General

  • Target

    MapColor.exe

  • Size

    11KB

  • Sample

    240320-xjwwzaga36

  • MD5

    96105cbf8b1663718b07e01a112ad1d7

  • SHA1

    190a352854f9e35a37082fc03afd917f25a1d595

  • SHA256

    10dc10518c71d9ffe98d058f8e8c7f597f4164f2ed5ce38920254498f2700d86

  • SHA512

    dab3e690633587669c1367a877724c44bb7ce29bdb6d5021de5aa9ed16a20317dfe1cf7e6c39503852f86395ffea11fa507ff2a0dbc37f2f9a10813a1111fbe1

  • SSDEEP

    192:2DLp5j7Mpmi3OUBRRTB56mEPMD5psbE4P7IuiVMDflhwY:snW3OUBR756OpsbE4yVsflhw

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1220069539069563050/zxN4Ew3bBFIRZqePrUxrfkpmDDY33Gr-evzJR44SuGBJ33mnvW2lhPf61k1Eo_Z2Cy1C

Targets

    • Target

      MapColor.exe

    • Size

      11KB

    • MD5

      96105cbf8b1663718b07e01a112ad1d7

    • SHA1

      190a352854f9e35a37082fc03afd917f25a1d595

    • SHA256

      10dc10518c71d9ffe98d058f8e8c7f597f4164f2ed5ce38920254498f2700d86

    • SHA512

      dab3e690633587669c1367a877724c44bb7ce29bdb6d5021de5aa9ed16a20317dfe1cf7e6c39503852f86395ffea11fa507ff2a0dbc37f2f9a10813a1111fbe1

    • SSDEEP

      192:2DLp5j7Mpmi3OUBRRTB56mEPMD5psbE4P7IuiVMDflhwY:snW3OUBR756OpsbE4yVsflhw

    • Detect Umbral payload

    • Umbral

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

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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