Resubmissions

14-09-2021 02:31

210914-cz6qwsefd9 10

13-09-2021 20:10

210913-yxsxxahdcl 10

13-09-2021 20:05

210913-ytxrpahdcj 3

13-09-2021 18:29

210913-w448eaecc9 10

13-09-2021 17:14

210913-vr22vahcap 3

Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    13-09-2021 18:29

General

  • Target

    currCurrPl.jpg.dll

  • Size

    542KB

  • MD5

    d0cb3cab255e5300af43426963df136c

  • SHA1

    1d4c9fde145c5c42c3e4a7230b96e395fb9ac6bc

  • SHA256

    27557ee7f8721a728a65676740ccc1246f4de3bba9496b467b6ba7e8e0129fc4

  • SHA512

    72768b7ccccbafee0e051dd3f6bb766a058759523fedeaa5dc126e5a4cb9f9d3f29c25c55f2497ceb9bc4239938b0f5ae898b2cf562652d3c248ac8166dddda1

Malware Config

Extracted

Family

trickbot

Version

2000033

Botnet

zem1

C2

179.42.137.102:443

191.36.152.198:443

179.42.137.104:443

179.42.137.106:443

179.42.137.108:443

202.183.12.124:443

194.190.18.122:443

103.56.207.230:443

171.103.187.218:449

171.103.189.118:449

18.139.111.104:443

179.42.137.105:443

186.4.193.75:443

171.101.229.2:449

179.42.137.107:443

103.56.43.209:449

179.42.137.110:443

45.181.207.156:443

197.44.54.162:449

179.42.137.109:443

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

Signatures

  • Trickbot

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\currCurrPl.jpg.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\currCurrPl.jpg.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1056

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1056-62-0x0000000000000000-mapping.dmp
  • memory/1056-63-0x0000000000060000-0x0000000000089000-memory.dmp
    Filesize

    164KB

  • memory/1056-64-0x0000000000110000-0x0000000000111000-memory.dmp
    Filesize

    4KB

  • memory/1664-52-0x000007FEFB591000-0x000007FEFB593000-memory.dmp
    Filesize

    8KB

  • memory/1916-53-0x0000000000000000-mapping.dmp
  • memory/1916-54-0x0000000075231000-0x0000000075233000-memory.dmp
    Filesize

    8KB

  • memory/1916-55-0x0000000010000000-0x0000000010004000-memory.dmp
    Filesize

    16KB

  • memory/1916-57-0x00000000002E0000-0x0000000000318000-memory.dmp
    Filesize

    224KB

  • memory/1916-61-0x0000000000490000-0x0000000000510000-memory.dmp
    Filesize

    512KB

  • memory/1916-60-0x0000000000490000-0x0000000000510000-memory.dmp
    Filesize

    512KB