Analysis

  • max time kernel
    173s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 15:04

General

  • Target

    ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f.exe

  • Size

    1.7MB

  • MD5

    be05248b4cb0985b2c65804f548db8d3

  • SHA1

    bdd6009bcf09fb52d8ec2664a48dfb3d5e90d988

  • SHA256

    ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f

  • SHA512

    d6334fcf4db525e018040ec839163f9b330885746ae52935e4269b43602a3ec1f37ad274014c6d1f09d2c05140677150135526ae677a2b25f879a903f8c994bd

  • SSDEEP

    24576:FxBZxrdKk7Siu3mcZVTVkoHYxiJDo5eantrwHsD8Xw2ugSG9EkCu1vDewil4Ml5l:HhdKJBZVT+f35RdI3vEkZpDe7OMB

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 58 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f.exe
    "C:\Users\Admin\AppData\Local\Temp\ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • NTFS ADS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f.exe
      "C:\Users\Admin\AppData\Local\Temp\ac9db121f9bffe93135fc8409d427bb1d555430cad35db2dcc37af0477d95e6f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4132
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        3⤵
        • Executes dropped EXE
        PID:2216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 1076
      2⤵
      • Program crash
      PID:4288
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4384 -ip 4384
    1⤵
      PID:1456

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Command and Control

    Connection Proxy

    1
    T1090

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      Filesize

      3KB

      MD5

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      Filesize

      3KB

      MD5

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

    • C:\Users\Admin\AppData\Local\Temp\x64btit.txt
      Filesize

      28B

      MD5

      74537c43a09479d390016b439f5916f2

      SHA1

      4de04184b626cf9e0920e8f1d9a48ee199b967c4

      SHA256

      6378ecbc0b73add4a39c049773bf9994b9a67e7f25bce2e2be53c8da7329993f

      SHA512

      d08836426e8c7f92a3c9734be317e4f567685fd2c24f4ad74af5f318dab21334f4d4aaf81d502d014b0d647005c2b38787735ac0a4eb6b6a635914dc26c108aa

    • memory/2216-154-0x0000000000000000-mapping.dmp
    • memory/4132-153-0x0000000000570000-0x000000000060F000-memory.dmp
      Filesize

      636KB

    • memory/4132-152-0x0000000000400000-0x0000000000456000-memory.dmp
      Filesize

      344KB

    • memory/4132-157-0x0000000000570000-0x000000000060F000-memory.dmp
      Filesize

      636KB

    • memory/4132-150-0x0000000000400000-0x0000000000456000-memory.dmp
      Filesize

      344KB

    • memory/4132-146-0x0000000000000000-mapping.dmp
    • memory/4132-147-0x0000000000400000-0x0000000000456000-memory.dmp
      Filesize

      344KB

    • memory/4384-145-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-144-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-132-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-142-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-141-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-140-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-143-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB

    • memory/4384-134-0x0000000002480000-0x00000000025B5000-memory.dmp
      Filesize

      1.2MB

    • memory/4384-159-0x0000000000400000-0x0000000000655000-memory.dmp
      Filesize

      2.3MB