General

  • Target

    67705d481158934ba9bf1785c56072a7.exe

  • Size

    6MB

  • Sample

    230410-j548ksgb93

  • MD5

    67705d481158934ba9bf1785c56072a7

  • SHA1

    ff5a7c90f12240ea409ba452adbc913cbce61d73

  • SHA256

    a9b3f51f97dcb1ed34cc2b9d1664b597b38bdb7f6efc21418489b8e970b4c2cc

  • SHA512

    9aea9544f46570e50c2a298a942f672d19611bd5febd1ee3bd9df2fb4476fa26875276adce9bde1cb84c1a0fb739c3c08107848bfc97cfd673b6a6a5cabbd111

  • SSDEEP

    98304:/7gtOaxhH6+qLjWiaeFqaowwhXcRIVDNbTeGQtkpip:COQLeFRoeRIbTeGq

Malware Config

Targets

    • Target

      67705d481158934ba9bf1785c56072a7.exe

    • Size

      6MB

    • MD5

      67705d481158934ba9bf1785c56072a7

    • SHA1

      ff5a7c90f12240ea409ba452adbc913cbce61d73

    • SHA256

      a9b3f51f97dcb1ed34cc2b9d1664b597b38bdb7f6efc21418489b8e970b4c2cc

    • SHA512

      9aea9544f46570e50c2a298a942f672d19611bd5febd1ee3bd9df2fb4476fa26875276adce9bde1cb84c1a0fb739c3c08107848bfc97cfd673b6a6a5cabbd111

    • SSDEEP

      98304:/7gtOaxhH6+qLjWiaeFqaowwhXcRIVDNbTeGQtkpip:COQLeFRoeRIbTeGq

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

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

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • 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

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks