Analysis

  • max time kernel
    151s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:55

General

  • Target

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe

  • Size

    612KB

  • MD5

    0f0af45d78514869399addcd3fc50da7

  • SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

  • SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

  • SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

  • SSDEEP

    12288:xIeOwXZRMQ73JafDewLShHNuNC9u7OTss40DASxcEyWynXXGOxhV:rOw8Q73rwLShtJ9u7mDL7UGov

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe
    "C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\494093797.xml"
      2⤵
      • Creates scheduled task(s)
      PID:784
    • C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe
      "C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe"
      2⤵
      • Executes dropped EXE
      PID:1708
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      "C:\Users\Admin\AppData\Local\Temp\csrss.exe" -keyhide -prochide 1708 -reg C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe -proc 1708 C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\494093797.xml

    Filesize

    1KB

    MD5

    7e3e4939cddc254936e8b7c3b5f64249

    SHA1

    fe78a636a775464ce26c318bbc34e16466772e19

    SHA256

    fb6a21336c408fd7ac765b757bb8debfda74cef0158f085a98437c5770df7e2a

    SHA512

    e897f8b8288457e702e94c2b897d8ac65fb7258ff0a6238a1c40da54c81b33f7c7a364ab1650fe9c1d31ecf1bba22dbfe4c77e432e01d3deee6b60dd52468d90

  • C:\Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe

    Filesize

    612KB

    MD5

    0f0af45d78514869399addcd3fc50da7

    SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

    SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

    SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

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

    Filesize

    612KB

    MD5

    0f0af45d78514869399addcd3fc50da7

    SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

    SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

    SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

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

    Filesize

    612KB

    MD5

    0f0af45d78514869399addcd3fc50da7

    SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

    SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

    SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

  • \Users\Admin\AppData\Local\Temp\95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad.exe

    Filesize

    612KB

    MD5

    0f0af45d78514869399addcd3fc50da7

    SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

    SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

    SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

  • \Users\Admin\AppData\Local\Temp\csrss.exe

    Filesize

    612KB

    MD5

    0f0af45d78514869399addcd3fc50da7

    SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

    SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

    SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

  • \Users\Admin\AppData\Local\Temp\csrss.exe

    Filesize

    612KB

    MD5

    0f0af45d78514869399addcd3fc50da7

    SHA1

    9c9ef6a5d8e5306a46a06613a4e25cfdccef53ba

    SHA256

    95438b437baab92cb111908d93413ff884dd24e7bc5e9e0df498af911102e7ad

    SHA512

    54647c4fa512ecbf3fc04f4181c50bbea97a273e21eff20c3fdeadb969947451c4a1f9b5863be1d092612567436f5b75b5460baa64950541476c3943453c819c

  • memory/544-87-0x0000000073F20000-0x00000000744CB000-memory.dmp

    Filesize

    5.7MB

  • memory/544-86-0x0000000073F20000-0x00000000744CB000-memory.dmp

    Filesize

    5.7MB

  • memory/544-79-0x0000000000000000-mapping.dmp

  • memory/784-57-0x0000000000000000-mapping.dmp

  • memory/1228-83-0x0000000073F20000-0x00000000744CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1228-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

    Filesize

    8KB

  • memory/1228-84-0x0000000000A36000-0x0000000000A47000-memory.dmp

    Filesize

    68KB

  • memory/1228-56-0x0000000000A36000-0x0000000000A47000-memory.dmp

    Filesize

    68KB

  • memory/1228-55-0x0000000073F20000-0x00000000744CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-60-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1708-75-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1708-73-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1708-68-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1708-70-0x0000000000480C3E-mapping.dmp

  • memory/1708-66-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1708-85-0x0000000073F20000-0x00000000744CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1708-63-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1708-61-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB