Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    16-02-2021 14:19

General

  • Target

    6d0000.exe

  • Size

    434KB

  • MD5

    0450cf37e2dd4058563f73f6ca7940e5

  • SHA1

    c7c0d5c274eadf534eea3203e6c026258144c68e

  • SHA256

    da767e6faf97d73997f397eae71b372a549dd6331bf8ec0ebd398ef8cfe9a47e

  • SHA512

    2d48fe05f18934808609d121e2dff8596016406002f221d90154903b09b40d409f805aba51ed8801ae572f20e1005fc104d83ead4b05eeab7ea39c8063a06ef3

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d0000.exe
    "C:\Users\Admin\AppData\Local\Temp\6d0000.exe"
    1⤵
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:1140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\x64btit.txt
    MD5

    805c9ec4b042b2e718a167a9aab70351

    SHA1

    aab9f4086b284e2f561ca6d438598db348466b05

    SHA256

    33c8e3e2007c2060771f574cdf4b4ee9653af6ed95c4dfc5235f3ff291ea5905

    SHA512

    cdb8cca218f0946a1395f58233bf5be0e00f7a583a9af8a1fdb324ea285a4ad150227602ac024c3ef635b4030afe9eb9b11a5603b7efc9963ee1cb3c4a3a1952

  • \Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • memory/1140-4-0x0000000000000000-mapping.dmp
  • memory/1792-7-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp
    Filesize

    2.5MB

  • memory/1832-2-0x00000000765A1000-0x00000000765A3000-memory.dmp
    Filesize

    8KB