General

  • Target

    f048e67cc8bab2caf9435c2b90d50e98_JaffaCakes118

  • Size

    3.2MB

  • Sample

    240415-et9xgaec66

  • MD5

    f048e67cc8bab2caf9435c2b90d50e98

  • SHA1

    355013d007818be0492a9901e49b4b08eca97c07

  • SHA256

    a0d24046e0163fe30edd9cf0c27f3a4cd59435b95c2da05bfcfa329c240bf7a2

  • SHA512

    c558df1942ce5634ba1ef23cdf467338a2ce757a0c74c20f19db6ffa158cff718bca550dc1848b462f874f330dff4fd08947b50e9b33d3bd516dae39c7bddcee

  • SSDEEP

    49152:jMb83QBX4PU0ga6edgVVO90D9naQEQEdFEqSpRZFWwDxtKfrtDCV+m1SYj:jWX4PU076TV89S9nhRzqSRy6SLmj

Malware Config

Extracted

Family

cryptbot

C2

bunole21.top

moreid02.top

Targets

    • Target

      f048e67cc8bab2caf9435c2b90d50e98_JaffaCakes118

    • Size

      3.2MB

    • MD5

      f048e67cc8bab2caf9435c2b90d50e98

    • SHA1

      355013d007818be0492a9901e49b4b08eca97c07

    • SHA256

      a0d24046e0163fe30edd9cf0c27f3a4cd59435b95c2da05bfcfa329c240bf7a2

    • SHA512

      c558df1942ce5634ba1ef23cdf467338a2ce757a0c74c20f19db6ffa158cff718bca550dc1848b462f874f330dff4fd08947b50e9b33d3bd516dae39c7bddcee

    • SSDEEP

      49152:jMb83QBX4PU0ga6edgVVO90D9naQEQEdFEqSpRZFWwDxtKfrtDCV+m1SYj:jWX4PU076TV89S9nhRzqSRy6SLmj

    • CryptBot

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

    • CryptBot payload

    • 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.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

2
T1005

Tasks