Resubmissions

10-01-2025 20:32

250110-zbg4yswlht 10

10-01-2025 18:08

250110-wqvf2s1pfz 10

Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 18:08

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 15 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 15 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:3280
  • 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:2756
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2692
      • 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:1480
        • 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:4868
          • C:\Users\Admin\AppData\Roaming\configRemote_PZ4\RJAAJPOXHBNI\RttHlp.exe
            C:\Users\Admin\AppData\Roaming\configRemote_PZ4\RJAAJPOXHBNI\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:2864
            • 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:4608
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                6⤵
                • System Location Discovery: System Language Discovery
                PID:996
          • 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:2524
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4512
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2168

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57dad0.rbs

      Filesize

      8KB

      MD5

      ae28a626cb4cbc4fa5b6879fb3da14f4

      SHA1

      c54f580522997bfffabbf0ccd4f0516b2457919e

      SHA256

      b9cef04ab71f9ea0fcadd8aa57c8f9a8672899a140b2f12219c14a4c6d464e35

      SHA512

      403bf3ef8ca8de82075312bc0d6721fd8fb208dc7e2dfee78beb44338f512542418741f1396804df99a1cf8d91eb1d17619664d21cc21e202fecf2958046af53

    • C:\Users\Admin\AppData\Local\Temp\94d2ccc0

      Filesize

      12.9MB

      MD5

      8553b325aa00329a02737c6739f29643

      SHA1

      47803c126122445c5b44e5f197c495c950c739d5

      SHA256

      5d341314f7519fa11e2a1f6e326b45a05f9cb18030cfce8d505cf1a03301b028

      SHA512

      027be50d7a9b7eac151c947b3bd1cd232de7919dd11d3217c9876af60d209a9fcec6bb82276fb60c478bdb67af863cf30f61b2de6db279e44837410a7c46d039

    • C:\Users\Admin\AppData\Local\Temp\9c956e5d

      Filesize

      1.0MB

      MD5

      d0a14606da644d93d3afa0e953774509

      SHA1

      5fe28c807ad7c8eef1f7d68ea59abc18e82a2d3d

      SHA256

      1e05820f02496dbd244def870d67f2a31db16564fc3915f37f6e4e2455eebc72

      SHA512

      aad70bdbf226c85bb0c35ec29f4339159abf34878a923163d0120ccc6468be37bb26254022dd73777e8554da4147bc790171e432ceb93746c242c3ed4e815d55

    • 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\RJAAJPOXHBNI\burro.ini

      Filesize

      791KB

      MD5

      28431839e39dffad0485cc51b34c705f

      SHA1

      0b63857ea0abe841fdae8fd8b9f9b3ef0af881a0

      SHA256

      d832c2fd66e09b3eb829901fa6e7a2b610a398d8e007d6352edf4763ea3ce363

      SHA512

      cca16a18f52f2d059308214897673acd48cfca144a5075fba372ad33b8c645d202ebf32576d9d299d95e37e059d78dfdf70f7e844c479bd8c8484dc06bfe9d03

    • C:\Windows\Installer\e57dacf.msi

      Filesize

      10.5MB

      MD5

      35f774e65e57f419fff8d8f74945ea51

      SHA1

      c3e1d2d50a9bbca445576e0d71c6984cc1dc60bb

      SHA256

      d00a3e22e53210acbd5c3e39b85332e3d47c8ec001d2bbf7a13abb07427bbba2

      SHA512

      34db08df1751754159ca37249dd8a66a811150e2a0bbdc020858f5ee55f9fb8ef763bb74bbb723633f79ea9fde8dd0feeb0c79e0c442ca6f15a8c6d8ffa58a26

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

      Filesize

      24.1MB

      MD5

      f42a83dd47053d46d5493801e92eb415

      SHA1

      f8ffd6971f83474e9557d5733aa39acab1030d76

      SHA256

      4c2786550e42cd77c250f9146caaf75ffe37ce7066ed0ef877676a15095e6115

      SHA512

      0476a4f016a164c8a102ac0adb6d99c4eebaded63d5544b1d59ae7b3867f2ff13af9b2640d260afdcce9c045aa3dc838e5d0a4d6cb6b117211bb4358e47652a9

    • \??\Volume{77a2731a-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a1002a05-b34a-48f1-b500-c3959f1b60e1}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      f052b36c2a55fcc88020c02c9d26f96c

      SHA1

      e77aa51152bbcd971b8458dcaf829bd41aa2af90

      SHA256

      033bf84d0ff1fe8e9b25c3164007f038576c60830aeb53229d2932f07df993a2

      SHA512

      b9a865e2525b7c430b38dc3e7ee66aca34aa3e877f6978ce51bdc138119699ceeef6ab0cb276d5c7a5a7331b69b28c118cdb5ca368c20b4ee339535c5334c37b

    • memory/996-117-0x0000000000A50000-0x0000000000AAA000-memory.dmp

      Filesize

      360KB

    • memory/996-127-0x0000000000A50000-0x0000000000AAA000-memory.dmp

      Filesize

      360KB

    • memory/996-115-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/1480-56-0x0000000050120000-0x000000005030D000-memory.dmp

      Filesize

      1.9MB

    • memory/1480-53-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1480-39-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB

    • memory/1480-40-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/1480-54-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/2524-110-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/2864-89-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB

    • memory/2864-95-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/2864-90-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/2864-92-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB

    • memory/4512-130-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-131-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-136-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-135-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-132-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-116-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/4512-137-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-118-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-134-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4512-129-0x0000000000A00000-0x0000000001174000-memory.dmp

      Filesize

      7.5MB

    • memory/4608-111-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB

    • memory/4608-109-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/4868-101-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/4868-61-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB

    • memory/4868-62-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

      Filesize

      2.0MB

    • memory/4868-64-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB

    • memory/4868-91-0x0000000074FB0000-0x000000007512B000-memory.dmp

      Filesize

      1.5MB