Resubmissions

20-11-2024 05:50

241120-gjls1axken 8

20-11-2024 05:41

241120-gdrgasskd1 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 05:41

General

  • Target

    1/7loader.exe

  • Size

    44KB

  • MD5

    2d538ba85d41c6a385e872201429380a

  • SHA1

    aab6d07ea5390836a54b12c6836eb1106d7e9a44

  • SHA256

    9c45ca71fda5862789cd866127e766b941de1f690b91144c1d4c1d967d1dc050

  • SHA512

    76bc7b5b0a45147b23bac99bd7fc986c8bd407291cddffa9edf25ff88d9e8334221a48d9ab62c9bf37ab9eb7375b4ec4d2729ddeac7209c499e104f878168451

  • SSDEEP

    384:V0KxGphJ6zC2eEF/dHoCkX73hDsSfkksLxG5wrNv+a2VSDSaVrr:+6zCY/+X7kpG5wrNGa2VSDSal

Malware Config

Extracted

Family

lumma

C2

https://a1m0sph3reds.cyou/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\7loader.exe
    "C:\Users\Admin\AppData\Local\Temp\1\7loader.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Reiop'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Reiop
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Windows'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3768
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Windows
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3336
    • C:\Reiop\millowsa.exe
      "C:\Reiop\millowsa.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3320
      • C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
        "C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4864
        • C:\Users\Admin\AppData\Local\Temp\10000360101\promotionforevetywere.exe
          "C:\Users\Admin\AppData\Local\Temp\10000360101\promotionforevetywere.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5000
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4344
  • C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
    C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
    1⤵
    • Executes dropped EXE
    PID:3572
  • C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
    C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
    1⤵
    • Executes dropped EXE
    PID:4264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Reiop\millowsa.exe

    Filesize

    429KB

    MD5

    108530f51d914a0a842bd9dc66838636

    SHA1

    806ca71de679d73560722f5cb036bd07241660e3

    SHA256

    20ad93fa1ed6b5a682d8a4c8ba681f566597689d6ea943c2605412b233f0a538

    SHA512

    8e1cdc49b57715b34642a55ee7a3b0cfa603e9a905d5a2a0108a7b2e3d682faec51c69b844a03088f2f4a50a7bf27feb3aabd9733853d9fb4b2ee4419261d05b

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    11KB

    MD5

    b1d0a8d6572b7b8dba017fd2bc046340

    SHA1

    2e9fd481ef50398640cc55e278c2c3c8092b0666

    SHA256

    7c726bfac604d603b3c6d680eb28d17ffe1fff63a314602db5aad3f8c506272a

    SHA512

    686da1bd863e39734d68004054b18897c82db6c355b3288d6d700680e016e01ff23fe532d75acde2ef04afc98fd5ecbbb33111fd708372c7ef61664ca056996d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    11KB

    MD5

    1a77b968553a9c0217c6d65a2086cc12

    SHA1

    bef374be51a7cba34c1de2e62d255f52195fe7c5

    SHA256

    67fa714b25d95d8b3855ca8a89fc9b38a2831db0c3980ede3b3f97654e5fa08b

    SHA512

    00af2d9e1c5d9e25b00cf3825c18a0e01e8766c3f1b041f8296d901edf965a07592af1463dc5ee08aee4fb31a9ee06b4a4d41c64d7b8a8f4c52b7fcf000418b5

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    11KB

    MD5

    cc9073ae10bd607cab8471eb30267ea0

    SHA1

    2248a85a7b12c7ea4a5e38b1470f0ce21f2e82a3

    SHA256

    d4318f66fc929d82a88ef6367856ee71d2d959bd86fb9efd7183d63e6b063881

    SHA512

    a2a40e5680636b7ef070fe4db373400f7dbd07439f63d7029d83238ab8de46a7771272f88f7e9256186774364c82bdb8b111e145020b589e228ce8fb2d137c92

  • C:\Users\Admin\AppData\Local\Temp\10000360101\promotionforevetywere.exe

    Filesize

    2.1MB

    MD5

    f350caf603d2a5e09a9a5b61b9aaed33

    SHA1

    3914676fe58dd9151bfc62d3cdcada4ccb1ef708

    SHA256

    66e449ba6fc695a7e0edfcf06e4411996250396ee281358c2f9c12b6d6f10f7d

    SHA512

    28474cf6044c5e76401439eadf559ac19fc329742bfbd843f8855c33bbdd0817d768d0e866c2432c966b02d55d2a72df6da52159cca852afc48a02df65f52704

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v1nebvry.xf3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2636-8-0x0000000004D00000-0x0000000004D66000-memory.dmp

    Filesize

    408KB

  • memory/2636-49-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2636-9-0x0000000004D70000-0x0000000004DD6000-memory.dmp

    Filesize

    408KB

  • memory/2636-7-0x0000000004B60000-0x0000000004B82000-memory.dmp

    Filesize

    136KB

  • memory/2636-15-0x00000000055A0000-0x00000000058F4000-memory.dmp

    Filesize

    3.3MB

  • memory/2636-20-0x0000000005B40000-0x0000000005B5E000-memory.dmp

    Filesize

    120KB

  • memory/2636-21-0x0000000005B70000-0x0000000005BBC000-memory.dmp

    Filesize

    304KB

  • memory/2636-6-0x0000000004F70000-0x0000000005598000-memory.dmp

    Filesize

    6.2MB

  • memory/2636-5-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2636-67-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2636-4-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2636-3-0x0000000000DB0000-0x0000000000DE6000-memory.dmp

    Filesize

    216KB

  • memory/3244-88-0x00000000701F0000-0x000000007023C000-memory.dmp

    Filesize

    304KB

  • memory/3324-2-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3324-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/3324-1-0x0000000000920000-0x000000000092C000-memory.dmp

    Filesize

    48KB

  • memory/3324-35-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3324-23-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/3336-120-0x00000000701F0000-0x000000007023C000-memory.dmp

    Filesize

    304KB

  • memory/3684-55-0x0000000007E50000-0x0000000007EE6000-memory.dmp

    Filesize

    600KB

  • memory/3684-36-0x0000000007860000-0x0000000007892000-memory.dmp

    Filesize

    200KB

  • memory/3684-54-0x0000000007C50000-0x0000000007C5A000-memory.dmp

    Filesize

    40KB

  • memory/3684-48-0x0000000007820000-0x000000000783E000-memory.dmp

    Filesize

    120KB

  • memory/3684-56-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

    Filesize

    68KB

  • memory/3684-57-0x0000000007E00000-0x0000000007E0E000-memory.dmp

    Filesize

    56KB

  • memory/3684-58-0x0000000007E10000-0x0000000007E24000-memory.dmp

    Filesize

    80KB

  • memory/3684-24-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-60-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

    Filesize

    32KB

  • memory/3684-63-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-47-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-53-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

    Filesize

    104KB

  • memory/3684-59-0x0000000007F10000-0x0000000007F2A000-memory.dmp

    Filesize

    104KB

  • memory/3684-25-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-52-0x0000000008220000-0x000000000889A000-memory.dmp

    Filesize

    6.5MB

  • memory/3684-22-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-51-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-50-0x00000000078A0000-0x0000000007943000-memory.dmp

    Filesize

    652KB

  • memory/3684-37-0x00000000701F0000-0x000000007023C000-memory.dmp

    Filesize

    304KB

  • memory/3768-77-0x0000000006090000-0x00000000063E4000-memory.dmp

    Filesize

    3.3MB

  • memory/4344-186-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4344-187-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/5000-181-0x0000000000F80000-0x0000000001196000-memory.dmp

    Filesize

    2.1MB

  • memory/5000-182-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

    Filesize

    624KB

  • memory/5000-183-0x0000000005C90000-0x0000000005EA6000-memory.dmp

    Filesize

    2.1MB

  • memory/5000-185-0x0000000005A40000-0x0000000005A62000-memory.dmp

    Filesize

    136KB

  • memory/5000-184-0x0000000005EB0000-0x0000000006040000-memory.dmp

    Filesize

    1.6MB