Analysis

  • max time kernel
    103s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2025, 15:51

General

  • Target
    random.exe
  • Size 1.2MB
  • Sample250403-tapjrayvex
  • SHA256 92cbc9d11b1dac5ddc467b6a9004531f4619ca553ea7be2b930af78dde07a6db
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://unicornu.digital/nojh

  • https://jrxsafer.top/shpaoz

  • https://krxspint.digital/kendwz

  • https://rhxhube.run/pogrs

  • https://grxeasyw.digital/xxepw

  • https://advennture.top/GKsiio

  • https://targett.top/dsANGt

  • https://gxrfxcaseq.live/gspaz

  • https://ywmedici.top/noagis

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\random.exe
    "C:\Users\Admin\AppData\Local\Temp\random.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy Discrete.wbk Discrete.wbk.bat & Discrete.wbk.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:684
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4660
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2760
      • C:\Windows\SysWOW64\findstr.exe
        findstr "SophosHealth bdservicehost AvastUI AVGUI nsWscSvc ekrn"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2668
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 48371
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4488
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y /E Photography.wbk
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4072
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "Handhelds" Handjobs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b 48371\Cope.com + Positive + Wav + Stamp + Ed + Canon + Candy + Vitamin + Elections + Zip + Choice 48371\Cope.com
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3388
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Stomach.wbk + ..\Sales.wbk + ..\Inner.wbk + ..\Showtimes.wbk + ..\Earned.wbk + ..\Char.wbk + ..\Airports.wbk i
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2600
      • C:\Users\Admin\AppData\Local\Temp\48371\Cope.com
        Cope.com i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1456
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cope.com

        • Path C:\Users\Admin\AppData\Local\Temp\48371\Cope.com
        • Size 2KB
        • SHA256 4038986677e5ffce46d4a9dd585c8e9d542af419aee28e48505f5779e7e32178
        • MD5 SHA1 SHA512

        Cope.com

        • Path C:\Users\Admin\AppData\Local\Temp\48371\Cope.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        i

        • Path C:\Users\Admin\AppData\Local\Temp\48371\i
        • Size 544KB
        • SHA256 d91e55d2e22107db1ef4eb514993deaf65900572c475bd1a93e381598f7936a4
        • MD5 SHA1 SHA512 SSDEEP

        Airports.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Airports.wbk
        • Size 77KB
        • SHA256 a037d997a28db9976803b6a156b3670708a35ef7bf20dcf320230768e82a98f3
        • MD5 SHA1 SHA512 SSDEEP

        Candy

        • Path C:\Users\Admin\AppData\Local\Temp\Candy
        • Size 148KB
        • SHA256 4ca9e8abc5a38bc1eece17b6f5259e7488394578488d40359ebd4c8e51a17648
        • MD5 SHA1 SHA512 SSDEEP

        Canon

        • Path C:\Users\Admin\AppData\Local\Temp\Canon
        • Size 96KB
        • SHA256 b35713a7ba90da3215e3ac83f41720826f91009b93b55be5447a87324af06513
        • MD5 SHA1 SHA512 SSDEEP

        Char.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Char.wbk
        • Size 78KB
        • SHA256 a2459811a245dd12d84003c5b70237a2c83cad2b0d6efa6eb4ee026188d44fad
        • MD5 SHA1 SHA512 SSDEEP

        Choice

        • Path C:\Users\Admin\AppData\Local\Temp\Choice
        • Size 40KB
        • SHA256 cb23d8c5d96fa049f2ba9a1478b5ebd9d94f956425c1122d4cbbb0a611c202dc
        • MD5 SHA1 SHA512 SSDEEP

        Discrete.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Discrete.wbk
        • Size 11KB
        • SHA256 6c70e2b497821c4e4e77ee25bce443ca53f4e1506831de06bd43e1d5cabb167f
        • MD5 SHA1 SHA512 SSDEEP

        Earned.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Earned.wbk
        • Size 75KB
        • SHA256 1e88ae4c745ee0c2e38c16319206f1b82094826121102e35bfc445463d91b22f
        • MD5 SHA1 SHA512 SSDEEP

        Ed

        • Path C:\Users\Admin\AppData\Local\Temp\Ed
        • Size 105KB
        • SHA256 72bb7a36e2f6d44a33409a747dfa377b385cb1166079d4239a781f83ce16d186
        • MD5 SHA1 SHA512 SSDEEP

        Elections

        • Path C:\Users\Admin\AppData\Local\Temp\Elections
        • Size 109KB
        • SHA256 298a55c808e13473f3e0a3ee7e960b930cb8df6e3b793fb1bf55f627e7712ad8
        • MD5 SHA1 SHA512 SSDEEP

        Handjobs

        • Path C:\Users\Admin\AppData\Local\Temp\Handjobs
        • Size 2KB
        • SHA256 472b69cb4a9b04f72e512b88a39072f9da819ea84ac305bf8643f9fe4f3ad18d
        • MD5 SHA1 SHA512

        Inner.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Inner.wbk
        • Size 72KB
        • SHA256 dc9a3786745d50630685028b1221cb5011390761c603088a6bf301a6c996812e
        • MD5 SHA1 SHA512 SSDEEP

        Photography.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Photography.wbk
        • Size 476KB
        • SHA256 53cfb29c938c186b5aeb2a2a80d71a2d3fccedca2af5219f887e26104bd46106
        • MD5 SHA1 SHA512 SSDEEP

        Positive

        • Path C:\Users\Admin\AppData\Local\Temp\Positive
        • Size 67KB
        • SHA256 3b65d54d659046f3e357bb800cd28bc7f0ffb9a94b2b04d630b2a284ef4fb521
        • MD5 SHA1 SHA512 SSDEEP

        Sales.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Sales.wbk
        • Size 99KB
        • SHA256 cb3b1ef84da7d1a2432cacbabeb4cc882105d5549cc177d5a256aa0a8eebe30e
        • MD5 SHA1 SHA512 SSDEEP

        Showtimes.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Showtimes.wbk
        • Size 50KB
        • SHA256 12102b00da79794aa3fadcbc8bc9897508d8fb3cd12567de68e0a8e7f65b5e46
        • MD5 SHA1 SHA512 SSDEEP

        Stamp

        • Path C:\Users\Admin\AppData\Local\Temp\Stamp
        • Size 55KB
        • SHA256 b6e85afd66cb95591db8a70c25e163116fb4165be7c1a576d5b455c437c00e07
        • MD5 SHA1 SHA512 SSDEEP

        Stomach.wbk

        • Path C:\Users\Admin\AppData\Local\Temp\Stomach.wbk
        • Size 93KB
        • SHA256 bd646155cac302ab491ff52eafffda4970c6995872b56cd141a9cadac0ed8273
        • MD5 SHA1 SHA512 SSDEEP

        Vitamin

        • Path C:\Users\Admin\AppData\Local\Temp\Vitamin
        • Size 93KB
        • SHA256 551edebd9e4028056e9e3dfdcd1c1705da4ea3c6b6b43a52ae5408e9ecad7ca0
        • MD5 SHA1 SHA512 SSDEEP

        Wav

        • Path C:\Users\Admin\AppData\Local\Temp\Wav
        • Size 97KB
        • SHA256 6fc9f90f94c7825425f09629766faa3c8af0dc0ceb67cde16e82faecd625c9d3
        • MD5 SHA1 SHA512 SSDEEP

        Zip

        • Path C:\Users\Admin\AppData\Local\Temp\Zip
        • Size 112KB
        • SHA256 5e0ef098d201d2a3fc43ea5e27ce052eb0262bd89ed3df093bd1d2e53869c363
        • MD5 SHA1 SHA512 SSDEEP

        memory/1456-335-0x00000000043A0000-0x0000000004406000-memory.dmp

        memory/1456-336-0x00000000043A0000-0x0000000004406000-memory.dmp

        memory/1456-337-0x00000000043A0000-0x0000000004406000-memory.dmp

        memory/1456-339-0x00000000043A0000-0x0000000004406000-memory.dmp

        memory/1456-338-0x00000000043A0000-0x0000000004406000-memory.dmp