Overview

overview

10

Static

static

81e2ddde71...fb.exe

windows7_x64

10

81e2ddde71...fb.exe

windows10_x64

10

Analysis

  • max time kernel
    159s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-09-2021 13:19

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General

  • Target

    81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe

  • Size

    1.2MB

  • MD5

    a1f481baa8334ad8a5c65919af2b6346

  • SHA1

    aec7cd3a72d96948bf741bba48048c1b5cf3f036

  • SHA256

    81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb

  • SHA512

    e0c28dabe65224c2a40612e18807dc7ccdb58168be304f38f625936b1ebbdf1a6233f6e8f3d3a676e9c82ae3d9e6477cdeac8299c670ae3676b3ca4c3fc434a8

Score
10/10
osirisbankerbotnet

Malware Config

Signatures

  • Osiris
    bankerbotnetosiris
  • Executes dropped EXE 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe
    "C:\Users\Admin\AppData\Local\Temp\81e2ddde718f731a46f765b613be06c7f77a5f43436c542fe5ac7218108228fb.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:2616
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:3044

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Connection Proxy

    1
    T1090

    Impact

    Replay Monitor

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    Downloads

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

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

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

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

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

      cf5f182f89056dd1ba2bbf755903a1e7

      SHA1

      90cf9be08fbf71f96464fef521cfe81c035a6a16

      SHA256

      50c0c491d6e9a023fc22e184f2b40c0b6bea9eedff34570bec3d20e92d8293a7

      SHA512

      d65f7a8c6e888261ad28b521740ca9e69e8757cda49595fd7ea7df6704c157a9088e6292de051f9e910b473e8f63319edaf4595ec01eb73df5bd96e8dafd89de

      Download Submit
    • memory/2284-115-0x00000000007A0000-0x00000000007A1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2284-117-0x0000000002830000-0x0000000002912000-memory.dmp
      Filesize

      904KB

      Download
    • memory/2284-118-0x0000000000400000-0x0000000000545000-memory.dmp
      Filesize

      1.3MB

      Download
    • memory/2284-119-0x0000000002980000-0x0000000002A1F000-memory.dmp
      Filesize

      636KB

      Download
    • memory/2616-116-0x0000000000000000-mapping.dmp
      Download
    • memory/3044-120-0x0000000000000000-mapping.dmp
      Download