Resubmissions

23-11-2022 16:58

221123-vhcetsha73 10

23-11-2022 15:40

221123-s4g64aga7w 10

General

  • Target

    newResultprot.exe

  • Size

    3.3MB

  • Sample

    221123-s4g64aga7w

  • MD5

    3ee4cc4a7fe52761e3cb486a6c2d8e3e

  • SHA1

    c96c9bcdcc57cfc497f4b831398145b307c42b73

  • SHA256

    ece849a1ae5c71db8aaac5ad98d2022e05448083120ff3f1f758c2c020d1d03e

  • SHA512

    848e1a6dde72c3e3bdecdfb9bbe8e8e9d126fed1996a95b0294f18aee19f23c61a0d8a8947294a3a01f587edf37a59df11ce249611effd54832cbad940398515

  • SSDEEP

    98304:F49p/IqTL48s8QLbr4jYgc3TZyd2H+L05kJj9878I:Fm5xzgLQjYg6NsvrGQ

Malware Config

Extracted

Family

orcus

Botnet

Isehaaa

C2

graphics-absorption.at.ply.gg:34218

Mutex

0dae1eed35bd43dc93a1d73544aa5ccf

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    C:\Program Files\Java\jdk-19\lib\javaw.exe

  • reconnect_delay

    10000

  • registry_keyname

    javaww

  • taskscheduler_taskname

    javawww

  • watchdog_path

    Temp\Runtime Broker.exe

Targets

    • Target

      newResultprot.exe

    • Size

      3.3MB

    • MD5

      3ee4cc4a7fe52761e3cb486a6c2d8e3e

    • SHA1

      c96c9bcdcc57cfc497f4b831398145b307c42b73

    • SHA256

      ece849a1ae5c71db8aaac5ad98d2022e05448083120ff3f1f758c2c020d1d03e

    • SHA512

      848e1a6dde72c3e3bdecdfb9bbe8e8e9d126fed1996a95b0294f18aee19f23c61a0d8a8947294a3a01f587edf37a59df11ce249611effd54832cbad940398515

    • SSDEEP

      98304:F49p/IqTL48s8QLbr4jYgc3TZyd2H+L05kJj9878I:Fm5xzgLQjYg6NsvrGQ

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus main payload

    • Orcurs Rat Executable

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks