Overview

overview

10

Static

static

10

a5e7d573e9...0d.exe

windows7-x64

10

a5e7d573e9...0d.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    a5e7d573e91033eb9bc300186f754394a91a114c73a6661d31dfb8225209030d

  • Size

    312KB

  • Sample

    240226-1xefmahc38

  • MD5

    ae68f525110174d36fd0a78f728ec1ac

  • SHA1

    a1e118f23dfc15269400bd059d5960caf01a6ebe

  • SHA256

    a5e7d573e91033eb9bc300186f754394a91a114c73a6661d31dfb8225209030d

  • SHA512

    acdb4617b5c8aca3cab43d5af963f076d14bd9a55b4b0ad95f65490ee125022424453a1b0fd71776205027b1fc266e5918db44a7b81bb0d29befb34b1d8d741b

  • SSDEEP

    6144:yMNCha6O+chMWnhE/deKaG6+9DzZzNIT9OsUp9kBbCSCH/:yMNCha6O+EMcKFJ6+93ZuokBWS

Score
10/10
arkeinjratdefaultevasionpersistencestealertrojan

Malware Config

Extracted

Family

arkei

Botnet

Default

Targets

    • Target

      a5e7d573e91033eb9bc300186f754394a91a114c73a6661d31dfb8225209030d

    • Size

      312KB

    • MD5

      ae68f525110174d36fd0a78f728ec1ac

    • SHA1

      a1e118f23dfc15269400bd059d5960caf01a6ebe

    • SHA256

      a5e7d573e91033eb9bc300186f754394a91a114c73a6661d31dfb8225209030d

    • SHA512

      acdb4617b5c8aca3cab43d5af963f076d14bd9a55b4b0ad95f65490ee125022424453a1b0fd71776205027b1fc266e5918db44a7b81bb0d29befb34b1d8d741b

    • SSDEEP

      6144:yMNCha6O+chMWnhE/deKaG6+9DzZzNIT9OsUp9kBbCSCH/:yMNCha6O+EMcKFJ6+93ZuokBWS

    Score
    10/10
    arkeinjratdefaultevasionpersistencestealertrojan

    • Arkei

      Arkei is an infostealer written in C++.

      stealerarkei

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks