General

  • Target

    79d694b6013391578dcb6b0dddd21994_JaffaCakes118

  • Size

    2.1MB

  • Sample

    240527-vj39yaah91

  • MD5

    79d694b6013391578dcb6b0dddd21994

  • SHA1

    ab6ed57debc6eea81fde739926aeef08aaccae10

  • SHA256

    e8ce5ad5f725d815f30881cbc45cd4fecd528d4e74f18654d11816c07964bf2e

  • SHA512

    dcda7e5d2a4e3ceb70413cc18fb0c185e033541a5838643b6c620f2197691655a458a0d05604606b32a680ce9e83ff51f3f694f32dba453bdf454ca3ac7b941d

  • SSDEEP

    49152:avQex8xXSUvxfxjO/x5f+2vMkZ2hKAh1tRF4K0pMqLtfkCxJh:avQ08xXFvxfRux5G2vdZb674K0pMqLtj

Malware Config

Extracted

Family

cryptbot

C2

hbv01.info

Targets

    • Target

      79d694b6013391578dcb6b0dddd21994_JaffaCakes118

    • Size

      2.1MB

    • MD5

      79d694b6013391578dcb6b0dddd21994

    • SHA1

      ab6ed57debc6eea81fde739926aeef08aaccae10

    • SHA256

      e8ce5ad5f725d815f30881cbc45cd4fecd528d4e74f18654d11816c07964bf2e

    • SHA512

      dcda7e5d2a4e3ceb70413cc18fb0c185e033541a5838643b6c620f2197691655a458a0d05604606b32a680ce9e83ff51f3f694f32dba453bdf454ca3ac7b941d

    • SSDEEP

      49152:avQex8xXSUvxfxjO/x5f+2vMkZ2hKAh1tRF4K0pMqLtfkCxJh:avQ08xXFvxfRux5G2vdZb674K0pMqLtj

    • 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