Overview

overview

10

Static

static

7

a00b8f8bc6...c0.exe

windows7_x64

10

a00b8f8bc6...c0.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a00b8f8bc69f5c71136f4f4dc60e6ac0

  • Size

    3.3MB

  • Sample

    220205-s9ctkadbel

  • MD5

    a00b8f8bc69f5c71136f4f4dc60e6ac0

  • SHA1

    8be1e7ea88fff28314d0d52ded564bdca8654ce4

  • SHA256

    427abc2035bd94beb2512e021757f81b9fbac201eb72018296889a8509e56072

  • SHA512

    edb33962b03120a6aada572723a4fcc8ae16968f516c91587f0a243e00816360187dc791a25f23aa69afb96b25381a68bd96558e8305ff10fb6de98957f66ed0

Score
10/10
evasionpersistencesuricatathemidatrojan

Malware Config

Targets

    • Target

      a00b8f8bc69f5c71136f4f4dc60e6ac0

    • Size

      3.3MB

    • MD5

      a00b8f8bc69f5c71136f4f4dc60e6ac0

    • SHA1

      8be1e7ea88fff28314d0d52ded564bdca8654ce4

    • SHA256

      427abc2035bd94beb2512e021757f81b9fbac201eb72018296889a8509e56072

    • SHA512

      edb33962b03120a6aada572723a4fcc8ae16968f516c91587f0a243e00816360187dc791a25f23aa69afb96b25381a68bd96558e8305ff10fb6de98957f66ed0

    Score
    10/10
    evasionpersistencesuricatathemidatrojan

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

      suricata

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks