General

  • Target

    599521240e6a427b72e4f6a2568a3aef.exe

  • Size

    7MB

  • Sample

    230403-kpavgadf99

  • MD5

    599521240e6a427b72e4f6a2568a3aef

  • SHA1

    62afee0eab76bd7ec060ffcc8d8dc6d6b146f1d5

  • SHA256

    b73d6d65ce2752dfd87d6f2c6e2577241d38ab680bd7f67aa33ea6a481fb1411

  • SHA512

    2063d5f022758f5b0d552a01a48ebf0139d7ede97a37d5ac3a718990197ee5b70e1c8293a43288f194a1f717d759693d097b0177b59789a5598233dc2b08c729

  • SSDEEP

    196608:gWX4aiabu+SDBntpo4zZTfySW26SoX2fAk2wVn/YTajlH6iuaSL:p4X+SHpo4zZDdW26SoX62wJYWjlH6NL

Malware Config

Targets

    • Target

      599521240e6a427b72e4f6a2568a3aef.exe

    • Size

      7MB

    • MD5

      599521240e6a427b72e4f6a2568a3aef

    • SHA1

      62afee0eab76bd7ec060ffcc8d8dc6d6b146f1d5

    • SHA256

      b73d6d65ce2752dfd87d6f2c6e2577241d38ab680bd7f67aa33ea6a481fb1411

    • SHA512

      2063d5f022758f5b0d552a01a48ebf0139d7ede97a37d5ac3a718990197ee5b70e1c8293a43288f194a1f717d759693d097b0177b59789a5598233dc2b08c729

    • SSDEEP

      196608:gWX4aiabu+SDBntpo4zZTfySW26SoX2fAk2wVn/YTajlH6iuaSL:p4X+SHpo4zZDdW26SoX62wJYWjlH6NL

    • 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