Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2024 08:13

General

  • Target

    062bf5eda95fa04c7146882ac1efb5ae43eaee0cd4c121db8c1c2edf9412932b.exe

  • Size

    1.0MB

  • MD5

    22b5f7bbf08fd60f2ee850f51efede9e

  • SHA1

    9ad6d7fdfda1459be16d4e59547a0d933f7c9551

  • SHA256

    062bf5eda95fa04c7146882ac1efb5ae43eaee0cd4c121db8c1c2edf9412932b

  • SHA512

    6fcb688dd391ed951fef4cd75c8935f65dde1f99658eb8b3438f40837050eb77cdd5425b0325c0b4df069a8dc83bc9ae53d464612f76ebb4914f222f22272744

  • SSDEEP

    24576:XypmCQ2FZ4/Ldo7RGJawprnjhmJcVGTEq:ivFsLdQRIrjYc7

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\062bf5eda95fa04c7146882ac1efb5ae43eaee0cd4c121db8c1c2edf9412932b.exe
    "C:\Users\Admin\AppData\Local\Temp\062bf5eda95fa04c7146882ac1efb5ae43eaee0cd4c121db8c1c2edf9412932b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0411721.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0411721.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7601960.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7601960.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1344
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4320645.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4320645.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1592
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6312790.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6312790.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2752
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2598163.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2598163.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:60
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6769239.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6769239.exe
          4⤵
          • Executes dropped EXE
          PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Replay Monitor

Loading Replay Monitor...

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\v0411721.exe
    Filesize

    905KB

    MD5

    ad72cc6886ddff9914f13887f2adb384

    SHA1

    646f777611a343ca5676544cb133858d7cfca913

    SHA256

    f7770eb0c170f8c0abea65c7263a80f050ea570adf35e2460162d643105aa9af

    SHA512

    6e278a2937b63e053a8ca8629a0c5440d8d6fdbca2242a9229c93f15f6738ad3db4efd3a26cbd3109b1badca740ddb295c97195e410e3cddfb8df8af92f5f864

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7601960.exe
    Filesize

    722KB

    MD5

    9a9f44c2cded730a89314f521133faa0

    SHA1

    7c5706e40c464c079ff9e2acd4163aa74a4b7226

    SHA256

    586c545ddb2ef72b6b95afd33bba893eeab7366d9f58d887c33a56bdc38cd73b

    SHA512

    7f4cf9a87bb11de5790431576b0c81e8f6f491cd5a9854bc199ab5b3705d355ea76d84b0db2efe447feaec1664d2b218caa64f220da938802f69189ad98e2623

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6769239.exe
    Filesize

    493KB

    MD5

    e63cc9c1471d127ec04f223f9d44f012

    SHA1

    33f5fd6f7d716718e93a1bee8d84de505876a8f7

    SHA256

    3ce41fc47f271a4fb98bd149c8ddbaa5ef669d8c89660491381e14c956acbe33

    SHA512

    4bd33c967ddad776367dc22e4ae5afc67f4e5f770a273d37d0e222e1b1f5cd1331a395f059a839c752ef5dec110c881fa8f6f418782f21a1b0fcd706520c5d42

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4320645.exe
    Filesize

    324KB

    MD5

    8c47da470aa374be9794b719e021713c

    SHA1

    524629f0104071c313325aca963022b7c72f5620

    SHA256

    35e80fe8662be45ceadb1a7aaaacd22b553fb653f68140f16873a4b2c2b7b745

    SHA512

    82018124afa90be176377af552765e3b25b5ceecf40c7c3fa6d8286d2edb39bcb46d2f462e54ee6abf7e4909dd3f87fbf0984ec19ad5f70cc9b6bc618fe569a2

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6312790.exe
    Filesize

    295KB

    MD5

    fd942d1fea79616e292401f55de80dea

    SHA1

    8c9d24388d605b3b992c2672c26c7e0a09e2d832

    SHA256

    8a6ca862f1c502f9d0581b868d997097b3e94d4296cfde25a9fe448f6f6682bc

    SHA512

    efdd894a48c1dd26791c57a0ac3e8654da876b6fc1947b385081c8b1548389d11f5c31081ab13e99c75769b2393aa6a43147ffb815cd6c88cb63156e8539b223

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2598163.exe
    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • memory/60-41-0x0000000000930000-0x000000000093A000-memory.dmp
    Filesize

    40KB

  • memory/2016-53-0x00000000006A0000-0x000000000072C000-memory.dmp
    Filesize

    560KB

  • memory/2016-46-0x00000000006A0000-0x000000000072C000-memory.dmp
    Filesize

    560KB

  • memory/2016-55-0x00000000043F0000-0x00000000043F6000-memory.dmp
    Filesize

    24KB

  • memory/2016-56-0x00000000049F0000-0x0000000005008000-memory.dmp
    Filesize

    6.1MB

  • memory/2016-57-0x00000000050A0000-0x00000000051AA000-memory.dmp
    Filesize

    1.0MB

  • memory/2016-58-0x00000000051D0000-0x00000000051E2000-memory.dmp
    Filesize

    72KB

  • memory/2016-59-0x00000000051F0000-0x000000000522C000-memory.dmp
    Filesize

    240KB

  • memory/2016-60-0x0000000005260000-0x00000000052AC000-memory.dmp
    Filesize

    304KB

  • memory/2752-34-0x00000000005C0000-0x00000000005FE000-memory.dmp
    Filesize

    248KB

  • memory/2752-35-0x0000000006A90000-0x0000000006A91000-memory.dmp
    Filesize

    4KB

  • memory/2752-28-0x00000000005C0000-0x00000000005FE000-memory.dmp
    Filesize

    248KB