Analysis

  • max time kernel
    126s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2023 21:01

General

  • Target

    Setup for uplink_patch1_reJ7-Z1.exe

  • Size

    1.7MB

  • MD5

    99a9fbd5fee72ce51585309390a46717

  • SHA1

    ff39c56312090a909c2c0c82629c552a3b252a98

  • SHA256

    833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa

  • SHA512

    97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7

  • SSDEEP

    24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup for uplink_patch1_reJ7-Z1.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup for uplink_patch1_reJ7-Z1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\is-S6FR0.tmp\Setup for uplink_patch1_reJ7-Z1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S6FR0.tmp\Setup for uplink_patch1_reJ7-Z1.tmp" /SL5="$B0126,831488,831488,C:\Users\Admin\AppData\Local\Temp\Setup for uplink_patch1_reJ7-Z1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Users\Admin\AppData\Local\Temp\is-SU5EI.tmp\file_reJ7-Z1.exe
        "C:\Users\Admin\AppData\Local\Temp\is-SU5EI.tmp\file_reJ7-Z1.exe" /LANG=en /NA=Rh85hR64
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Users\Admin\AppData\Local\Temp\is-2L6F3.tmp\file_reJ7-Z1.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-2L6F3.tmp\file_reJ7-Z1.tmp" /SL5="$201BA,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-SU5EI.tmp\file_reJ7-Z1.exe" /LANG=en /NA=Rh85hR64
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:1500
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:636
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1284
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x1dc
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1848

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Install Root Certificate

      1
      T1130

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        Filesize

        62KB

        MD5

        3ac860860707baaf32469fa7cc7c0192

        SHA1

        c33c2acdaba0e6fa41fd2f00f186804722477639

        SHA256

        d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

        SHA512

        d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        c4aa8d8ce3071da6ff94d834b22d4778

        SHA1

        08cbcabdc6cc6c6397049a50f00144c2eb082ace

        SHA256

        3d706ffb4c439963a5f8adc2615ff2cbf4bd7b2fcbf8112daf4c270a0bf7348b

        SHA512

        4187f34712d1f903c46558a2ee346217f71deaade23f2d69c9e700c2342d62456bfa5aa3c22fec9ead416fb1f0cedda773d9b541197f82f5d710ee3f75ea1bd2

      • C:\Users\Admin\AppData\Local\Temp\TarBACF.tmp
        Filesize

        164KB

        MD5

        4ff65ad929cd9a367680e0e5b1c08166

        SHA1

        c0af0d4396bd1f15c45f39d3b849ba444233b3a2

        SHA256

        c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

        SHA512

        f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

      • C:\Users\Admin\AppData\Local\Temp\is-2L6F3.tmp\file_reJ7-Z1.tmp
        Filesize

        2.9MB

        MD5

        623a3abd7b318e1f410b1e12a42c7b71

        SHA1

        88e34041850ec4019dae469adc608e867b936d21

        SHA256

        fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

        SHA512

        9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

      • C:\Users\Admin\AppData\Local\Temp\is-S6FR0.tmp\Setup for uplink_patch1_reJ7-Z1.tmp
        Filesize

        3.0MB

        MD5

        0c229cd26910820581b5809c62fe5619

        SHA1

        28c0630385b21f29e3e2bcc34865e5d15726eaa0

        SHA256

        abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

        SHA512

        b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

      • C:\Users\Admin\AppData\Local\Temp\is-SU5EI.tmp\file_reJ7-Z1.exe
        Filesize

        2.3MB

        MD5

        e33cc3f7373fa131b295ed8551ca3343

        SHA1

        734dd1751cc4e51288b4b34159cbffe0e74c1310

        SHA256

        dddd2d7596ce3e6f21a5344a607c9e0a0fb472d5b6df2bd2b87c9cfc6b275d0a

        SHA512

        79e8bb7cfa9bff1657e3e0046f1da3224b935ce3695c437ecb098708e4a3ec97b5f24ccdd30078d5945ad922c04d6c48f20290133a2d411ca5b34116b63e5ea3

      • C:\Users\Admin\AppData\Local\Temp\is-SU5EI.tmp\file_reJ7-Z1.exe
        Filesize

        2.3MB

        MD5

        e33cc3f7373fa131b295ed8551ca3343

        SHA1

        734dd1751cc4e51288b4b34159cbffe0e74c1310

        SHA256

        dddd2d7596ce3e6f21a5344a607c9e0a0fb472d5b6df2bd2b87c9cfc6b275d0a

        SHA512

        79e8bb7cfa9bff1657e3e0046f1da3224b935ce3695c437ecb098708e4a3ec97b5f24ccdd30078d5945ad922c04d6c48f20290133a2d411ca5b34116b63e5ea3

      • \Users\Admin\AppData\Local\Temp\is-2L6F3.tmp\file_reJ7-Z1.tmp
        Filesize

        2.9MB

        MD5

        623a3abd7b318e1f410b1e12a42c7b71

        SHA1

        88e34041850ec4019dae469adc608e867b936d21

        SHA256

        fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

        SHA512

        9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

      • \Users\Admin\AppData\Local\Temp\is-RHPH8.tmp\Helper.dll
        Filesize

        2.0MB

        MD5

        4eb0347e66fa465f602e52c03e5c0b4b

        SHA1

        fdfedb72614d10766565b7f12ab87f1fdca3ea81

        SHA256

        c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc

        SHA512

        4c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd

      • \Users\Admin\AppData\Local\Temp\is-RHPH8.tmp\botva2.dll
        Filesize

        37KB

        MD5

        67965a5957a61867d661f05ae1f4773e

        SHA1

        f14c0a4f154dc685bb7c65b2d804a02a0fb2360d

        SHA256

        450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105

        SHA512

        c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b

      • \Users\Admin\AppData\Local\Temp\is-S6FR0.tmp\Setup for uplink_patch1_reJ7-Z1.tmp
        Filesize

        3.0MB

        MD5

        0c229cd26910820581b5809c62fe5619

        SHA1

        28c0630385b21f29e3e2bcc34865e5d15726eaa0

        SHA256

        abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

        SHA512

        b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

      • \Users\Admin\AppData\Local\Temp\is-SU5EI.tmp\file_reJ7-Z1.exe
        Filesize

        2.3MB

        MD5

        e33cc3f7373fa131b295ed8551ca3343

        SHA1

        734dd1751cc4e51288b4b34159cbffe0e74c1310

        SHA256

        dddd2d7596ce3e6f21a5344a607c9e0a0fb472d5b6df2bd2b87c9cfc6b275d0a

        SHA512

        79e8bb7cfa9bff1657e3e0046f1da3224b935ce3695c437ecb098708e4a3ec97b5f24ccdd30078d5945ad922c04d6c48f20290133a2d411ca5b34116b63e5ea3

      • memory/1500-215-0x0000000000400000-0x00000000006EE000-memory.dmp
        Filesize

        2.9MB

      • memory/1500-203-0x0000000000240000-0x0000000000241000-memory.dmp
        Filesize

        4KB

      • memory/1500-210-0x00000000035F0000-0x00000000035FF000-memory.dmp
        Filesize

        60KB

      • memory/1924-54-0x0000000000400000-0x00000000004D8000-memory.dmp
        Filesize

        864KB

      • memory/1924-207-0x0000000000400000-0x00000000004D8000-memory.dmp
        Filesize

        864KB

      • memory/1924-227-0x0000000000400000-0x00000000004D8000-memory.dmp
        Filesize

        864KB

      • memory/1988-190-0x0000000000400000-0x00000000004CC000-memory.dmp
        Filesize

        816KB

      • memory/1988-217-0x0000000000400000-0x00000000004CC000-memory.dmp
        Filesize

        816KB

      • memory/2004-208-0x0000000000400000-0x000000000071A000-memory.dmp
        Filesize

        3.1MB

      • memory/2004-61-0x00000000001D0000-0x00000000001D1000-memory.dmp
        Filesize

        4KB

      • memory/2004-218-0x00000000001D0000-0x00000000001D1000-memory.dmp
        Filesize

        4KB

      • memory/2004-220-0x0000000000400000-0x000000000071A000-memory.dmp
        Filesize

        3.1MB

      • memory/2004-225-0x0000000000400000-0x000000000071A000-memory.dmp
        Filesize

        3.1MB