Overview

overview

10

Static

static

10

Arhvn.exe

windows7-x64

10

Arhvn.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Arhvn.exe

  • Size

    90KB

  • Sample

    231011-ljhhssga27

  • MD5

    65bac4256dde1c7d987afa8ef8e9a1c4

  • SHA1

    222922b2ba2f43cfc2049ca578b256d486fcf956

  • SHA256

    f51fe3720ba2e618cc10e6045a948880f6ca2c802466684332bf744e526059e7

  • SHA512

    7d08d19af3eff1a3899a4d039ba273ead5267e075af32b9755cd61ad5349bf6e6c87cbf9cca92893da7c4acecb42d9867f447f2139384e5de86b235c77125d27

  • SSDEEP

    1536:ubRiQMn57SK3bUzZdQ1iIMvnZlbLxjV3AGq5gWlocT1wzySsd9NJ33L:ubRA57SKsstcnZTJQDgWPaySsdH57

Score
10/10
arrowratarrowratpersistencerat

Malware Config

Extracted

Family

arrowrat

Botnet

ArrowRAT

C2

arhvn.duckdns.org:5555

Mutex

fKHUsQQAb.exe

Targets

    • Target

      Arhvn.exe

    • Size

      90KB

    • MD5

      65bac4256dde1c7d987afa8ef8e9a1c4

    • SHA1

      222922b2ba2f43cfc2049ca578b256d486fcf956

    • SHA256

      f51fe3720ba2e618cc10e6045a948880f6ca2c802466684332bf744e526059e7

    • SHA512

      7d08d19af3eff1a3899a4d039ba273ead5267e075af32b9755cd61ad5349bf6e6c87cbf9cca92893da7c4acecb42d9867f447f2139384e5de86b235c77125d27

    • SSDEEP

      1536:ubRiQMn57SK3bUzZdQ1iIMvnZlbLxjV3AGq5gWlocT1wzySsd9NJ33L:ubRA57SKsstcnZTJQDgWPaySsdH57

    Score
    10/10
    arrowratarrowratpersistencerat

    • 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