Overview

overview

10

Static

static

test.txt.exe

windows7_x64

10

test.txt.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-09-2021 09:43

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General

  • Target

    test.txt.exe

  • Size

    329KB

  • MD5

    af6cc661c03857f4cbf6c325ebe27743

  • SHA1

    7fde4507b2430e37c7dc9a1df8904371bc1bf9b2

  • SHA256

    2fc970b717486762f6c890f525329962662074eb632f0827c901fb1081cbd98f

  • SHA512

    13e5fcbb68708f5079aca5fbc875e3d18a88fa591b8d74f208a0ba05b7af3dda55fc41466683a9963d81e41e2c39a9de5a3b0fbc0d7f1c51c28ba070c3a44b61

Score
10/10
osirisbankerbotnet

Malware Config

Signatures

  • Osiris
    bankerbotnetosiris
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\test.txt.exe
    "C:\Users\Admin\AppData\Local\Temp\test.txt.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\x64btit.txt
    MD5

    e5366a5ead8bf0ec08f9e3f4438eaff2

    SHA1

    ce3c49a04fea3c359481e28e6a0b19b3da8c7a43

    SHA256

    479c23364dc24b0896cad7371b3fb35e6d167a38a0f1d567659210364f8ca2b9

    SHA512

    bd6aa869e7f2dd2a8f8bd73bece7d03c810a65af6addef1bc97a8b7f5d8972575b3e870499f52cbc30d1c7d05170ffbd2227d09f17d440d21bfaf694c27ee24a

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

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

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  • memory/1728-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1828-60-0x0000000075801000-0x0000000075803000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1828-61-0x00000000000F0000-0x000000000018F000-memory.dmp
    Filesize

    636KB

    Download