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Analysis

  • max time kernel
    44s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 00:09

General

  • Target

    5bebf979dd82efd302b548c79757c05593e851a25d465c8dd4f4e45a09d284b5.exe

  • Size

    274KB

  • MD5

    c41077f9a6d98fbcff5a0888dfc564d2

  • SHA1

    d58f5f1d79354064712de3b14b5b3930fc2a0f87

  • SHA256

    5bebf979dd82efd302b548c79757c05593e851a25d465c8dd4f4e45a09d284b5

  • SHA512

    c896cf994972a49a334b2382ce28996d74bf7a169b5c975daa5943ee5c7d06b7ca283e4db9168a0f6fdbb2fa4859266669b824281693002991d26ac59e907e9e

  • SSDEEP

    6144:DsaocyLCvoSOcbE+3lBIR2gwxwAOjm42c1r8sPYJYHvTWt1Cs:Dtob0MP2gweANBct8qY3ks

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\5bebf979dd82efd302b548c79757c05593e851a25d465c8dd4f4e45a09d284b5.exe
    "C:\Users\Admin\AppData\Local\Temp\5bebf979dd82efd302b548c79757c05593e851a25d465c8dd4f4e45a09d284b5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\i5.exe
      C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\i5.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT131962018S /e5818302 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT131962018S /e5818302 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

    Filesize

    604B

    MD5

    e7ed9b0571e14a4824cebee137d9bcd1

    SHA1

    59d9a27a741aee4bfc0605a287a88782cdafe6ff

    SHA256

    62f9b298a1f9e62f29c486f9cd2731a28302b9215656fd8b1c7c0071071b25ad

    SHA512

    6f6f379a5fbce3afbfb29b159bfe784ecf4b42672c5bc441e89383c54ccd210766388526748c48f9889cfdd5e126054a8d67971d69c46f37bb117e515ad9d400

  • 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\8EDCF682921FE94F4A02A43CD1A28E6B

    Filesize

    188B

    MD5

    ff4b36edd54f24b75d50b4ccb0025541

    SHA1

    2b46ef6d9ecd6688ba94622cb612745bac00232a

    SHA256

    b9d5bf33b643c099054a5763ce9f1a983f2bd15afc054a447438d5d9a2c98fe4

    SHA512

    ef3df7e78209616d87be239ba0bfb0bac849d5c2d505b69151321a1b3a094a74d2269c84b60b0cd9a49682e4fefaacc8333168f03eb743e4d74cd11eea2d9c86

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

    Filesize

    342B

    MD5

    002aa354c45c819153c4d57ac3455af9

    SHA1

    21f9f6fd8c8b63cf4628a8aaf51b5a20a285539b

    SHA256

    97210cf25cdcee625bbc95a4bfc082c2549a3f297a78d5dc23d3c50bed680ad9

    SHA512

    37bb800b70300ef810fe2c80f55a9412dba8c2123aa9a884fd6e2c4706abd708cfe205a2b513d8916bdbe563263d332db40c98131463ce3c75c929b1c522ee6a

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

    Filesize

    404B

    MD5

    17b36accad083abcdb93465fd428f949

    SHA1

    780e8697a5f08732fd0331598cb9e43c7f060031

    SHA256

    401470ae20f84ab05b5d49bd7342e638999e9a07ea72509d8db136f934dd5ac1

    SHA512

    4d8ed5d718498dbe1f08ff62b9cbbe3baf92969f85ce2107c5d1f4702830d76dde507b663f88479140fa237e5d4c7fbefcacd3ef4004ef8a8cb770636113a4b9

  • C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    256KB

    MD5

    6e68cf541f031c7de9da6ec8d86862aa

    SHA1

    115f143b5f585a27006159dc1b2d4d23a7af5295

    SHA256

    d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

    SHA512

    022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

  • C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    256KB

    MD5

    6e68cf541f031c7de9da6ec8d86862aa

    SHA1

    115f143b5f585a27006159dc1b2d4d23a7af5295

    SHA256

    d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

    SHA512

    022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

  • C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\i5.exe

    Filesize

    214KB

    MD5

    0b168b79397a1c3d5a181787e27ea323

    SHA1

    1867e953755169de011fd12009c2f42f300a9d47

    SHA256

    c681e32d308452ee7c24eeebb335ee86cfe42783db2289ef2caa0d0671b53d5a

    SHA512

    3b3e2ff7ad58a677cfbd22dec0c294e0b27ec0b81e8e6e20f45ac228c90472318ec0bec15d6689180b73061b94ea750049688ee5ed95a4e1d205eb94e7d0a250

  • C:\Users\Admin\AppData\Local\Temp\nsy82E.tmp\i5.exe

    Filesize

    214KB

    MD5

    0b168b79397a1c3d5a181787e27ea323

    SHA1

    1867e953755169de011fd12009c2f42f300a9d47

    SHA256

    c681e32d308452ee7c24eeebb335ee86cfe42783db2289ef2caa0d0671b53d5a

    SHA512

    3b3e2ff7ad58a677cfbd22dec0c294e0b27ec0b81e8e6e20f45ac228c90472318ec0bec15d6689180b73061b94ea750049688ee5ed95a4e1d205eb94e7d0a250

  • \Users\Admin\AppData\Local\Temp\nsy82E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

    Filesize

    256KB

    MD5

    6e68cf541f031c7de9da6ec8d86862aa

    SHA1

    115f143b5f585a27006159dc1b2d4d23a7af5295

    SHA256

    d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

    SHA512

    022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

  • \Users\Admin\AppData\Local\Temp\nsy82E.tmp\i5.exe

    Filesize

    214KB

    MD5

    0b168b79397a1c3d5a181787e27ea323

    SHA1

    1867e953755169de011fd12009c2f42f300a9d47

    SHA256

    c681e32d308452ee7c24eeebb335ee86cfe42783db2289ef2caa0d0671b53d5a

    SHA512

    3b3e2ff7ad58a677cfbd22dec0c294e0b27ec0b81e8e6e20f45ac228c90472318ec0bec15d6689180b73061b94ea750049688ee5ed95a4e1d205eb94e7d0a250

  • \Users\Admin\AppData\Local\Temp\nsy82E.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/1596-61-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/1596-77-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-54-0x0000000076461000-0x0000000076463000-memory.dmp

    Filesize

    8KB

  • memory/1716-73-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/1716-74-0x0000000000AE9000-0x0000000000AFA000-memory.dmp

    Filesize

    68KB

  • memory/1716-75-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/1716-76-0x0000000000AE9000-0x0000000000AFA000-memory.dmp

    Filesize

    68KB