General

  • Target

    41af7998ebb519e0a0ca9635a865be5d_JaffaCakes118

  • Size

    2.2MB

  • Sample

    240514-qv9hwahe82

  • MD5

    41af7998ebb519e0a0ca9635a865be5d

  • SHA1

    68a7613a8d4483efb67f3794c245420e0daf2f95

  • SHA256

    f05dc2ebf5bebbe40f1698489b873adcbefa41c98afe544fa04fd1ded91c9189

  • SHA512

    31af03c31f0568ae57aab30c3d320a5505f3106ffd02c19b9bb5c740f76af332b27d929fca715029bfd49f2a0f404643616f0f88ab4f115693949688112ac5bb

  • SSDEEP

    49152:OULOXCsxeOrcY1kC2Palwy7FoSzWXxplecp6Qqst5J:hqyszw0kC2zyFkX4cp6ct3

Malware Config

Extracted

Family

cryptbot

C2

cede04.info

Targets

    • Target

      41af7998ebb519e0a0ca9635a865be5d_JaffaCakes118

    • Size

      2.2MB

    • MD5

      41af7998ebb519e0a0ca9635a865be5d

    • SHA1

      68a7613a8d4483efb67f3794c245420e0daf2f95

    • SHA256

      f05dc2ebf5bebbe40f1698489b873adcbefa41c98afe544fa04fd1ded91c9189

    • SHA512

      31af03c31f0568ae57aab30c3d320a5505f3106ffd02c19b9bb5c740f76af332b27d929fca715029bfd49f2a0f404643616f0f88ab4f115693949688112ac5bb

    • SSDEEP

      49152:OULOXCsxeOrcY1kC2Palwy7FoSzWXxplecp6Qqst5J:hqyszw0kC2zyFkX4cp6ct3

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads user/profile data of web browsers

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks