Resubmissions

10-01-2025 20:32

250110-zbg4yswlht 10

10-01-2025 18:08

250110-wqvf2s1pfz 10

Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    10-01-2025 20:32

General

  • Target

    DogusignReader1.26g.msi

  • Size

    10.5MB

  • MD5

    35f774e65e57f419fff8d8f74945ea51

  • SHA1

    c3e1d2d50a9bbca445576e0d71c6984cc1dc60bb

  • SHA256

    d00a3e22e53210acbd5c3e39b85332e3d47c8ec001d2bbf7a13abb07427bbba2

  • SHA512

    34db08df1751754159ca37249dd8a66a811150e2a0bbdc020858f5ee55f9fb8ef763bb74bbb723633f79ea9fde8dd0feeb0c79e0c442ca6f15a8c6d8ffa58a26

  • SSDEEP

    196608:xaZKIcPtwQbOmV7SPjZJrtiXPFsKASDdybmR67JU6OpkKM1sQT9nAJDPMRAl6q7r:Y3cPt30JrtiXdsKAcrR67J0kR1syAtMU

Malware Config

Extracted

Family

lumma

C2

https://robinsharez.shop/api

https://handscreamny.shop/api

https://chipdonkeruz.shop/api

https://versersleep.shop/api

https://crowdwarek.shop/api

https://apporholis.shop/api

https://femalsabler.shop/api

https://soundtappysk.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • GoLang User-Agent 6 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\DogusignReader1.26g.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2712
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:4
      2⤵
        PID:3708
      • C:\Users\Admin\AppData\Local\Yarrow\RttHlp.exe
        "C:\Users\Admin\AppData\Local\Yarrow\RttHlp.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4840
        • C:\Users\Admin\AppData\Roaming\configRemote_PZ4\RttHlp.exe
          C:\Users\Admin\AppData\Roaming\configRemote_PZ4\RttHlp.exe
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:5044
          • C:\Users\Admin\AppData\Roaming\configRemote_PZ4\UBOAQCPKZXSHAUC\RttHlp.exe
            C:\Users\Admin\AppData\Roaming\configRemote_PZ4\UBOAQCPKZXSHAUC\RttHlp.exe
            4⤵
            • Suspicious use of SetThreadContext
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2788
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\SysWOW64\cmd.exe
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:4568
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                6⤵
                • System Location Discovery: System Language Discovery
                PID:1452
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:3120
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3076
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4192

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57bcaa.rbs

      Filesize

      8KB

      MD5

      196bceb34fdcdf8548a9d3cb97e19f4e

      SHA1

      b852c8421a7db0582c755e9b5dee0f46e06b2618

      SHA256

      e642290f2aaec8afce30cf334aad712960fd1208acb466ce9e66367aa5b215b4

      SHA512

      48217960014cb20150aee919ecad157f5a5c0582b52e518a34a3a9a26a2da1eef981a5cbf40dde04a78aac1c30faf6eb242524f3631e711fbfed8180aa1ebfed

    • C:\Users\Admin\AppData\Local\Temp\5cc95973

      Filesize

      12.9MB

      MD5

      dfa792cd88795434299e15da90eca894

      SHA1

      81ffda2e401c24f7212ef44da2a89065c467da1f

      SHA256

      1f4928301f2eb83fcbc8a4bcf7f813f095beef66c3f09d4e6d4741586d8f29a0

      SHA512

      b948da95ca1aa5c4c031eed561257a61934d0b889f6f626e633dff4bf8305cadc34eb588c90dcc0a8c42a8fff669a92db78afd47a90ae27f3783a62241430afd

    • C:\Users\Admin\AppData\Local\Temp\65c128c8

      Filesize

      1.0MB

      MD5

      02b26531f0933672af2c495d3739c5b2

      SHA1

      2c1d96401d903c4da3f9266f73c52bbe0fbc7bc5

      SHA256

      a3a5d57a65094e7f052ee668ee1fa598ac55235ae30af05090cc0550742c2d5a

      SHA512

      4f58d16e4c61e24be43379f9ddad7f8cd21da078ccc673c42558137f348f34cf067f2b3a6438d15efa37ea315f8d38fcd2ebd030b798f197f90a15874ef435d7

    • C:\Users\Admin\AppData\Local\Yarrow\Register.dll

      Filesize

      1.0MB

      MD5

      40b9628354ef4e6ef3c87934575545f4

      SHA1

      8fb5da182dea64c842953bf72fc573a74adaa155

      SHA256

      372b14fce2eb35b264f6d4aeef7987da56d951d3a09ef866cf55ed72763caa12

      SHA512

      02b0ea82efbfbe2e7308f86bfbec7a5109f3fe91d42731812d2e46aebedce50aabc565d2da9d3fbcd0f46febbff49c534419d1a91e0c14d5a80f06b74888c641

    • C:\Users\Admin\AppData\Local\Yarrow\RttHlp.exe

      Filesize

      135KB

      MD5

      a2d70fbab5181a509369d96b682fc641

      SHA1

      22afcdc180400c4d2b9e5a6db2b8a26bff54dd38

      SHA256

      8aed681ad8d660257c10d2f0e85ae673184055a341901643f27afc38e5ef8473

      SHA512

      219c6e7e88004fad9f4392be9a852c58fc43b7f6900e40370991427f37eaea5c18f48d2954f9479dde8bcb787345f4e292d5620add8224aec4d93d7968820b83

    • C:\Users\Admin\AppData\Local\Yarrow\burro.ini

      Filesize

      10.5MB

      MD5

      95a61e7f85bc8b48e6e52992d39eefc6

      SHA1

      df90ab3e50a7e566948ff56dde540139d23934c0

      SHA256

      0cea6a8a1b71eaaf329b70552ebe353d1a468ae2da5ac9c018d1927b55406bf5

      SHA512

      7a2ebb2caebe5efed73b701ee96a7880dea32301776a16beb288ab008531b396d06e36f6d0c4e60590c02355b4e1fc206e1468bc181042900fc18bc7b9f20086

    • C:\Users\Admin\AppData\Local\Yarrow\magnesium.csv

      Filesize

      52KB

      MD5

      038c02b1cdce1b2738c09d9d2b8bbd74

      SHA1

      0f20d6c4a1cb65ca8a33c613b0f297148f9a39b2

      SHA256

      ff5f5110ca6ca5d57db34ec4ea566d28d4b2535d71540331448711a25a89b3f4

      SHA512

      afb692a8bddf29feb352a3129165c045187c5a41ac134515d5d5ff884b26f24789113929e9c49f0277b8e509755566f5725be05d15a268fd07f03771ab004717

    • C:\Users\Admin\AppData\Local\Yarrow\rtl120.bpl

      Filesize

      1.1MB

      MD5

      adf82ed333fb5567f8097c7235b0e17f

      SHA1

      e6ccaf016fc45edcdadeb40da64c207ddb33859f

      SHA256

      d6dd7a4f46f2cfde9c4eb9463b79d5ff90fc690da14672ba1da39708ee1b9b50

      SHA512

      2253c7b51317a3b5734025b6c7639105dbc81c340703718d679a00c13d40dd74ccaba1f6d04b21ee440f19e82ba680aa4b2a6a75c618aed91bd85a132be9fc92

    • C:\Users\Admin\AppData\Local\Yarrow\vcl120.bpl

      Filesize

      1.9MB

      MD5

      37c89f8997af129d230837c87997b737

      SHA1

      5031df412eaf09cc72688e7865e4604cda6c2fbd

      SHA256

      f3ea5d6457089b4c4ab207f0b96dd5f321cdc7b3360ca27cd6ed273ec25d807e

      SHA512

      3ede7277cb8d16c83e65bb6e6626f30b124ff9cb1579cfc8fbea7358489f9520d416238e998707219b4b0debb6cc1fc2634133f2fe9457a840d8b2bc76ddb3bf

    • C:\Users\Admin\AppData\Roaming\configRemote_PZ4\UBOAQCPKZXSHAUC\burro.ini

      Filesize

      791KB

      MD5

      28431839e39dffad0485cc51b34c705f

      SHA1

      0b63857ea0abe841fdae8fd8b9f9b3ef0af881a0

      SHA256

      d832c2fd66e09b3eb829901fa6e7a2b610a398d8e007d6352edf4763ea3ce363

      SHA512

      cca16a18f52f2d059308214897673acd48cfca144a5075fba372ad33b8c645d202ebf32576d9d299d95e37e059d78dfdf70f7e844c479bd8c8484dc06bfe9d03

    • C:\Windows\Installer\e57bca9.msi

      Filesize

      10.5MB

      MD5

      35f774e65e57f419fff8d8f74945ea51

      SHA1

      c3e1d2d50a9bbca445576e0d71c6984cc1dc60bb

      SHA256

      d00a3e22e53210acbd5c3e39b85332e3d47c8ec001d2bbf7a13abb07427bbba2

      SHA512

      34db08df1751754159ca37249dd8a66a811150e2a0bbdc020858f5ee55f9fb8ef763bb74bbb723633f79ea9fde8dd0feeb0c79e0c442ca6f15a8c6d8ffa58a26

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      23.9MB

      MD5

      4732c4e5dec3e7c9efe5c1fb28dfc718

      SHA1

      32bccfcab7d67103705d36e84b96e4f6ebae3439

      SHA256

      d8f6ddc5497d1b19f57c014c292676f15c90a4ab59fc58f43c61c4a3e16b2be6

      SHA512

      cc3bdd01f46e9947bf49fbd8e1924bc65b955b3152600aefa5580a400e342fac7d6b0d7600cf1df98a0405196f14e09c169132fe50bfdac7c085e27207c6a743

    • \??\Volume{0804cdaf-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3996dd86-372a-488e-9ca7-97d7f5bec1ed}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      ae235138c9f599bcb2f8b90439256406

      SHA1

      0fa170430c46c9023d49a1301139664730f48af9

      SHA256

      cf0f65c7faf0de367201b62f1b2ab9481ec3a37699ed72f171ce7e987190be73

      SHA512

      0870a0a117b7add4b8a1366dd901bde5ca7223c6ad380ff3d68625e5b60369ba292d52352b5b4215753ec69ea72c6c1cd79f8bc3611c0b2e57fd3a73b454fe23

    • memory/1452-101-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/1452-103-0x0000000000120000-0x000000000017A000-memory.dmp

      Filesize

      360KB

    • memory/1452-108-0x0000000000120000-0x000000000017A000-memory.dmp

      Filesize

      360KB

    • memory/2788-84-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/2788-78-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB

    • memory/2788-79-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/2788-81-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB

    • memory/3076-122-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-121-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-118-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-123-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-117-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-116-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-124-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-105-0x0000000000CF0000-0x0000000001464000-memory.dmp

      Filesize

      7.5MB

    • memory/3076-104-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/3120-97-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/4568-98-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB

    • memory/4568-96-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/4840-38-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB

    • memory/4840-44-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/4840-39-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/4840-46-0x0000000050120000-0x000000005030D000-memory.dmp

      Filesize

      1.9MB

    • memory/4840-45-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/5044-88-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/5044-80-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB

    • memory/5044-52-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB

    • memory/5044-50-0x00007FFEF0B50000-0x00007FFEF0D48000-memory.dmp

      Filesize

      2.0MB

    • memory/5044-48-0x0000000074840000-0x00000000749BB000-memory.dmp

      Filesize

      1.5MB