General

  • Target

    ca6b1b3b00d1bdccb7cc73255bc97329.bin

  • Size

    6.4MB

  • Sample

    230322-cc56vaec69

  • MD5

    e100aeeb5e9338496b1c6b3b6a45f33c

  • SHA1

    44638b3a3f4eeec8c4fb7757991e05b30e611131

  • SHA256

    3ca0782c60feb696bc5237bdfa90d09afdd406e767b16f21c9159491d5376d20

  • SHA512

    ba7b46d2b01e10fdaa094fd757fbdf87080cb0badab4be52c5b93e16f971675787a14e7672ae75762c2fa5c3639c9551f8bf22d13283b5f3ae1ddb9de90f2238

  • SSDEEP

    196608:9jLW9DSlqL+tuiUlYpKLdcTbMWWGTuBkVUc:ep8uBYpKgbMWV1Kc

Malware Config

Targets

    • Target

      23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe

    • Size

      6.8MB

    • MD5

      ca6b1b3b00d1bdccb7cc73255bc97329

    • SHA1

      88923d5bf5f29cab5fe3ac66459bc94d709b06a1

    • SHA256

      23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1

    • SHA512

      fd92162cb9fc5f0a22e25b17cf9386034121af061b821531823292778978f7f44c2e51a7eadc07e902560ec8cffd389a40dd32649ffe3782fbf956dc293224b3

    • SSDEEP

      196608:V09b1yxhIsD1xLyVUZIBZjUQHQ8dq9XvjUQ:V09bsBvy2GjeV

    • 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