Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 20:45

General

  • Target

    38381aa1b897a8c4533a83fd5bfc60fdc9a839b568a26033649005dfc164ad75.exe

  • Size

    314KB

  • MD5

    b83ea939e613dd56cb93f4917e7d9d50

  • SHA1

    121f18843dc6fe8779247ab0a931bd6840c67436

  • SHA256

    38381aa1b897a8c4533a83fd5bfc60fdc9a839b568a26033649005dfc164ad75

  • SHA512

    3ab8a22f6c6ca34dbd59b4ff37e4ee46cc607a5d1321cfbf263fbc17c6c670188feface18aa1729808911c6dee7013d36c90f4522f71f7a534d16ed2fb96e229

Score
10/10

Malware Config

Signatures

  • Detects PlugX Payload 9 IoCs
  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 33 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38381aa1b897a8c4533a83fd5bfc60fdc9a839b568a26033649005dfc164ad75.exe
    "C:\Users\Admin\AppData\Local\Temp\38381aa1b897a8c4533a83fd5bfc60fdc9a839b568a26033649005dfc164ad75.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:908
  • C:\ProgramData\QQUpdater\QQBrowserUpdateService.exe
    "C:\ProgramData\QQUpdater\QQBrowserUpdateService.exe" 100 908
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    PID:1008
  • C:\ProgramData\QQUpdater\QQBrowserUpdateService.exe
    "C:\ProgramData\QQUpdater\QQBrowserUpdateService.exe" 200 0
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe 201 0
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\system32\msiexec.exe 209 1600
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\QQUpdater\QQBrowser.pak

    Filesize

    120KB

    MD5

    768fb7e913b66701a20cdea2abc7f884

    SHA1

    10e8ddf7333109b430ccaeb87ae644051d120f5e

    SHA256

    92812f4d34aca0bd7c7e2f67abd2c1813546f2826ec3380fc45a5ea0822ea76b

    SHA512

    19c261f9b6508288f0e88d1b9f6385d3393bcb92d6a31c521ea6a22955f17d02b9e1dc690812bdaa9a3ad84ba9929a5732529b78b0f6df560bca573170a23290

  • C:\ProgramData\QQUpdater\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • C:\ProgramData\QQUpdater\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • C:\ProgramData\QQUpdater\pdh.dll

    Filesize

    8KB

    MD5

    2ab8934a0133f1cf3122b1bbab6de846

    SHA1

    4e0db9d32f99d724fdaa56d18e9fad687333f18a

    SHA256

    462713911bac73ee904afab28d19f366b6b125ca7656144142654892319259fc

    SHA512

    164075833213b164b722854252f5349fdae8cb9ba80028fde7670f5bb90b9dae34befd4e32ffc1cd11ae6cbad3fc3176e77a3a85cdf1583c73153387d6d831c5

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowser.pak

    Filesize

    120KB

    MD5

    768fb7e913b66701a20cdea2abc7f884

    SHA1

    10e8ddf7333109b430ccaeb87ae644051d120f5e

    SHA256

    92812f4d34aca0bd7c7e2f67abd2c1813546f2826ec3380fc45a5ea0822ea76b

    SHA512

    19c261f9b6508288f0e88d1b9f6385d3393bcb92d6a31c521ea6a22955f17d02b9e1dc690812bdaa9a3ad84ba9929a5732529b78b0f6df560bca573170a23290

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\pdh.dll

    Filesize

    8KB

    MD5

    2ab8934a0133f1cf3122b1bbab6de846

    SHA1

    4e0db9d32f99d724fdaa56d18e9fad687333f18a

    SHA256

    462713911bac73ee904afab28d19f366b6b125ca7656144142654892319259fc

    SHA512

    164075833213b164b722854252f5349fdae8cb9ba80028fde7670f5bb90b9dae34befd4e32ffc1cd11ae6cbad3fc3176e77a3a85cdf1583c73153387d6d831c5

  • \ProgramData\QQUpdater\PDH.dll

    Filesize

    8KB

    MD5

    2ab8934a0133f1cf3122b1bbab6de846

    SHA1

    4e0db9d32f99d724fdaa56d18e9fad687333f18a

    SHA256

    462713911bac73ee904afab28d19f366b6b125ca7656144142654892319259fc

    SHA512

    164075833213b164b722854252f5349fdae8cb9ba80028fde7670f5bb90b9dae34befd4e32ffc1cd11ae6cbad3fc3176e77a3a85cdf1583c73153387d6d831c5

  • \ProgramData\QQUpdater\PDH.dll

    Filesize

    8KB

    MD5

    2ab8934a0133f1cf3122b1bbab6de846

    SHA1

    4e0db9d32f99d724fdaa56d18e9fad687333f18a

    SHA256

    462713911bac73ee904afab28d19f366b6b125ca7656144142654892319259fc

    SHA512

    164075833213b164b722854252f5349fdae8cb9ba80028fde7670f5bb90b9dae34befd4e32ffc1cd11ae6cbad3fc3176e77a3a85cdf1583c73153387d6d831c5

  • \Users\Admin\AppData\Local\Temp\RarSFX0\PDH.dll

    Filesize

    8KB

    MD5

    2ab8934a0133f1cf3122b1bbab6de846

    SHA1

    4e0db9d32f99d724fdaa56d18e9fad687333f18a

    SHA256

    462713911bac73ee904afab28d19f366b6b125ca7656144142654892319259fc

    SHA512

    164075833213b164b722854252f5349fdae8cb9ba80028fde7670f5bb90b9dae34befd4e32ffc1cd11ae6cbad3fc3176e77a3a85cdf1583c73153387d6d831c5

  • \Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • \Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • \Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • \Users\Admin\AppData\Local\Temp\RarSFX0\QQBrowserUpdateService.exe

    Filesize

    204KB

    MD5

    bf8c7b6e88a049fda4ebd7407488aca6

    SHA1

    8b889494f25aafcef5e92b6cc7b2e0e0e217e60a

    SHA256

    28e0bafc9b20c4a5104d558a36600098429e8ac779a46e52a28edd432e6457e2

    SHA512

    35a72a887e4389bf7faa5ebe712d569301d03678816b2631712138628f03dd26430682a2ec656ae7167c19314f8c6dc162993789bdb0b3eca298f95c3f27da08

  • memory/692-93-0x0000000000280000-0x00000000002B0000-memory.dmp

    Filesize

    192KB

  • memory/692-91-0x0000000000280000-0x00000000002B0000-memory.dmp

    Filesize

    192KB

  • memory/908-75-0x0000000000350000-0x0000000000380000-memory.dmp

    Filesize

    192KB

  • memory/908-66-0x0000000000350000-0x0000000000380000-memory.dmp

    Filesize

    192KB

  • memory/908-65-0x0000000001CF0000-0x0000000001DF0000-memory.dmp

    Filesize

    1024KB

  • memory/1008-74-0x0000000000680000-0x00000000006B0000-memory.dmp

    Filesize

    192KB

  • memory/1008-86-0x0000000000680000-0x00000000006B0000-memory.dmp

    Filesize

    192KB

  • memory/1380-54-0x0000000076C81000-0x0000000076C83000-memory.dmp

    Filesize

    8KB

  • memory/1600-80-0x00000000000A0000-0x00000000000BD000-memory.dmp

    Filesize

    116KB

  • memory/1600-85-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1600-92-0x0000000000210000-0x0000000000240000-memory.dmp

    Filesize

    192KB

  • memory/1680-84-0x00000000007F0000-0x0000000000820000-memory.dmp

    Filesize

    192KB