Overview

overview

10

Static

static

10

bSU4.exe

windows7-x64

10

bSU4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bSU4.exe

  • Size

    138KB

  • Sample

    240114-fsvltsdeh2

  • MD5

    4b1ce3fe71b14c655755251616d61766

  • SHA1

    9941994468ad58962f5063ae0d1998790b577744

  • SHA256

    63ab8bad7e72c1c4044743b0de2efd791a4f9bf12e85b2bd973b7309d50eafc8

  • SHA512

    dd87f5d2bb7a4a903981de9156e6249c514b138747300ceb84bf0e230c38010a34f51df17717b73c5e9dece2524c61ffcbe4015ec0b59e85c477aeb92d9530ae

  • SSDEEP

    3072:qbvF5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YM:qbvzS7BqjjYHdrqkL/

Score
10/10
arrowratsub70fpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

SUB70F

C2

instruments-george.gl.at.ply.gg:12129

Mutex

58PJXL

Targets

    • Target

      bSU4.exe

    • Size

      138KB

    • MD5

      4b1ce3fe71b14c655755251616d61766

    • SHA1

      9941994468ad58962f5063ae0d1998790b577744

    • SHA256

      63ab8bad7e72c1c4044743b0de2efd791a4f9bf12e85b2bd973b7309d50eafc8

    • SHA512

      dd87f5d2bb7a4a903981de9156e6249c514b138747300ceb84bf0e230c38010a34f51df17717b73c5e9dece2524c61ffcbe4015ec0b59e85c477aeb92d9530ae

    • SSDEEP

      3072:qbvF5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YM:qbvzS7BqjjYHdrqkL/

    Score
    10/10
    arrowratsub70fpersistencerat

    • ArrowRat

      Remote access tool with various capabilities first seen in late 2021.

      ratarrowrat

    • Modifies Installed Components in the registry

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks