ca0bd1e89170ddafffdeba

Malware Config

Extracted

Family

trickbot

Version

100018

Botnet

lib102

C2

38.110.103.124:443

185.56.76.28:443

204.138.26.60:443

60.51.47.65:443

74.85.157.139:443

68.69.26.182:443

38.110.103.136:443

38.110.103.18:443

138.34.28.219:443

185.56.76.94:443

217.115.240.248:443

24.162.214.166:443

80.15.2.105:443

154.58.23.192:443

38.110.100.104:443

45.36.99.184:443

185.56.76.108:443

185.56.76.72:443

138.34.28.35:443

97.83.40.67:443

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

Signatures

  • Trickbot

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\959401845a0e916f9478c5858cf9531f2af3114bd4306d11b8e291cb1a6dd7e4.exe
    "C:\Users\Admin\AppData\Local\Temp\959401845a0e916f9478c5858cf9531f2af3114bd4306d11b8e291cb1a6dd7e4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Windows\system32\wermgr.exe
      C:\Windows\system32\wermgr.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
        PID:1532

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1268-59-0x0000000075591000-0x0000000075593000-memory.dmp
      Filesize

      8KB

    • memory/1268-60-0x0000000000400000-0x000000000044A000-memory.dmp
      Filesize

      296KB

    • memory/1268-61-0x0000000000150000-0x0000000000161000-memory.dmp
      Filesize

      68KB

    • memory/1268-62-0x0000000010001000-0x0000000010003000-memory.dmp
      Filesize

      8KB

    • memory/1500-63-0x0000000000000000-mapping.dmp
    • memory/1500-64-0x00000000000E0000-0x0000000000109000-memory.dmp
      Filesize

      164KB

    • memory/1500-65-0x0000000000190000-0x0000000000191000-memory.dmp
      Filesize

      4KB