Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05/02/2022, 08:09

General

  • Target

    f107b919bfcf9aa33c7ea65f054f7a70871dc4b1999b5b11110f79214d581dd3.exe

  • Size

    364KB

  • MD5

    5266a3a231ba7b5600bf79bff529bbe1

  • SHA1

    abf0a595e42dcc16ecac7a3850eab95d4bccaf77

  • SHA256

    f107b919bfcf9aa33c7ea65f054f7a70871dc4b1999b5b11110f79214d581dd3

  • SHA512

    97b250176b05336d26b2a57d6738b93204e6a268b2ae677b2c33a9cabd6098c22ba61292acd2c8562e95ea938a0e38675a67c4461184ff63efcd63b6739b77b2

Malware Config

Extracted

Family

trickbot

Version

1000507

Botnet

ono38

C2

51.89.115.112:443

185.141.27.225:443

151.80.212.114:443

5.182.210.178:443

188.119.113.60:443

91.235.129.199:443

185.234.72.193:443

194.5.250.200:443

185.14.29.141:443

185.99.2.197:443

185.234.72.50:443

194.5.250.201:443

108.170.61.186:443

217.12.209.159:443

185.99.2.44:443

51.89.115.108:443

164.68.120.58:443

164.132.255.19:443

148.251.185.164:443

94.250.250.69:443

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Trickbot

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

  • Dave packer 2 IoCs

    Detects executable using a packer named 'Dave' by the community, based on a string at the end.

  • Sets service image path in registry 2 TTPs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f107b919bfcf9aa33c7ea65f054f7a70871dc4b1999b5b11110f79214d581dd3.exe
    "C:\Users\Admin\AppData\Local\Temp\f107b919bfcf9aa33c7ea65f054f7a70871dc4b1999b5b11110f79214d581dd3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Windows\system32\wermgr.exe
      C:\Windows\system32\wermgr.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3904
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:4012
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe b18bc8272e08a9a2184c4e225f8822c2 CxHR5RGx/Uqa7bQsSyzkBw.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:736
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:1156

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3528-130-0x00000000021D0000-0x0000000002232000-memory.dmp

          Filesize

          392KB

        • memory/3528-133-0x0000000002270000-0x000000000229F000-memory.dmp

          Filesize

          188KB

        • memory/3528-134-0x00000000021D0000-0x0000000002200000-memory.dmp

          Filesize

          192KB

        • memory/3528-135-0x0000000002240000-0x000000000226E000-memory.dmp

          Filesize

          184KB

        • memory/3528-139-0x0000000010000000-0x0000000010003000-memory.dmp

          Filesize

          12KB

        • memory/3528-138-0x00000000022A0000-0x00000000022A1000-memory.dmp

          Filesize

          4KB

        • memory/3904-140-0x000001ABD1E50000-0x000001ABD1E74000-memory.dmp

          Filesize

          144KB