Analysis

  • max time kernel
    122s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-03-2021 15:35

General

  • Target

    March.xlsb

  • Size

    156KB

  • 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

Signatures

  • Process spawned unexpected child process 1 IoCs

    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 3 IoCs

    Detects Templ.dll packer which usually loads Trickbot.

  • Loads dropped DLL 4 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\March.xlsb
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\ProgramData\uveoq\69.dll,DllRegisterServer1
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\system32\wermgr.exe
        C:\Windows\system32\wermgr.exe
        3⤵
          PID:1040
        • C:\Windows\system32\wermgr.exe
          C:\Windows\system32\wermgr.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\uveoq\69.dll

      MD5

      75378e60ba4f150d6adb5468edef655b

      SHA1

      51b17236d40ef2c354916d6f758191b3128bf58d

      SHA256

      ff6554ab27fa28c602add0c4824a651b42f0d9b45e7d0a758ba66e2e650598db

      SHA512

      c101fc303c3c88a982ac10324941d6b67f5b7880b3c98e4eb5a3aa1717688516e25ed70823cdacc02081ab06cc5890588aab396e4970f4c008699ce0289f1683

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      MD5

      aa39c2cc449d85b4cdc1570fda91e840

      SHA1

      8591448e069801f3afd63702a5a1021fd46ee371

      SHA256

      c1d8efe7c3f865dd582e58ba0b1034104dfe90758aeb8c41517201388d429cf9

      SHA512

      39016617261d180b662c5b68607961c2f027799f6d7c51bdf3e053c2140247a92aa3fb76dcd50494d275a67fe636ebedecc2193ddf772924cbaca5b3dd973b25

    • \ProgramData\uveoq\69.dll

      MD5

      75378e60ba4f150d6adb5468edef655b

      SHA1

      51b17236d40ef2c354916d6f758191b3128bf58d

      SHA256

      ff6554ab27fa28c602add0c4824a651b42f0d9b45e7d0a758ba66e2e650598db

      SHA512

      c101fc303c3c88a982ac10324941d6b67f5b7880b3c98e4eb5a3aa1717688516e25ed70823cdacc02081ab06cc5890588aab396e4970f4c008699ce0289f1683

    • \ProgramData\uveoq\69.dll

      MD5

      75378e60ba4f150d6adb5468edef655b

      SHA1

      51b17236d40ef2c354916d6f758191b3128bf58d

      SHA256

      ff6554ab27fa28c602add0c4824a651b42f0d9b45e7d0a758ba66e2e650598db

      SHA512

      c101fc303c3c88a982ac10324941d6b67f5b7880b3c98e4eb5a3aa1717688516e25ed70823cdacc02081ab06cc5890588aab396e4970f4c008699ce0289f1683

    • \ProgramData\uveoq\69.dll

      MD5

      75378e60ba4f150d6adb5468edef655b

      SHA1

      51b17236d40ef2c354916d6f758191b3128bf58d

      SHA256

      ff6554ab27fa28c602add0c4824a651b42f0d9b45e7d0a758ba66e2e650598db

      SHA512

      c101fc303c3c88a982ac10324941d6b67f5b7880b3c98e4eb5a3aa1717688516e25ed70823cdacc02081ab06cc5890588aab396e4970f4c008699ce0289f1683

    • \ProgramData\uveoq\69.dll

      MD5

      75378e60ba4f150d6adb5468edef655b

      SHA1

      51b17236d40ef2c354916d6f758191b3128bf58d

      SHA256

      ff6554ab27fa28c602add0c4824a651b42f0d9b45e7d0a758ba66e2e650598db

      SHA512

      c101fc303c3c88a982ac10324941d6b67f5b7880b3c98e4eb5a3aa1717688516e25ed70823cdacc02081ab06cc5890588aab396e4970f4c008699ce0289f1683

    • memory/1340-24-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1340-2-0x000000002F771000-0x000000002F774000-memory.dmp

      Filesize

      12KB

    • memory/1340-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1340-3-0x00000000718D1000-0x00000000718D3000-memory.dmp

      Filesize

      8KB

    • memory/1524-5-0x000007FEF7D20000-0x000007FEF7F9A000-memory.dmp

      Filesize

      2.5MB

    • memory/1692-20-0x0000000000060000-0x0000000000088000-memory.dmp

      Filesize

      160KB

    • memory/1692-21-0x0000000000120000-0x0000000000121000-memory.dmp

      Filesize

      4KB

    • memory/1692-15-0x0000000000000000-mapping.dmp

    • memory/1728-7-0x0000000076691000-0x0000000076693000-memory.dmp

      Filesize

      8KB

    • memory/1728-18-0x00000000008F0000-0x00000000008F1000-memory.dmp

      Filesize

      4KB

    • memory/1728-19-0x00000000008C1000-0x00000000008C3000-memory.dmp

      Filesize

      8KB

    • memory/1728-16-0x00000000002D0000-0x0000000000306000-memory.dmp

      Filesize

      216KB

    • memory/1728-17-0x0000000000CC0000-0x0000000000D03000-memory.dmp

      Filesize

      268KB

    • memory/1728-13-0x0000000000310000-0x0000000000349000-memory.dmp

      Filesize

      228KB

    • memory/1728-22-0x0000000010000000-0x0000000010037000-memory.dmp

      Filesize

      220KB

    • memory/1728-14-0x0000000000870000-0x00000000008A7000-memory.dmp

      Filesize

      220KB

    • memory/1728-6-0x0000000000000000-mapping.dmp