Overview

overview

10

Static

static

R3P4CK/Setup.exe

windows7_x64

10

R3P4CK/Setup.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b71b505560473d91f00e5f4d3f618851a775e7c70f7cf1fe3759cde75c6bf4e4.rar

  • Size

    3.0MB

  • Sample

    220514-wb81wsdddn

  • MD5

    b6626f9497dd9d5d77bb4dd4c7f77acf

  • SHA1

    7cb50e969fba95e4e5cccedb90a301f82b8edaed

  • SHA256

    b71b505560473d91f00e5f4d3f618851a775e7c70f7cf1fe3759cde75c6bf4e4

  • SHA512

    ea08db4c2de47debc3483f0134b78f1d266cce4cbec4865c992d82a1c5e3e84f62092841c6631f2784e84784b6256e7619d279d97786e300a464576d893966d2

Score
10/10
discoveryevasionexploit

Malware Config

Targets

    • Target

      R3P4CK/Setup.exe

    • Size

      658.7MB

    • MD5

      92f830b3101bd309b56d590e99578fc8

    • SHA1

      f7c6e74ab4f63f09fc062657c5c404139e4de3d7

    • SHA256

      b839a60d0cff7126b15cb0396f563d577fe4ed39cf7827228fa92bf2e5a8505f

    • SHA512

      8cdd25d2ee551d26d4202ef210ed7d2eb01daea26193a4a332e703edf663a4a41808eb2bd661ff376216b23efc5c01729236599aae4227a22d71bf52ac9010af

    Score
    10/10
    discoveryevasionexploit

    • Modifies security service

      evasion

    • Executes dropped EXE

    • Possible privilege escalation attempt

      exploit

    • Stops running service(s)

      evasion

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Tasks