Resubmissions

09-03-2024 09:55

240309-lx3qwsef83 10

09-03-2024 09:49

240309-ltvk4sef73 10

General

  • Target

    custom1.exe

  • Size

    24.9MB

  • Sample

    240309-lx3qwsef83

  • MD5

    4e1c29f0c1af62ddea916c6b80548c76

  • SHA1

    38d9f15356b6a65f4e76ee739867d55b01493793

  • SHA256

    13b863f0e32c4e25af5b2e323bddf6ea7f8fde1c3dc53bbc463d5a0e9c666882

  • SHA512

    f863e54437a36b53f91057f74bdbfcaed90c93256333afe978be5f7b73b417a74084d3a92afe4b6ceea96fd909997cf22b30612c43d6d0d27c64c0bba7db9c28

  • SSDEEP

    49152:lfRW10dDWeHzJhNF/CBpOqqUe00zCMe8KfFo:lfw1yaeHLNF/22UwCL8yF

Malware Config

Extracted

Family

icarusstealer

Attributes
  • payload_url

    https://blackhatsec.org/add.jpg

    https://blackhatsec.org/remove.jpg

Targets

    • Target

      custom1.exe

    • Size

      24.9MB

    • MD5

      4e1c29f0c1af62ddea916c6b80548c76

    • SHA1

      38d9f15356b6a65f4e76ee739867d55b01493793

    • SHA256

      13b863f0e32c4e25af5b2e323bddf6ea7f8fde1c3dc53bbc463d5a0e9c666882

    • SHA512

      f863e54437a36b53f91057f74bdbfcaed90c93256333afe978be5f7b73b417a74084d3a92afe4b6ceea96fd909997cf22b30612c43d6d0d27c64c0bba7db9c28

    • SSDEEP

      49152:lfRW10dDWeHzJhNF/CBpOqqUe00zCMe8KfFo:lfw1yaeHLNF/22UwCL8yF

    • IcarusStealer

      Icarus is a modular stealer written in C# First adverts in July 2022.

    • Modifies Installed Components in the registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks