Resubmissions

28-03-2022 13:16

220328-qh282aacb8 10

Analysis

  • max time kernel
    301s
  • max time network
    269s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    28-03-2022 13:16

General

  • Target

    SimilarMinera_216fdfc8c6d0cb1bd6803766a9cba13c8a9085d28be87d20227934cdd36072c0.bin.exe

  • Size

    566KB

  • MD5

    e57371ccf3a52c307865c55afbef572a

  • SHA1

    051b676e10b153b74d1e58ef722969b05b2d3bea

  • SHA256

    216fdfc8c6d0cb1bd6803766a9cba13c8a9085d28be87d20227934cdd36072c0

  • SHA512

    a3433f38538fcccb0edd91db0581854d5976cfb078fdf7157031ae26292d43e852760ef48c7e80f63ff9649cf48f62231ee940ca3ae2c5633e3f205807ff5691

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SimilarMinera_216fdfc8c6d0cb1bd6803766a9cba13c8a9085d28be87d20227934cdd36072c0.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\SimilarMinera_216fdfc8c6d0cb1bd6803766a9cba13c8a9085d28be87d20227934cdd36072c0.bin.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:3708

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Command and Control

Connection Proxy

1
T1090

Replay Monitor

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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

    01c160f67be9db8b72a3c039105a5961

    SHA1

    e5b790802a9bd622656e0249b7dab464eb10db05

    SHA256

    0cf4e6134c90c91663f97b3759f14dac365a646ac28a4eb54409d2f19b2f82e9

    SHA512

    71f6928f52e4624b5ffb16ea04d838b6bc9beed76e6692047eac8a43ce4a1202073c63170fbdd8207889e4b6094fd4a96534eb6da082f570327b2f4f03f9a700

  • memory/2000-130-0x00000000021C0000-0x0000000002218000-memory.dmp
    Filesize

    352KB

  • memory/2000-132-0x0000000002280000-0x0000000002329000-memory.dmp
    Filesize

    676KB

  • memory/2000-131-0x0000000000400000-0x0000000000490000-memory.dmp
    Filesize

    576KB

  • memory/3708-133-0x0000000000000000-mapping.dmp