Overview

overview

10

Static

static

10

a0320a4d93...ce.exe

windows7_x64

10

a0320a4d93...ce.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    1759s
  • max time network
    1597s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    05-07-2022 03:27

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General

  • Target

    a0320a4d93cc8b080f0172e53e112d314c644e52843fef9cf9607b3c8097d4ce.exe

  • Size

    864KB

  • MD5

    3c293fe94c4505814899cbd66384c324

  • SHA1

    381d26446fc1eda1244b996b8afa569d77dce1a8

  • SHA256

    a0320a4d93cc8b080f0172e53e112d314c644e52843fef9cf9607b3c8097d4ce

  • SHA512

    4d08d62021bb40a27f66e2bf19a3735cfea4b68258f884751075c73d00721c2cdf6ee0b94d4972c57863922bac93e18dac25dfd7e4ae9506aef2ff30a02981be

Score
10/10
sakulapersistenceratsuricatatrojan

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

    trojanratsakula
  • Sakula Payload 6 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\a0320a4d93cc8b080f0172e53e112d314c644e52843fef9cf9607b3c8097d4ce.exe
    "C:\Users\Admin\AppData\Local\Temp\a0320a4d93cc8b080f0172e53e112d314c644e52843fef9cf9607b3c8097d4ce.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a0320a4d93cc8b080f0172e53e112d314c644e52843fef9cf9607b3c8097d4ce.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3556

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

Query Registry

1
T1012

System Information Discovery

2
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
    Filesize

    864KB

    MD5

    3de57a5cf432f3df122b061f9cefa478

    SHA1

    03d09cfac0cb2cc21bf37647ce04ac11188d829b

    SHA256

    03057fb6bc1f8f1b41fe88c1baa0e92b7262bddd169bd5d04f6876d6ae1acbfc

    SHA512

    a573ce00f9e047490fff1d881cafc150b74247a88f47c6302924c458780cb8fad563df95a177c562dceee7c87bc5ee97566a0e5e7f841f6f1d4eecf210fb33f3

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

    864KB

    MD5

    3de57a5cf432f3df122b061f9cefa478

    SHA1

    03d09cfac0cb2cc21bf37647ce04ac11188d829b

    SHA256

    03057fb6bc1f8f1b41fe88c1baa0e92b7262bddd169bd5d04f6876d6ae1acbfc

    SHA512

    a573ce00f9e047490fff1d881cafc150b74247a88f47c6302924c458780cb8fad563df95a177c562dceee7c87bc5ee97566a0e5e7f841f6f1d4eecf210fb33f3

    Download Submit
  • memory/1488-130-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

    Download
  • memory/1488-136-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

    Download
  • memory/3016-131-0x0000000000000000-mapping.dmp
    Download
  • memory/3016-134-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

    Download
  • memory/3016-138-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

    Download
  • memory/3092-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3556-137-0x0000000000000000-mapping.dmp
    Download