Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 03:33

General

  • Target

    5eb0fb76f754d9026127b4b9b15d581890eebe8f3d99bf1c13d61f41efe25da6.exe

  • Size

    13KB

  • MD5

    be951641ba5b2620a2d4e9b9e9568e76

  • SHA1

    2a08fd880b8b2d1b6a80748511d5c76ade5a5526

  • SHA256

    5eb0fb76f754d9026127b4b9b15d581890eebe8f3d99bf1c13d61f41efe25da6

  • SHA512

    3307caf8192e97a244b780003e7a3139b605dc8e90d53c85d412b6c1f9c5c2c3e7e2390817212ea1e044922c05888f58ff66725234b32f310e40b2b3217fd054

  • SSDEEP

    192:F1ZHTyWdt0hqic7BzrbqIwpnvnvONDTWoREN5Mqw/CUe:BHOouh7G+rqREN5Mqs5

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://tenntysjuxmz.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Downloads MZ/PE file
  • Suspicious use of SetThreadContext 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5eb0fb76f754d9026127b4b9b15d581890eebe8f3d99bf1c13d61f41efe25da6.exe
    "C:\Users\Admin\AppData\Local\Temp\5eb0fb76f754d9026127b4b9b15d581890eebe8f3d99bf1c13d61f41efe25da6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab54F5.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar5508.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1476-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1476-18-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-9-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-16-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-53-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-14-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-3-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-7-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-5-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1476-11-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1592-0-0x0000000073B9E000-0x0000000073B9F000-memory.dmp

    Filesize

    4KB

  • memory/1592-2-0x0000000073B90000-0x000000007427E000-memory.dmp

    Filesize

    6.9MB

  • memory/1592-1-0x0000000000890000-0x000000000089A000-memory.dmp

    Filesize

    40KB

  • memory/1592-17-0x0000000073B90000-0x000000007427E000-memory.dmp

    Filesize

    6.9MB