Resubmissions

02-01-2025 17:34

250102-v5d7yazket 10

02-01-2025 16:25

250102-twzxls1kfq 10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 16:25

General

  • Target

    SolaraExecutor.exe

  • Size

    690KB

  • MD5

    f2fa9c21d9543d8ccbdf62d5a93e2389

  • SHA1

    844101977d9d3e1fb2b8e3bf61f99a77a1cf0a3c

  • SHA256

    024f81f9366285841b3ebd223c0d734978d71532ffb42d32d1ced685f9e33d4f

  • SHA512

    39370f67a108d7e51cd7bb97e34c13e76c2560dbdd726f93bacf6332c0f1e7473c17b7129ff6ce3259f242f850e8a1d29cb9847dacc0c26e058827c7ce17b30b

  • SSDEEP

    12288:tsFQwb0b2PL59QiwwEI9PO7LQahtplxiKxKrPrzA/tvS2oQ/ZiXCzz33ZrgB+TNr:KFQHyPbECPJcDlxiKxKns/1vL/Zi

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://ingreem-eilish.biz/api

Extracted

Family

lumma

C2

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

https://cloudewahsj.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SolaraExecutor.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraExecutor.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 1028
      2⤵
      • Program crash
      PID:1608
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1520 -ip 1520
    1⤵
      PID:4192

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\gdi32.dll

      Filesize

      433KB

      MD5

      87ddb8dce8de1152608b3ba3c30c421a

      SHA1

      1cc599ffd91de94a93b578bb1ac56efe0776f5e5

      SHA256

      79d1305a1832db5ec20a7d7b08e6cda6377884828e74a548287a496097b3c434

      SHA512

      57af66e39687efce94615cfcb59b934104faf07d62b119eec29465e1142c4110d1f956dddce800180e6eb070709d7657b545109ae96b0eb74e6dd0e40058243c

    • memory/1520-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/1520-1-0x0000000000260000-0x0000000000316000-memory.dmp

      Filesize

      728KB

    • memory/1520-2-0x00000000027A0000-0x00000000027A6000-memory.dmp

      Filesize

      24KB

    • memory/1520-9-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/1520-18-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/1520-19-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4808-14-0x00000000006F0000-0x0000000000756000-memory.dmp

      Filesize

      408KB

    • memory/4808-10-0x00000000006F0000-0x0000000000756000-memory.dmp

      Filesize

      408KB

    • memory/4808-17-0x00000000006F0000-0x0000000000756000-memory.dmp

      Filesize

      408KB