Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05/02/2022, 08:00

General

  • Target

    f3b9270592d8d5c4c9625804ff0cc7af9983d9800e9a30e0053bdce69c8ba0be.exe

  • Size

    264KB

  • MD5

    dcce33f668f92340669763b0b105339e

  • SHA1

    13b9f370b5e85578adb2447c71e93f6f26a60ff5

  • SHA256

    f3b9270592d8d5c4c9625804ff0cc7af9983d9800e9a30e0053bdce69c8ba0be

  • SHA512

    c5c21c88c4acc9d9e67567907463364f8578f0e1bddba9f36313c2d60a9583f4135c5808cfab15481a45d7caee1348de875e45f32a90524d24966ed88c89a3ef

Malware Config

Extracted

Family

trickbot

Version

1000508

Botnet

ono41

C2

164.132.255.19:443

188.119.113.114:443

176.119.159.147:443

51.254.164.243:443

178.156.202.251:443

185.234.72.24:443

194.5.250.52:443

217.12.209.244:443

185.99.2.123:443

185.198.57.75:443

93.189.42.81:443

148.251.185.186:443

79.137.101.2:443

51.89.115.121:443

91.200.100.84:443

194.5.250.69:443

185.14.30.45:443

185.99.2.142:443

107.175.133.162:443

5.196.247.14:443

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\f3b9270592d8d5c4c9625804ff0cc7af9983d9800e9a30e0053bdce69c8ba0be.exe
    "C:\Users\Admin\AppData\Local\Temp\f3b9270592d8d5c4c9625804ff0cc7af9983d9800e9a30e0053bdce69c8ba0be.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\system32\wermgr.exe
      C:\Windows\system32\wermgr.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3952
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:548
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 185ad559e92837ee557ed0078d729ac2 OzYrfbq1Nky3oYOTMEF1fw.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:3520
  • 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:3016

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1520-130-0x00000000020B0000-0x00000000020DE000-memory.dmp

          Filesize

          184KB

        • memory/1520-133-0x0000000002230000-0x000000000225B000-memory.dmp

          Filesize

          172KB

        • memory/1520-134-0x00000000005D0000-0x00000000005FC000-memory.dmp

          Filesize

          176KB

        • memory/1520-135-0x0000000002200000-0x000000000222A000-memory.dmp

          Filesize

          168KB

        • memory/1520-136-0x0000000000620000-0x0000000000621000-memory.dmp

          Filesize

          4KB

        • memory/1520-137-0x0000000010000000-0x0000000010003000-memory.dmp

          Filesize

          12KB

        • memory/3952-140-0x000001CA0A810000-0x000001CA0AB10000-memory.dmp

          Filesize

          3.0MB