General

  • Target

    0171e9e9eeeb770d96f761afc719ec455f1798fa81f7a0bf99854ea08a11b5b9

  • Size

    75KB

  • Sample

    211021-j478vaaac4

  • MD5

    30386b3f9d7964ad395d9853be17ddc1

  • SHA1

    f442060c820565873539183465a2f5784fee1b63

  • SHA256

    0171e9e9eeeb770d96f761afc719ec455f1798fa81f7a0bf99854ea08a11b5b9

  • SHA512

    aa55e95107d504a7cae31ed7dff9202e3cce145ab4df3d4ba2cc873350d718921c16a25accc693bd5c696e3eccdd53729d7e67cee74e8155f6ced7c4612248c4

Malware Config

Targets

    • Target

      0171e9e9eeeb770d96f761afc719ec455f1798fa81f7a0bf99854ea08a11b5b9

    • Size

      75KB

    • MD5

      30386b3f9d7964ad395d9853be17ddc1

    • SHA1

      f442060c820565873539183465a2f5784fee1b63

    • SHA256

      0171e9e9eeeb770d96f761afc719ec455f1798fa81f7a0bf99854ea08a11b5b9

    • SHA512

      aa55e95107d504a7cae31ed7dff9202e3cce145ab4df3d4ba2cc873350d718921c16a25accc693bd5c696e3eccdd53729d7e67cee74e8155f6ced7c4612248c4

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks