Overview

overview

10

Static

static

10

bf3b720b59...48.exe

windows7_x64

10

bf3b720b59...48.exe

windows10_x64

10

Analysis

  • max time kernel
    132s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-09-2021 13:24

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General

  • Target

    bf3b720b594dffc9beaf98e51f00f7c05fdde0a4ef554eb54611d8497b185348.exe

  • Size

    150KB

  • MD5

    9640c0c25e279327d12a52a5e596724d

  • SHA1

    81efd5b75ec8e7e4fc5a063a2ab26bb1e21f8b4c

  • SHA256

    bf3b720b594dffc9beaf98e51f00f7c05fdde0a4ef554eb54611d8497b185348

  • SHA512

    eda7bc138ce9656e80e4aa27990c1275795a92dac4fd7c93f8cb594e31b066bf1751fa7640b75db0f71986cf35beb324822959d679cfd1b6d0102d6e79f94bf7

Score
10/10
sakulapersistenceratsuricatatrojan

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

    trojanratsakula
  • Sakula Payload 2 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata
  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf3b720b594dffc9beaf98e51f00f7c05fdde0a4ef554eb54611d8497b185348.exe
    "C:\Users\Admin\AppData\Local\Temp\bf3b720b594dffc9beaf98e51f00f7c05fdde0a4ef554eb54611d8497b185348.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:604
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\bf3b720b594dffc9beaf98e51f00f7c05fdde0a4ef554eb54611d8497b185348.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    3950c1257b748c88d59da52eb30da835

    SHA1

    1452a51b66b2b5f6bd2a360859837cc363f12f28

    SHA256

    5199fb482f75b7b988714ba09512566a51ea0fc1171d2976541e8c5c0499b5b6

    SHA512

    b56ee018e502683b98c3eb9d5b4c079ee29e476047c9060b2615b69f6f48f04ad9ece8a5bde1610cdae5a1a3aa83e5f6db852b4950d40002489999b0fd003e02

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

    3950c1257b748c88d59da52eb30da835

    SHA1

    1452a51b66b2b5f6bd2a360859837cc363f12f28

    SHA256

    5199fb482f75b7b988714ba09512566a51ea0fc1171d2976541e8c5c0499b5b6

    SHA512

    b56ee018e502683b98c3eb9d5b4c079ee29e476047c9060b2615b69f6f48f04ad9ece8a5bde1610cdae5a1a3aa83e5f6db852b4950d40002489999b0fd003e02

    Download Submit
  • memory/672-114-0x0000000000000000-mapping.dmp
    Download
  • memory/1124-117-0x0000000000000000-mapping.dmp
    Download
  • memory/1376-118-0x0000000000000000-mapping.dmp
    Download