Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 09:21

General

  • Target

    0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde.xlam

  • Size

    127KB

  • MD5

    e0f6bcdb71df502f7aefe22db8207a69

  • SHA1

    9f7357219cbfb5b940d5809f8564a6bb821fa036

  • SHA256

    0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde

  • SHA512

    ea9fc5fe2bcd8a225c7f7f7b8ea832e3d143278a07c6264edaf9476fb5e7852efdd9b3dbcde6e211ccb1e6d011b11845def65af58e9298a01b3067a05200d7cc

  • SSDEEP

    3072:NDKcDiVBG5Q0fULY/fPiY4XXnfWFsnNfWSWe:NDDD0BGCY/fkXvTNf5

Score
10/10

Malware Config

Signatures

  • CrimsonRAT main payload 1 IoCs
  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 24 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde.xlam"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\Glhvadia\hbraeiwas.exe
      C:\Users\Admin\Glhvadia\hbraeiwas.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4648
      • C:\ProgramData\Hdlharas\dlrarhsiva.exe
        "C:\ProgramData\Hdlharas\dlrarhsiva.exe"
        3⤵
        • Executes dropped EXE
        PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Hdlharas\dlrarhsiva.exe

    Filesize

    9.1MB

    MD5

    b35ab8d47748801afa154144c2891dc4

    SHA1

    c2c356c1a6abd7858d9a143da35c7fadff9f8edb

    SHA256

    15c45d634c70f0604cfe30806320090c66a65d8f8a26303db3c9c15bf3cc950c

    SHA512

    a89686b0e7bb0b7ab6281a69448cc050ce3fe6a5c56ec9f5f2869106b3e2560a84554463bb9bb277d7f6da5a90a9f07f8ab5369f793fbb21dab56d868ae1ed45

  • C:\ProgramData\Hdlharas\mdkhm.zip

    Filesize

    56KB

    MD5

    f0992d9b27d773b120109a5d1adec3d0

    SHA1

    9b1764b9e7b24fd8f4763fd33376ad9278b0bf04

    SHA256

    3a50f9963f2f20618c907bfe5134cf11a727d2a4808875b6cba9ecb5ce635c04

    SHA512

    e5368ebe377ebce87d6aa242898ae8fc9f94db0987c6bca1f669375a418e11f5d99b5f406c91e82ef0cf42bc56efbced77a58b1921b8eecf49cb4ea3d348c235

  • C:\Users\Admin\Glhvadia\hbraeiwas.exe

    Filesize

    83KB

    MD5

    4663018621abd6313f9edb03c0737517

    SHA1

    a9dd4c0303b261344d469362bd80c4e366e79692

    SHA256

    e2200fa8b8c4757039e3f78536d9442817331f530e4348e08f02af753e7ae024

    SHA512

    64d44f463b2d855c17b495ec056998b6f522f5078743621322f1cb574acf2ead445b0fe0f853a420941dfae2c09f5965ea383e48af74479d9c6c5a14c44a8f55

  • memory/2540-126-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/2540-125-0x00007FFC9C7C0000-0x00007FFC9D161000-memory.dmp

    Filesize

    9.6MB

  • memory/2540-124-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/2540-112-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/2540-106-0x00007FFC9C7C0000-0x00007FFC9D161000-memory.dmp

    Filesize

    9.6MB

  • memory/2540-104-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/2540-103-0x00007FFC9C7C0000-0x00007FFC9D161000-memory.dmp

    Filesize

    9.6MB

  • memory/4648-52-0x000000001B7C0000-0x000000001B866000-memory.dmp

    Filesize

    664KB

  • memory/4648-57-0x000000001BD60000-0x000000001C22E000-memory.dmp

    Filesize

    4.8MB

  • memory/4648-107-0x00007FFC9C7C0000-0x00007FFC9D161000-memory.dmp

    Filesize

    9.6MB

  • memory/4648-63-0x000000001C4E0000-0x000000001C52C000-memory.dmp

    Filesize

    304KB

  • memory/4648-62-0x00007FFC9C7C0000-0x00007FFC9D161000-memory.dmp

    Filesize

    9.6MB

  • memory/4648-61-0x0000000001220000-0x0000000001228000-memory.dmp

    Filesize

    32KB

  • memory/4648-60-0x00007FFC9C7C0000-0x00007FFC9D161000-memory.dmp

    Filesize

    9.6MB

  • memory/4648-59-0x000000001C380000-0x000000001C41C000-memory.dmp

    Filesize

    624KB

  • memory/4648-58-0x0000000001090000-0x00000000010A0000-memory.dmp

    Filesize

    64KB

  • memory/4808-23-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-66-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-21-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-22-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-11-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-28-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-29-0x00000297D8480000-0x00000297D8680000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-45-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-10-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-51-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-0-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

    Filesize

    64KB

  • memory/4808-56-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-19-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-18-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-17-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-16-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-15-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-14-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-12-0x00007FFC83100000-0x00007FFC83110000-memory.dmp

    Filesize

    64KB

  • memory/4808-20-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-9-0x00007FFC83100000-0x00007FFC83110000-memory.dmp

    Filesize

    64KB

  • memory/4808-6-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-8-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-7-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

    Filesize

    64KB

  • memory/4808-13-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-108-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-109-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-5-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

    Filesize

    64KB

  • memory/4808-110-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-111-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-4-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-116-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-117-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-120-0x00000297D8480000-0x00000297D8680000-memory.dmp

    Filesize

    2.0MB

  • memory/4808-121-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-122-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-123-0x00000297D1210000-0x00000297D1A10000-memory.dmp

    Filesize

    8.0MB

  • memory/4808-3-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

    Filesize

    64KB

  • memory/4808-1-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

    Filesize

    64KB

  • memory/4808-2-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

    Filesize

    2.0MB