General

  • Target

    39a1f23b47f11d5b3e691fdf901aafea.exe

  • Size

    862KB

  • Sample

    220905-rg86machc6

  • MD5

    39a1f23b47f11d5b3e691fdf901aafea

  • SHA1

    cc97907047c8b80321a33630195aa34c9984eeb5

  • SHA256

    428b820b1ffe34eb41bb4ff1909f299b90df21e5b41052b0bd283c212f64fef2

  • SHA512

    3057c1eaea2e482da6e9b3502ce289ca22bd396fb44fd18a484532472fca24c52c1bde043f5b9e32fe832ba93138f8c0e2295c94d766d9f70822e896846df9c8

  • SSDEEP

    12288:Llrs2RbKAlpWE8HS/DmCMJmoA9cDRUkmgc8Wv1tF:ZrUuoE8HCDmNA9cDRUkmgrWv1tF

Malware Config

Extracted

Family

raccoon

Botnet

c7ede4e1d38311f89345e94d76fa9d65

C2

http://45.15.156.11/

rc4.plain

Extracted

Family

redline

C2

78.24.216.5:42717

Attributes
  • auth_value

    6687e352a0604d495c3851d248ebf06f

Targets

    • Target

      39a1f23b47f11d5b3e691fdf901aafea.exe

    • Size

      862KB

    • MD5

      39a1f23b47f11d5b3e691fdf901aafea

    • SHA1

      cc97907047c8b80321a33630195aa34c9984eeb5

    • SHA256

      428b820b1ffe34eb41bb4ff1909f299b90df21e5b41052b0bd283c212f64fef2

    • SHA512

      3057c1eaea2e482da6e9b3502ce289ca22bd396fb44fd18a484532472fca24c52c1bde043f5b9e32fe832ba93138f8c0e2295c94d766d9f70822e896846df9c8

    • SSDEEP

      12288:Llrs2RbKAlpWE8HS/DmCMJmoA9cDRUkmgc8Wv1tF:ZrUuoE8HCDmNA9cDRUkmgrWv1tF

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • YTStealer

      YTStealer is a malware designed to steal YouTube authentication cookies.

    • YTStealer payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks