Windows 7 deprecation

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Analysis

  • max time kernel
    35s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 04:13

General

  • Target

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817.exe

  • Size

    543KB

  • MD5

    825100d6daff20bdd270b180f808d806

  • SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

  • SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

  • SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • SSDEEP

    6144:oa7m8DALU2df1HgpW+AvnfHFfCzGaEsu3c3ylXbWSullT/qYsgbWa6nU52QSFpnz:PUk5L52QSFpIc3bIKTsusSDz8hFPhs7

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 22 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 14 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817.exe
    "C:\Users\Admin\AppData\Local\Temp\661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817.exe"
    1⤵
    • Adds policy Run key to start application
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\Local Settings\Application Data\Microsoft\Windows\winlogon.exe
      "C:\Users\Admin\Local Settings\Application Data\Microsoft\Windows\winlogon.exe" /a 1
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 552
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • C:\Users\Admin\AppData\Local\Temp\Twain002.Mtx

    Filesize

    10B

    MD5

    fb94569c4257a2e21bdf66a4346d75fd

    SHA1

    73dced5ad758ed7e888d67afca09ecd0635e1632

    SHA256

    c3261d669f63184dc871bb804527813ccd64f20c4241cadf9defa94dc1cf0cd6

    SHA512

    d4c06e6371e84b339baddb5b7c8f0f1a4a857bb4cae214db5b7b90c3ea87e9eae52849e75f5ce530669db1ae485496405a6a82f308994ae97377a71263812f29

  • \PROGRA~3\MICROS~1\clipsrv.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \PROGRA~3\MICROS~1\clipsrv.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \ProgramData\Microsoft\mqtgsvc.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \ProgramData\Microsoft\mqtgsvc.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \ProgramData\Microsoft\spoolsv.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \ProgramData\Microsoft\spoolsv.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\clipsrv.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\clipsrv.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Local\Microsoft\Windows\winlogon.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Roaming\MICROS~1\smss.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Roaming\MICROS~1\smss.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Roaming\Microsoft\mstinit.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Roaming\Microsoft\mstinit.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Roaming\Microsoft\sessmgr.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • \Users\Admin\AppData\Roaming\Microsoft\sessmgr.exe

    Filesize

    543KB

    MD5

    825100d6daff20bdd270b180f808d806

    SHA1

    c79792ebd55b9b917b80eb96c5775c3b82e802b7

    SHA256

    661b7a8563f9623a5cb7d25c0d2da3428beb62e4582ac05e1839997a6ee30817

    SHA512

    4e1097be9dfcd225739d9e5c25b98bb7e3eccc1ea7b31b849c474fb67290e6262c78b188971f3e6217036e76c83e476d33d930ffebe2c2f3d92adf62372f497c

  • memory/1476-74-0x0000000075C81000-0x0000000075C83000-memory.dmp

    Filesize

    8KB