Resubmissions

17-04-2024 12:41

240417-pwvknsfd74 10

17-04-2024 12:41

240417-pwt9xafd72 10

17-04-2024 12:41

240417-pwtndafd68 10

17-04-2024 12:40

240417-pwlb1aha2w 10

17-04-2024 12:40

240417-pwkqgaha2t 10

16-04-2024 13:48

240416-q36f7abe74 10

Analysis

  • max time kernel
    299s
  • max time network
    302s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-04-2024 12:40

General

  • Target

    00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe

  • Size

    100KB

  • MD5

    1fe26231c66ad0b21e804a897e07f6ee

  • SHA1

    7e5cc26fbf11c4e65291617722145be1e6872aed

  • SHA256

    00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b

  • SHA512

    35aa41be52995c97c25fe29efe6d9cad526368910bfbe99cf73a94917e7f65a2982f041f126a7f4433ab04770cd7bf8d45924d77aa99ac36e43adae30a9056a0

  • SSDEEP

    3072:UlmICQuNwVOv/8I6WruEPJZDUXA2M1CUci6sUJW51TrFS83FoO:WmICRmgMtWruEhZDCA2M1CUci6sUJW5n

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

Wallets

0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b

THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto

1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6

qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL

LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX

rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH

ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ

48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH

t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn

bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd

bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg

bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Phorphiex

    Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Phorphiex payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Windows security bypass 2 TTPs 24 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Windows security modification 2 TTPs 28 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe
        "C:\Users\Admin\AppData\Local\Temp\00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3460
        • C:\22542289216399\lsass.exe
          C:\22542289216399\lsass.exe
          3⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:196
          • C:\Users\Admin\AppData\Local\Temp\3945427223.exe
            C:\Users\Admin\AppData\Local\Temp\3945427223.exe
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious use of WriteProcessMemory
            PID:1612
            • C:\Windows\sylsplvc.exe
              C:\Windows\sylsplvc.exe
              5⤵
              • Windows security bypass
              • Executes dropped EXE
              • Windows security modification
              • Suspicious use of WriteProcessMemory
              PID:4512
              • C:\Users\Admin\AppData\Local\Temp\2813714685.exe
                C:\Users\Admin\AppData\Local\Temp\2813714685.exe
                6⤵
                • Modifies security service
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Adds Run key to start application
                • Drops file in Windows directory
                • Suspicious behavior: SetClipboardViewer
                • Suspicious use of WriteProcessMemory
                PID:2968
                • C:\Users\Admin\AppData\Local\Temp\2883422227.exe
                  C:\Users\Admin\AppData\Local\Temp\2883422227.exe
                  7⤵
                  • Executes dropped EXE
                  PID:4164
                • C:\Users\Admin\AppData\Local\Temp\1614412622.exe
                  C:\Users\Admin\AppData\Local\Temp\1614412622.exe
                  7⤵
                  • Executes dropped EXE
                  PID:644
                • C:\Users\Admin\AppData\Local\Temp\1088117206.exe
                  C:\Users\Admin\AppData\Local\Temp\1088117206.exe
                  7⤵
                  • Executes dropped EXE
                  PID:4416
                • C:\Users\Admin\AppData\Local\Temp\1653431542.exe
                  C:\Users\Admin\AppData\Local\Temp\1653431542.exe
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:3044
                  • C:\Users\Admin\AppData\Local\Temp\2766921653.exe
                    C:\Users\Admin\AppData\Local\Temp\2766921653.exe
                    8⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:348
              • C:\Users\Admin\AppData\Local\Temp\129187379.exe
                C:\Users\Admin\AppData\Local\Temp\129187379.exe
                6⤵
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Adds Run key to start application
                • Drops file in Windows directory
                PID:2024
              • C:\Users\Admin\AppData\Local\Temp\2427912674.exe
                C:\Users\Admin\AppData\Local\Temp\2427912674.exe
                6⤵
                • Executes dropped EXE
                PID:3748
          • C:\Users\Admin\AppData\Local\Temp\3245113315.exe
            C:\Users\Admin\AppData\Local\Temp\3245113315.exe
            4⤵
            • Executes dropped EXE
            PID:4652
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1052
      • C:\Windows\System32\schtasks.exe
        C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
        2⤵
          PID:4772
      • C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
        "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
        1⤵
        • Executes dropped EXE
        PID:1460

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\22542289216399\lsass.exe

        Filesize

        100KB

        MD5

        1fe26231c66ad0b21e804a897e07f6ee

        SHA1

        7e5cc26fbf11c4e65291617722145be1e6872aed

        SHA256

        00475e1ce0883ac76f08f6f2387496c8298902a34fa0631f3f45f38c48e3713b

        SHA512

        35aa41be52995c97c25fe29efe6d9cad526368910bfbe99cf73a94917e7f65a2982f041f126a7f4433ab04770cd7bf8d45924d77aa99ac36e43adae30a9056a0

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BLQDLNEB\1[1]

        Filesize

        81KB

        MD5

        01e5faba64d8e9a9c187831fdc819f4c

        SHA1

        350a1a2bf237e64f43716262f99c632f5e01ba62

        SHA256

        7f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450

        SHA512

        f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BLQDLNEB\5[1]

        Filesize

        8KB

        MD5

        145fc3dbf778aa2ba80af3d74eabfad6

        SHA1

        13dfeadb4b38c461f8b9d25853c0cae5d9a65f7c

        SHA256

        5ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200

        SHA512

        9bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XCFODRP5\2[1]

        Filesize

        14KB

        MD5

        fce292c79288067dc17919ed588c161c

        SHA1

        bb44fa2c95af5bbd11e49264a40c16d6f343fa21

        SHA256

        4ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828

        SHA512

        73dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e

      • C:\Users\Admin\AppData\Local\Temp\129187379.exe

        Filesize

        14KB

        MD5

        2f4ab1a4a57649200550c0906d57bc28

        SHA1

        94bc52ed3921791630b2a001d9565b8f1bd3bd17

        SHA256

        baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa

        SHA512

        ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8

      • C:\Users\Admin\AppData\Local\Temp\1653431542.exe

        Filesize

        6KB

        MD5

        0d539e8277f20391a31babff8714fdb0

        SHA1

        a4e63870aa5fd258dde4f02be70732c27f556fa9

        SHA256

        669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32

        SHA512

        700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff

      • C:\Users\Admin\AppData\Local\Temp\2427912674.exe

        Filesize

        8KB

        MD5

        c34a248f132e739652407b0aa8c978cd

        SHA1

        f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee

        SHA256

        4c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578

        SHA512

        f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703

      • C:\Users\Admin\AppData\Local\Temp\2766921653.exe

        Filesize

        5.4MB

        MD5

        41ab08c1955fce44bfd0c76a64d1945a

        SHA1

        2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

        SHA256

        dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

        SHA512

        38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

      • C:\Users\Admin\AppData\Local\Temp\2813714685.exe

        Filesize

        81KB

        MD5

        f4713c8ac5fc1e4919156157e7bece19

        SHA1

        7bd9e35b1d1210183bbb4fe1995895cbc1692c62

        SHA256

        2be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b

        SHA512

        ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f

      • C:\Users\Admin\AppData\Local\Temp\3245113315.exe

        Filesize

        79KB

        MD5

        ca57b9f2c47ab7d459f6c88d550e3e32

        SHA1

        a179d0c011a06f02aa0b24fa9ceaea10429da078

        SHA256

        937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b

        SHA512

        7950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df

      • C:\Users\Admin\AppData\Local\Temp\3945427223.exe

        Filesize

        79KB

        MD5

        1e8a2ed2e3f35620fb6b8c2a782a57f3

        SHA1

        e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

        SHA256

        3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

        SHA512

        ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u4zbx5ce.1q2.ps1

        Filesize

        1B

        MD5

        c4ca4238a0b923820dcc509a6f75849b

        SHA1

        356a192b7913b04c54574d18c28d46e6395428ab

        SHA256

        6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

        SHA512

        4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

      • memory/348-147-0x00007FF635D10000-0x00007FF636286000-memory.dmp

        Filesize

        5.5MB

      • memory/1052-106-0x000001F15B770000-0x000001F15B780000-memory.dmp

        Filesize

        64KB

      • memory/1052-104-0x000001F15B770000-0x000001F15B780000-memory.dmp

        Filesize

        64KB

      • memory/1052-107-0x000001F15B780000-0x000001F15B7F6000-memory.dmp

        Filesize

        472KB

      • memory/1052-102-0x00007FFA2E870000-0x00007FFA2F25C000-memory.dmp

        Filesize

        9.9MB

      • memory/1052-120-0x000001F15B770000-0x000001F15B780000-memory.dmp

        Filesize

        64KB

      • memory/1052-140-0x000001F15B770000-0x000001F15B780000-memory.dmp

        Filesize

        64KB

      • memory/1052-144-0x00007FFA2E870000-0x00007FFA2F25C000-memory.dmp

        Filesize

        9.9MB

      • memory/1052-101-0x000001F143210000-0x000001F143232000-memory.dmp

        Filesize

        136KB