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Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 11:49

General

  • Target

    5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe

  • Size

    274KB

  • MD5

    f6c016bd5c739bbefe676351c4eb2591

  • SHA1

    fc9d82e26bad1160bff89b95e5bee729d617a8e2

  • SHA256

    5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2

  • SHA512

    1b58faac65ed1a0179d1b9a4ba216977f047fad44fa6efcdfc0ff848f0be4f658f62b690450d34f4a103a0feb86748f86f3035f1f85ed9dec7a2f32b7481e1c5

  • SSDEEP

    6144:dsaocyLCPcZsfV7LiWfr9TJVxckVTXl2LN6Qq04JL7J1M4kg:dtobWbf8kVTiZcJR

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe
    "C:\Users\Admin\AppData\Local\Temp\5369566634e73ae7ad2a7391bee7399eab919db9c0b4bd2dee556a9b1df143f2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\installer.exe
      C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\installer.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT131921209S /e6034154 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT131921209S /e6034154 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

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

    Filesize

    342B

    MD5

    edbdac12ff933314ba9bd6f0968e2f44

    SHA1

    834290a4ad79d4c41e3a302c43864faeaa2f6f49

    SHA256

    8e8dd1d792fb13ccf2664c07525cc9efdcc64d3d44337bfb9028c468205bb0b2

    SHA512

    f7ed5a80a35d1b184a23febc06becc7a7b4f1b9a8ac5a135f1b77dc47e1a08790371d1903aaa00e936ef21a59f0a2686267a7a17179f75cd574632c9a5a5936b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

    Filesize

    404B

    MD5

    ce137759b5abae48fbe8dfb40c1d3842

    SHA1

    aac632031d9f6f994bf78a2b58bb8c4d9b216ffb

    SHA256

    970a6dc5068d48104410d0398ca6cdefa3229269db6886705e208d5c5de120d6

    SHA512

    983f03551651cb0e702f0024054ef47349fd97e3d88664d342c55ccac0dce1cc1aeab394676d595a380ce66e6a10de05c7d2a7597a03c9869f54c026868cb3c0

  • C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    256KB

    MD5

    6e68cf541f031c7de9da6ec8d86862aa

    SHA1

    115f143b5f585a27006159dc1b2d4d23a7af5295

    SHA256

    d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

    SHA512

    022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

  • C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    256KB

    MD5

    6e68cf541f031c7de9da6ec8d86862aa

    SHA1

    115f143b5f585a27006159dc1b2d4d23a7af5295

    SHA256

    d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

    SHA512

    022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

  • C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\installer.exe

    Filesize

    214KB

    MD5

    7cf3bce5ecf2aea97b49e2eba8ca0aba

    SHA1

    543f5fc23df08f946488d27b2fb16b13b6311d1a

    SHA256

    7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

    SHA512

    5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

  • C:\Users\Admin\AppData\Local\Temp\nstE9E5.tmp\installer.exe

    Filesize

    214KB

    MD5

    7cf3bce5ecf2aea97b49e2eba8ca0aba

    SHA1

    543f5fc23df08f946488d27b2fb16b13b6311d1a

    SHA256

    7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

    SHA512

    5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

  • \Users\Admin\AppData\Local\Temp\nstE9E5.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    256KB

    MD5

    6e68cf541f031c7de9da6ec8d86862aa

    SHA1

    115f143b5f585a27006159dc1b2d4d23a7af5295

    SHA256

    d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

    SHA512

    022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

  • \Users\Admin\AppData\Local\Temp\nstE9E5.tmp\installer.exe

    Filesize

    214KB

    MD5

    7cf3bce5ecf2aea97b49e2eba8ca0aba

    SHA1

    543f5fc23df08f946488d27b2fb16b13b6311d1a

    SHA256

    7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

    SHA512

    5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

  • \Users\Admin\AppData\Local\Temp\nstE9E5.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/1784-73-0x0000000000369000-0x000000000037A000-memory.dmp

    Filesize

    68KB

  • memory/1784-69-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/1784-74-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/1784-75-0x0000000000369000-0x000000000037A000-memory.dmp

    Filesize

    68KB

  • memory/1972-54-0x0000000075501000-0x0000000075503000-memory.dmp

    Filesize

    8KB

  • memory/2036-61-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-72-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-76-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB