Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2023 12:11

General

  • Target

    http://185.215.113.66/pei.exe

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

Wallets

1Gpu5QiBqsquu71AGqHwb4Y68iwnkdGH1k

3PPJU1omRSTwxDbbfVyxh9Mm8WkiMGZviMh

37AcEVDyoPyUJUKNM3mM1UxNNvKgN6Abn5

qqlt9zzv020vtlswk5v6e90nv7hsuqz0nggp4rj5t0

Xj6orHUgmtZtPb2wGSTX2reQZJ89ZeeYYG

DRyZQqRX998DYdf7zGdTCShGcRBbxjUAbF

0x25229D09B0048F23e60c010C8eE1ae65C727e973

LhoapQ1TFjG2Fvbwn5WbM2wYcwisKRVz7x

r3j2xjQLmVa6Cg3cHZLqLNVja1x6g1AtNL

TVTrpva4J2g8SENebPar4YnfnCqwUeiX4a

t1MrdY4n3DBL3uip5Pq6tqx4doYpihJJG68

AXUqtUXyQmU8buqL5ehCLuLLHhhFrREXuw

bitcoincash:qqlt9zzv020vtlswk5v6e90nv7hsuqz0nggp4rj5t0

48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

GDX4NDGHA5WKQLOI65PKPZRHSN6ZAUBRHA7BL44O5IOVMMZFZISMHTUD

bnb1zm5y3pns0ertprnvdyulz63tenlp9kc4m78v0m

bc1qdk0fquc7ug2zn7zpdyx4kasdy34t00c5r2xdup

Signatures

  • Phorphiex

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

  • Windows security bypass 2 TTPs 6 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://185.215.113.66/pei.exe
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3464 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2584
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZX6MAMIN\pei.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZX6MAMIN\pei.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Users\Admin\AppData\Local\Temp\3120427920.exe
        C:\Users\Admin\AppData\Local\Temp\3120427920.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2816
        • C:\Windows\sysagrsv.exe
          C:\Windows\sysagrsv.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:5112
          • C:\Users\Admin\AppData\Local\Temp\3117114989.exe
            C:\Users\Admin\AppData\Local\Temp\3117114989.exe
            5⤵
            • Executes dropped EXE
            PID:2192
          • C:\Users\Admin\AppData\Local\Temp\101795949.exe
            C:\Users\Admin\AppData\Local\Temp\101795949.exe
            5⤵
            • Executes dropped EXE
            PID:1484

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

5
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZX6MAMIN\pei.exe
    Filesize

    6KB

    MD5

    3fade1189c46a975a19599f9bc8ce9b8

    SHA1

    d36f6d972624b6f8b7de5553f5bc89b43f554c1a

    SHA256

    959ed7f57b49523114b54616f2f5bdb40c78cd1fcf8f506d3bc3721e833cee03

    SHA512

    12bc72d5e93e762466f36cafcf026c28ea977a3e9eb5c8a1e79d63107f957d9399a6e0c21dec63db78ab8e0ba7f31108754ac335994e3d015516cff5de42fa01

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZX6MAMIN\pei.exe.7ihh1jq.partial
    Filesize

    6KB

    MD5

    3fade1189c46a975a19599f9bc8ce9b8

    SHA1

    d36f6d972624b6f8b7de5553f5bc89b43f554c1a

    SHA256

    959ed7f57b49523114b54616f2f5bdb40c78cd1fcf8f506d3bc3721e833cee03

    SHA512

    12bc72d5e93e762466f36cafcf026c28ea977a3e9eb5c8a1e79d63107f957d9399a6e0c21dec63db78ab8e0ba7f31108754ac335994e3d015516cff5de42fa01

  • C:\Users\Admin\AppData\Local\Temp\101795949.exe
    Filesize

    75KB

    MD5

    17eb719f9e19aefae9114aa922681e7f

    SHA1

    a2165a6d3ff4dee62215bd489bbcc0aaa498e70a

    SHA256

    e0ac6b5de69220016ae30e12a499cd7e0002ab66942203376a0bb97b1790ad70

    SHA512

    77e7663c0b2cccf1f357c3f75cae22b0c8e207d482f8e5237f3d81844266d4f49d10574abbb6531ab20b417ed19a4d4991214933362a004413ccbe8a41f194de

  • C:\Users\Admin\AppData\Local\Temp\101795949.exe
    Filesize

    75KB

    MD5

    17eb719f9e19aefae9114aa922681e7f

    SHA1

    a2165a6d3ff4dee62215bd489bbcc0aaa498e70a

    SHA256

    e0ac6b5de69220016ae30e12a499cd7e0002ab66942203376a0bb97b1790ad70

    SHA512

    77e7663c0b2cccf1f357c3f75cae22b0c8e207d482f8e5237f3d81844266d4f49d10574abbb6531ab20b417ed19a4d4991214933362a004413ccbe8a41f194de

  • C:\Users\Admin\AppData\Local\Temp\3117114989.exe
    Filesize

    6KB

    MD5

    03ee7b245daeebbf2ccaa1690a9fc8fc

    SHA1

    561710d7f8c05ff5c2a3a384be5de6e023e41ac4

    SHA256

    6bc23b9878978a2f3c507acfdad0b2244a8bda5143359613db039cb21d9c1228

    SHA512

    f64163899218b24ee1dd59748e024e0106d83dbea3e31c0f05b1efb8558a47c232dbbcd1463a121c63e2dff2743887925238d8bf6eab0b9ee0292386918e8e55

  • C:\Users\Admin\AppData\Local\Temp\3117114989.exe
    Filesize

    6KB

    MD5

    03ee7b245daeebbf2ccaa1690a9fc8fc

    SHA1

    561710d7f8c05ff5c2a3a384be5de6e023e41ac4

    SHA256

    6bc23b9878978a2f3c507acfdad0b2244a8bda5143359613db039cb21d9c1228

    SHA512

    f64163899218b24ee1dd59748e024e0106d83dbea3e31c0f05b1efb8558a47c232dbbcd1463a121c63e2dff2743887925238d8bf6eab0b9ee0292386918e8e55

  • C:\Users\Admin\AppData\Local\Temp\3120427920.exe
    Filesize

    75KB

    MD5

    17eb719f9e19aefae9114aa922681e7f

    SHA1

    a2165a6d3ff4dee62215bd489bbcc0aaa498e70a

    SHA256

    e0ac6b5de69220016ae30e12a499cd7e0002ab66942203376a0bb97b1790ad70

    SHA512

    77e7663c0b2cccf1f357c3f75cae22b0c8e207d482f8e5237f3d81844266d4f49d10574abbb6531ab20b417ed19a4d4991214933362a004413ccbe8a41f194de

  • C:\Users\Admin\AppData\Local\Temp\3120427920.exe
    Filesize

    75KB

    MD5

    17eb719f9e19aefae9114aa922681e7f

    SHA1

    a2165a6d3ff4dee62215bd489bbcc0aaa498e70a

    SHA256

    e0ac6b5de69220016ae30e12a499cd7e0002ab66942203376a0bb97b1790ad70

    SHA512

    77e7663c0b2cccf1f357c3f75cae22b0c8e207d482f8e5237f3d81844266d4f49d10574abbb6531ab20b417ed19a4d4991214933362a004413ccbe8a41f194de

  • C:\Windows\sysagrsv.exe
    Filesize

    75KB

    MD5

    17eb719f9e19aefae9114aa922681e7f

    SHA1

    a2165a6d3ff4dee62215bd489bbcc0aaa498e70a

    SHA256

    e0ac6b5de69220016ae30e12a499cd7e0002ab66942203376a0bb97b1790ad70

    SHA512

    77e7663c0b2cccf1f357c3f75cae22b0c8e207d482f8e5237f3d81844266d4f49d10574abbb6531ab20b417ed19a4d4991214933362a004413ccbe8a41f194de

  • C:\Windows\sysagrsv.exe
    Filesize

    75KB

    MD5

    17eb719f9e19aefae9114aa922681e7f

    SHA1

    a2165a6d3ff4dee62215bd489bbcc0aaa498e70a

    SHA256

    e0ac6b5de69220016ae30e12a499cd7e0002ab66942203376a0bb97b1790ad70

    SHA512

    77e7663c0b2cccf1f357c3f75cae22b0c8e207d482f8e5237f3d81844266d4f49d10574abbb6531ab20b417ed19a4d4991214933362a004413ccbe8a41f194de

  • memory/1484-144-0x0000000000000000-mapping.dmp
  • memory/2192-141-0x0000000000000000-mapping.dmp
  • memory/2816-135-0x0000000000000000-mapping.dmp
  • memory/3232-133-0x0000000000000000-mapping.dmp
  • memory/5112-138-0x0000000000000000-mapping.dmp