Resubmissions

28-01-2021 16:49

210128-gd9cenjzne 10

28-01-2021 16:42

210128-e1fb24wmss 10

Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    28-01-2021 16:42

General

  • Target

    asesx.png.dll

  • Size

    3.4MB

  • MD5

    6ebd3ead7ff70ff9badedb980b66728a

  • SHA1

    151afd9f5352fd31fdee9af8b1cfa00afd36dd49

  • SHA256

    02de6c38c553ade4460d627cdcd4db065ee9a59bc0a19d0b6f0b04ecdf38be80

  • SHA512

    df4b54808fd4deb144ea1c6eb058d531013d2b2aebbe69b9c72246192874b02924a9d9fd84f4f2d27207021c5075d8949ab3e69926224fac2dc96f271536db85

Malware Config

Extracted

Family

trickbot

Version

100010

Botnet

rob42

C2

5.34.180.180:443

64.74.160.228:443

198.46.198.116:443

5.34.180.185:443

107.152.46.188:443

195.123.241.214:443

23.254.224.2:443

107.172.188.113:443

200.52.147.93:443

185.198.59.45:443

45.14.226.101:443

185.82.126.38:443

85.204.116.139:443

45.155.173.248:443

103.91.244.50:443

45.230.244.20:443

45.226.124.226:443

187.84.95.6:443

186.250.157.116:443

186.137.85.76:443

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

Signatures

  • Trickbot

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

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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\asesx.png.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\asesx.png.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1224

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/360-2-0x000007FEFB991000-0x000007FEFB993000-memory.dmp
    Filesize

    8KB

  • memory/1224-5-0x0000000000000000-mapping.dmp
  • memory/1224-9-0x0000000000060000-0x0000000000087000-memory.dmp
    Filesize

    156KB

  • memory/1224-10-0x0000000000110000-0x0000000000111000-memory.dmp
    Filesize

    4KB

  • memory/2032-3-0x0000000000000000-mapping.dmp
  • memory/2032-4-0x0000000075C61000-0x0000000075C63000-memory.dmp
    Filesize

    8KB

  • memory/2032-8-0x0000000000291000-0x0000000000293000-memory.dmp
    Filesize

    8KB

  • memory/2032-6-0x0000000000240000-0x0000000000281000-memory.dmp
    Filesize

    260KB

  • memory/2032-7-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/2032-11-0x0000000010000000-0x0000000010003000-memory.dmp
    Filesize

    12KB