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Analysis

  • max time kernel
    146s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 08:25

General

  • Target

    !Saẗup☑/Setup.exe

  • Size

    8.7MB

  • MD5

    480f8cf600f5509595b8418c6534caf2

  • SHA1

    dc13258ebb83bdf956523d751f67e29d6e4cf77e

  • SHA256

    6d8905ec0b1dfdc0a10d1cce40714ddd73205a09ad390b933ddbecdcf06a4cf2

  • SHA512

    f0bd99f68d59e80538fb276945d0f383394cb94a35c6d12ebd3e87061222249f78b9ca75716b33e36b66842b97c71149612111fcb6a8a3bc3a97635b03934aaf

  • SSDEEP

    196608:Ywdj1UbkCchr3rlFE8GCWhKUzGZ3gRTFHnBz58//o:Yw91Ubkxhr3rlFHWhKUzGZ3gRTFhzi/o

Malware Config

Extracted

Family

lumma

C2

https://annthostiledm.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Blocklisted process makes network request 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies registry class 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\!Saẗup☑\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\!Saẗup☑\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Users\Admin\AppData\Roaming\SHTU\FPUSNSCTTJHJLM\StrCmp.exe
      C:\Users\Admin\AppData\Roaming\SHTU\FPUSNSCTTJHJLM\StrCmp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:656
    • C:\Windows\SysWOW64\more.com
      C:\Windows\SysWOW64\more.com
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Users\Admin\AppData\Local\Temp\FiftiethOmit.a3x
        C:\Users\Admin\AppData\Local\Temp\FiftiethOmit.a3x
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -exec bypass -f "C:\Users\Admin\AppData\Local\Temp\P3P0XCUL7JKVR7JBI7G.ps1"
          4⤵
          • Blocklisted process makes network request
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1876
          • C:\Users\Admin\AppData\Local\Temp\tmpA43A.tmp.exe
            "C:\Users\Admin\AppData\Local\Temp\tmpA43A.tmp.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1796
            • C:\Users\Admin\AppData\Local\Temp\service123.exe
              "C:\Users\Admin\AppData\Local\Temp\service123.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:4192
            • C:\Windows\System32\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2068
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\47854104

    Filesize

    2.1MB

    MD5

    b9b9b889af6310472a68a388e1e08168

    SHA1

    368e0de75dd4f2a8cec49fd9ccf228de886f7639

    SHA256

    e70a7be9fbbf5bcbbb982fc01dfe91d21da622e62f4a2c83dd4218d741507a15

    SHA512

    0e2ce284be6dd649017edf98b29ec241ffd7049199235db66838a978c4656bb3d64db52d10945a43b57051b77c17761af470995cbec4bff8863884bae9b7acd3

  • C:\Users\Admin\AppData\Local\Temp\FiftiethOmit.a3x

    Filesize

    921KB

    MD5

    3f58a517f1f4796225137e7659ad2adb

    SHA1

    e264ba0e9987b0ad0812e5dd4dd3075531cfe269

    SHA256

    1da298cab4d537b0b7b5dabf09bff6a212b9e45731e0cc772f99026005fb9e48

    SHA512

    acf740aafce390d06c6a76c84e7ae7c0f721731973aadbe3e57f2eb63241a01303cc6bf11a3f9a88f8be0237998b5772bdaf569137d63ba3d0f877e7d27fc634

  • C:\Users\Admin\AppData\Local\Temp\P3P0XCUL7JKVR7JBI7G.ps1

    Filesize

    391B

    MD5

    89a289c6da4cf592e81e60ad9c55aefd

    SHA1

    17dead477206c6d83cd0d81ea6f64cfc8f0a6ede

    SHA256

    2c29b7f1c8d943f4f89cfa214b5acb131c5cff21397839abcaf0968b92f717d1

    SHA512

    420c14d9ab77574f9a7782ce7f9b60cfb3e58d7e4f46779788377b43ae1e866569b87c0685ab5c849ad7c5dae2fce47af2b5855d01b1707b29ea2b3e69883953

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yv5ww0c3.scv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA43A.tmp.exe

    Filesize

    20.9MB

    MD5

    9c42b5441e31118dd23ddd42d4f233b7

    SHA1

    a6b03ca42bc2d86f58f83285a7684f78f31f39e6

    SHA256

    0a84c8f769b47481c4e95c7a52d0e4ea0665af1f30e8be3ac0cec552bd96ddf6

    SHA512

    409a363a0cbaab4fba7e149c86b6e4b12b951ff9bcdfd94b714cca8ba42840e8a5c3ce4a8457cc28b88eb8904e9a7768c2aa4f4084751c8ef4fb59ae7ab1a959

  • C:\Users\Admin\AppData\Roaming\SHTU\FPUSNSCTTJHJLM\StrCmp.exe

    Filesize

    47KB

    MD5

    916d7425a559aaa77f640710a65f9182

    SHA1

    23d25052aef9ba71ddeef7cfa86ee43d5ba1ea13

    SHA256

    118de01fb498e81eab4ade980a621af43b52265a9fcbae5dedc492cdf8889f35

    SHA512

    d0c260a0347441b4e263da52feb43412df217c207eba594d59c10ee36e47e1a098b82ce633851c16096b22f4a4a6f8282bdd23d149e337439fe63a77ec7343bc

  • memory/1092-32-0x00007FFCB8050000-0x00007FFCB8245000-memory.dmp

    Filesize

    2.0MB

  • memory/1092-33-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/1092-35-0x00000000001D0000-0x000000000024F000-memory.dmp

    Filesize

    508KB

  • memory/1516-99-0x0000000000AA0000-0x0000000000AB1000-memory.dmp

    Filesize

    68KB

  • memory/1796-78-0x00007FFCB6040000-0x00007FFCB6042000-memory.dmp

    Filesize

    8KB

  • memory/1796-73-0x00007FFCB8250000-0x00007FFCB8252000-memory.dmp

    Filesize

    8KB

  • memory/1796-74-0x00007FFCB8260000-0x00007FFCB8262000-memory.dmp

    Filesize

    8KB

  • memory/1796-75-0x00007FFCB8270000-0x00007FFCB8272000-memory.dmp

    Filesize

    8KB

  • memory/1796-76-0x00007FFCB6320000-0x00007FFCB6322000-memory.dmp

    Filesize

    8KB

  • memory/1796-77-0x00007FFCB6330000-0x00007FFCB6332000-memory.dmp

    Filesize

    8KB

  • memory/1796-79-0x00007FFCB6050000-0x00007FFCB6052000-memory.dmp

    Filesize

    8KB

  • memory/1796-80-0x0000000140000000-0x0000000141FFE000-memory.dmp

    Filesize

    32.0MB

  • memory/1876-59-0x0000000007100000-0x0000000007122000-memory.dmp

    Filesize

    136KB

  • memory/1876-51-0x0000000005B60000-0x0000000005B7E000-memory.dmp

    Filesize

    120KB

  • memory/1876-36-0x0000000000DB0000-0x0000000000DE6000-memory.dmp

    Filesize

    216KB

  • memory/1876-37-0x0000000004DD0000-0x00000000053F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1876-38-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

    Filesize

    136KB

  • memory/1876-40-0x0000000005550000-0x00000000055B6000-memory.dmp

    Filesize

    408KB

  • memory/1876-39-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/1876-60-0x000000000A0C0000-0x000000000A664000-memory.dmp

    Filesize

    5.6MB

  • memory/1876-50-0x00000000055C0000-0x0000000005914000-memory.dmp

    Filesize

    3.3MB

  • memory/1876-58-0x0000000007170000-0x0000000007206000-memory.dmp

    Filesize

    600KB

  • memory/1876-52-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

    Filesize

    304KB

  • memory/1876-55-0x00000000060A0000-0x00000000060BA000-memory.dmp

    Filesize

    104KB

  • memory/1876-54-0x0000000007490000-0x0000000007B0A000-memory.dmp

    Filesize

    6.5MB

  • memory/1948-24-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/1948-30-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/1948-25-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/1948-22-0x00007FFCB8050000-0x00007FFCB8245000-memory.dmp

    Filesize

    2.0MB

  • memory/1948-20-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/4192-93-0x0000000000AA0000-0x0000000000AB1000-memory.dmp

    Filesize

    68KB

  • memory/4192-94-0x0000000075750000-0x000000007588C000-memory.dmp

    Filesize

    1.2MB

  • memory/4676-0-0x00000000017B0000-0x00000000017B1000-memory.dmp

    Filesize

    4KB

  • memory/4676-6-0x0000000073C83000-0x0000000073C84000-memory.dmp

    Filesize

    4KB

  • memory/4676-11-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/4676-9-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/4676-8-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/4676-2-0x00007FFCB8050000-0x00007FFCB8245000-memory.dmp

    Filesize

    2.0MB

  • memory/4676-16-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB

  • memory/4676-19-0x0000000000990000-0x0000000001266000-memory.dmp

    Filesize

    8.8MB

  • memory/4676-1-0x0000000073C70000-0x0000000073DEB000-memory.dmp

    Filesize

    1.5MB