General

  • Target

    13842292b894939dabc62c2370c0094c_JaffaCakes118

  • Size

    4.2MB

  • Sample

    240504-trx78aah8t

  • MD5

    13842292b894939dabc62c2370c0094c

  • SHA1

    405bfa3788bcf6fbab169e90442134f4e9bedeb9

  • SHA256

    9a1d6cabb8a80b1ff7ac31d8c01f3522ca64860a8b9816eda57d44d7e994ec5a

  • SHA512

    6e77bea261b8100d2288f8ee8f13fef033a2dc3a8d45d4198fe955bec63b82e66d6f1d542b3767e498188251d951825caaf44e4a9a40e0f15e185f59d3e828b3

  • SSDEEP

    98304:hFhmmnjy6kFUpuf0xK/7UqS+Xv7yn3EeeQ069sWU/:hFhvm6kykf0xK/TBXmn33eCsl

Malware Config

Extracted

Family

cryptbot

C2

bibinene01.top

moraass05.top

Targets

    • Target

      13842292b894939dabc62c2370c0094c_JaffaCakes118

    • Size

      4.2MB

    • MD5

      13842292b894939dabc62c2370c0094c

    • SHA1

      405bfa3788bcf6fbab169e90442134f4e9bedeb9

    • SHA256

      9a1d6cabb8a80b1ff7ac31d8c01f3522ca64860a8b9816eda57d44d7e994ec5a

    • SHA512

      6e77bea261b8100d2288f8ee8f13fef033a2dc3a8d45d4198fe955bec63b82e66d6f1d542b3767e498188251d951825caaf44e4a9a40e0f15e185f59d3e828b3

    • SSDEEP

      98304:hFhmmnjy6kFUpuf0xK/7UqS+Xv7yn3EeeQ069sWU/:hFhvm6kykf0xK/TBXmn33eCsl

    • 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.

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • 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.

    • 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

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks