General

  • Target

    Amruus promo link generator.rar

  • Size

    79KB

  • Sample

    240214-x9rd6sbe33

  • MD5

    0b25d0cf701d9c68ae40085c1afe2e3d

  • SHA1

    0266c00fdcddc3e2f835cfb4109dffe1e7cf32c7

  • SHA256

    8f0352553ab0acb32642074579db93344be53f54c700ee70bef3335db09c6529

  • SHA512

    cb797620225ab96d36f58dd50570e00a71909ad68d5080ce5d85e0e0b8b85ea38aba4487b434973d8c28b61c5a3914f8e7779c488a67f4b3a9d80bd95fcf0b6a

  • SSDEEP

    1536:shAHcE4HDPB61u7iqzzMXCcCwi8vLusrqAVVEHqdO9A745ig8KHQjDy:aAHcEkZqXfC4rqegqY5FL

Score
10/10

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1196551286892535848/BI-4wJMe0VqcV998bhbMUu_wWa9MHqKDsvG2bhmZuynbA6FvVmQpf3BApw4_YqBZ6TZ5

Targets

    • Target

      Amruus promo link generator/Promo link generator.exe

    • Size

      228KB

    • MD5

      4e711e7231a67ebf4278a6ba9e2a1f98

    • SHA1

      9bc200a14d089e0fe869674ee5f4219e86dc3009

    • SHA256

      cfb4919168697ab5bfaa045cbf2c647aa55c1ffc8f5109acf90f2e90af14f40a

    • SHA512

      38ac5f01c19304431f1b862172fd0ed7b67fd8926c94e289a7a9b06a6772b02c7708f9ebeb3263269721d379dede458bd29d16fd6eb81eb500d85b202707ec0f

    • SSDEEP

      6144:BloZMUrIkd8g+EtXHkv/iD409mMN5nsAv9R0STTKg/Yb8e1mIi:zoZrL+EP8gmMN5nsAv9R0STTKBm

    Score
    10/10
    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Drops file in Drivers directory

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks