Overview

overview

10

Static

static

kura.exe

windows7_x64

10

kura.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    kura.bin

  • Size

    5.4MB

  • Sample

    220710-qcmldsbefq

  • MD5

    267b0895407346eedf5a755a2fcea505

  • SHA1

    06acec975dfec0fa6447c429b1a3d8e5c6748ea2

  • SHA256

    69e5ba03fcf8c3400542066d8acb6c5738e31bb7057db124757accee742c9836

  • SHA512

    1c0ae6b81ffa3baba7bb25d6291177a1e235c40f7970e399f23e9f8361c28eaa6af4398e9f572ea1094e1cfe16ab659e198035e8478d2df6741be776c6f25a0b

Score
10/10
blackmoonbankerevasionpersistencethemidatrojanupx

Malware Config

Targets

    • Target

      kura.bin

    • Size

      5.4MB

    • MD5

      267b0895407346eedf5a755a2fcea505

    • SHA1

      06acec975dfec0fa6447c429b1a3d8e5c6748ea2

    • SHA256

      69e5ba03fcf8c3400542066d8acb6c5738e31bb7057db124757accee742c9836

    • SHA512

      1c0ae6b81ffa3baba7bb25d6291177a1e235c40f7970e399f23e9f8361c28eaa6af4398e9f572ea1094e1cfe16ab659e198035e8478d2df6741be776c6f25a0b

    Score
    10/10
    blackmoonbankerpersistencethemidatrojanupxevasion

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

      trojanbankerblackmoon

    • Detect Blackmoon payload

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

      evasion

    • Executes dropped EXE

    • Sets DLL path for service in the registry

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks