Analysis

  • max time kernel
    127s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 18:05

General

  • Target

    855fd4cf224283ecfadcbbde8f8bda52096a389946f6890fa83b09e26cea10dc.exe

  • Size

    1.0MB

  • MD5

    f4c9a2e04bf7425f92b4dfa743985d4b

  • SHA1

    ecc8cafe83d4ce841894c78a6add9841174738ef

  • SHA256

    855fd4cf224283ecfadcbbde8f8bda52096a389946f6890fa83b09e26cea10dc

  • SHA512

    cc22e3244b1e9a5373777dd645b864761963fc34ebaa09338a6cf16f0240de7b6d073203ebc70a45cfb0f41b23bfe6f60adc2322f1bc71f3bf92b9ac40872d68

  • SSDEEP

    12288:pMrXy90AnEbF79w5lfUQYeJ+CMGNfrZlcROl1Eh3CkczpbZ7wyYirGZUq0dTlpLx:iyUZ5wTf/IGhPc8lUspb+g2U/Tlpv5

Malware Config

Extracted

Family

redline

Botnet

masha

C2

77.91.68.48:19071

Attributes
  • auth_value

    55b9b39a0dae383196a4b8d79e5bb805

Signatures

  • Detects Healer an antivirus disabler dropper 3 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\855fd4cf224283ecfadcbbde8f8bda52096a389946f6890fa83b09e26cea10dc.exe
    "C:\Users\Admin\AppData\Local\Temp\855fd4cf224283ecfadcbbde8f8bda52096a389946f6890fa83b09e26cea10dc.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4908
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0623685.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0623685.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6604025.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6604025.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3484
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5043356.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5043356.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4492
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a0032343.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a0032343.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1984
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2368708.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2368708.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1592
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c0999172.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c0999172.exe
          4⤵
          • Executes dropped EXE
          PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0623685.exe

    Filesize

    907KB

    MD5

    2949202165b6aecdfd7e1e166f80d67a

    SHA1

    d08399d23ffd9a7c571b8bda32fa8ffd09b9fa60

    SHA256

    a676d5a21bfadd0b38cd8ddcf76a3479124fe0c4ef736250f92a0a1546b0ccb3

    SHA512

    86e6109c16830b120a09e0e3541eb206b0b2ddf72f054d49d0acf70693c037fabfcda19508fb649e7e933908ecdae0337b08e7c50445a37661dcb76b7de9f7f5

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6604025.exe

    Filesize

    723KB

    MD5

    aa1b077e92994d4619dd12f4431e34a5

    SHA1

    20b6a5c758cea0abc5dc43e3d1d8c166c9b353a9

    SHA256

    f56122328c5bb8b64bdcd06bba1b5b089c40b22825bd055cfdf92c122ab89a58

    SHA512

    d5ca518c627ae14527164577423420f142cad57966cbf17d5f5fd6be3fe6e4170ba6b0689f59b391c4e1b1ed7f7fa0237a77999ca0089d3ce9b359f3fdd224a6

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c0999172.exe

    Filesize

    488KB

    MD5

    c8c493f1b16661e67a8976070733fb54

    SHA1

    e5a1683c7a9f7512f60d2fe23893bd14f1d5898c

    SHA256

    be3c79a550fa52255e4b0f967435c062477a5688033fc406957f5578ac4a805f

    SHA512

    80d057a9fc41f56db405c8ca09e852cb38a8097c57e14254cc9c073e11dcf8d7fcfda7cd33eaa5d3e006573a3fd8c0c8319046565acac0aba123dbd73b53d9b2

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5043356.exe

    Filesize

    327KB

    MD5

    901ce7880098ea823a81879f4d2bb6d9

    SHA1

    fef9b652a92a1dda10f92c2fce99260b54c3871f

    SHA256

    460617077eaaebdd0558c7265eeb5ccbdf3f53b416f54f93dad7e9b86355ab99

    SHA512

    bd2bdb5bcf4b426f541339a8e213b3567fc6d1cd1e353a25d720544c4710e23b943d858c467c40a0c646b336b7c5650929104d6d205ffd7bfcc8cb311645d894

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a0032343.exe

    Filesize

    295KB

    MD5

    f94bc8402c5e820366a69973818d25dd

    SHA1

    4c22bf9ed48c43ce113edc70e4cb5b99c0e4b9d1

    SHA256

    100fc01463a6ef234d70787403043df49187b0d0f2efe3416f866e17e6d0c690

    SHA512

    ef2d04b69b8cf6767ece0611ff14a082f4b8faf7190de6fadc11cedacfca65095f502b7ce9771280e0e331e0f9729152b8034a23a562c422ac6886463c0e2fc5

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2368708.exe

    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • memory/1592-41-0x0000000000C20000-0x0000000000C2A000-memory.dmp

    Filesize

    40KB

  • memory/1984-28-0x0000000001F70000-0x0000000001FAE000-memory.dmp

    Filesize

    248KB

  • memory/1984-35-0x0000000002550000-0x0000000002551000-memory.dmp

    Filesize

    4KB

  • memory/1984-34-0x0000000001F70000-0x0000000001FAE000-memory.dmp

    Filesize

    248KB

  • memory/2280-46-0x0000000000710000-0x000000000079C000-memory.dmp

    Filesize

    560KB

  • memory/2280-53-0x0000000000710000-0x000000000079C000-memory.dmp

    Filesize

    560KB

  • memory/2280-55-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/2280-56-0x00000000073E0000-0x00000000079F8000-memory.dmp

    Filesize

    6.1MB

  • memory/2280-57-0x0000000006E20000-0x0000000006F2A000-memory.dmp

    Filesize

    1.0MB

  • memory/2280-58-0x0000000006F50000-0x0000000006F62000-memory.dmp

    Filesize

    72KB

  • memory/2280-59-0x0000000006F70000-0x0000000006FAC000-memory.dmp

    Filesize

    240KB

  • memory/2280-60-0x0000000006FE0000-0x000000000702C000-memory.dmp

    Filesize

    304KB