Analysis

  • max time kernel
    30s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-02-2024 14:00

General

  • Target

    HawkEye.exe

  • Size

    232KB

  • MD5

    60fabd1a2509b59831876d5e2aa71a6b

  • SHA1

    8b91f3c4f721cb04cc4974fc91056f397ae78faa

  • SHA256

    1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838

  • SHA512

    3e842a7d47b32942adb936cae13293eddf1a6b860abcfe7422d0fb73098264cc95656b5c6d9980fad1bf8b5c277cd846c26acaba1bef441582caf34eb1e5295a

  • SSDEEP

    3072:BMhIBKH7j7DzQi7y5bvl4YAbdY9KWvwn7XHMzqEOf64CEEl64HBVdGXPKD:BMh5H7j5g54YZKXoxOuEEl64HZAi

Malware Config

Signatures

  • Chimera 64 IoCs

    Ransomware which infects local and network files, often distributed via Dropbox links.

  • Chimera Ransomware Loader DLL 1 IoCs

    Drops/unpacks executable file which resembles Chimera's Loader.dll.

  • Renames multiple (2031) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 37 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • Modifies Internet Explorer settings 1 TTPs 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HawkEye.exe
    "C:\Users\Admin\AppData\Local\Temp\HawkEye.exe"
    1⤵
    • Chimera
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -k "C:\Users\Admin\Music\YOUR_FILES_ARE_ENCRYPTED.HTML"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1520 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Java\jdk1.7.0_80\jre\YOUR_FILES_ARE_ENCRYPTED.HTML

    Filesize

    4KB

    MD5

    9c5aa34758f592c9a2bd8214d47aaa07

    SHA1

    99f85ba16f31e3b2dd9a239941b05a0e0d0cf553

    SHA256

    eaa2f0b477735105dd3c4cce3073f036ec8b3ace50035fe1cbde42d084a8ab03

    SHA512

    b57471ae0265d16e1af7f12e90ae2bdb2feeee1557306b5b5f2832364ac251cba269baab9eea5a802be4d23059f15ad92db7d360c058917d4efce05e7e0ace3c

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

    Filesize

    344B

    MD5

    53ec727ccfad84c7d6fb8f9971b6bbec

    SHA1

    e3b6fd1c5963d81d18e8ef8658597975dcbb688d

    SHA256

    f6dbde99f74169e55d615b3654a6a1eba69ccbce5bf66df5f8363e78b889e94d

    SHA512

    9cb355b2c24e79d88f01d01fd8d4d8582bfe05457564de3b05e27469adcee8c5c8f537c11abbdf32c097b93c5a78dfb4bf3a7962a6c3513128c62b148a32718a

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

    Filesize

    344B

    MD5

    7b92734dbf122d87de5a8e53b24c5dd2

    SHA1

    d44ac00eb3b0813a9459cc0c965ad0fa0f1496bd

    SHA256

    47b4267a1c1113e145085c9248f5f50c1d8db049466c8c944cf402c62a6efe08

    SHA512

    fc52e579611b92ad930812b809ea3cca3daf80fb298c021e6a7640c2224a765ee5a509627826f0638c4520bd79d8686c6ca8d05604d7307dad2c6e9825171111

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

    Filesize

    344B

    MD5

    ef541cd76b45f8fb1c296c9803dbbe5f

    SHA1

    e9c022bb2f2c6d0050099c34bbea4e6377d58689

    SHA256

    ed52b6ad4ebb680db8cfb095af325516b4fc6c82cdf1cad47efa207087781a17

    SHA512

    1a3cfac7ade0f62bfb2ffe07b489a889fb4fea53f58668ee78b49f907201c3010514d748eaf1772ad2f3f1b32de792bb0267bf7456f383dbfe6f687d79296aab

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

    Filesize

    344B

    MD5

    fd92b9d75339e5be0e0b064858c477b2

    SHA1

    f66630c8e507d6fd82798b5f4e3091314fb403ba

    SHA256

    dd69cd78e30785e1c31636d19ab029588b249f99f09a5b7132f83ac5fa33c61e

    SHA512

    1d59a7387401c6624ef6f896dd673a4e644a5fb37c846b884e5c694a90cb29db20cb2e6d0c9f3648d7bf01c04b77b4c7098a14b29b691799ee3493e39b2987aa

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

    Filesize

    344B

    MD5

    4f191b23e6069cf801c5ab8424ed05dc

    SHA1

    3e464989ef443c45fa706c532094a8690faac914

    SHA256

    3b6e1bb574fd3d524d3f5d903d0c9866d111aef9958ae27c8a45c951d157f8d3

    SHA512

    b3ded2477d4a79d18d96e4b35db3dd0f9a470468bad1461cee34e46fced4303a3d6516851a2ecc1c43d12e4b73bd33f772b6e8fdf5d980c268e57be097514aba

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

    Filesize

    344B

    MD5

    32c7a908a52d732c0db128f045ccd301

    SHA1

    7374a5d106e4c64fd653096d61fbe2b267b6b7ad

    SHA256

    860e4b43bd70b8405700e88b34e8cc524386f55d26100c5334b574b1cfe32cfe

    SHA512

    0a29b78b8a3764c1feb052647cfd3d5d54a07c3eab8f16dd6255c83aa3fb5e00fa5374c0c7abb22c44353bb467e25113d5467e7fd30692eb4f78753d2880e833

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

    Filesize

    344B

    MD5

    1cf21b8f18206bb823cb0ea2b8ebfc80

    SHA1

    ade8f78b15c3622499a4782c350b246971bf3ab0

    SHA256

    65951feedd1e82eaf82842b75d449109c87f38d507ca532e957fb25fd1083257

    SHA512

    653142748f09f2c425e6a5fab73cfbf74a03ce45b246fa31d6a387afa52437c1c328fc3338daff591a38ca071b067f660d93255d37572a633d8dda96c13a4c53

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

    Filesize

    344B

    MD5

    12ae8f4ce0c3d5e3e007d91c77423a35

    SHA1

    dcccccb85b43f99d46029a2570c84210ec5e1ec6

    SHA256

    8bb639c42166629e0048885d898f135343f6096a5ea30934122a0f37211cee35

    SHA512

    8d9eb9d87728091f03c3fa15f6499fc0675e7c6cdb3af2c54a2982e13b0c2eb0a11858e38aba4884798fe3e8e1bbba542ba64e1563ae4aa2b7c9f15d1556d1eb

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

    Filesize

    344B

    MD5

    96c47547604ae5546d6f625c69122d12

    SHA1

    4bf7e79b63a01caaaf11a0fabcc889fa702b68d0

    SHA256

    cc435a98785fcb45974927c4788b14916ea4ea8b65b6310e932baa0808bb15df

    SHA512

    988338bbb6ee5b8b3469e5e69511eaed91fcb6773556d712ddc2535c934292515847524e51af8d9ae86fe77237258864f59e5114ff0ab4c99eef12fb25a70984

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

    Filesize

    344B

    MD5

    d8d6142a000da0e49c311444a37989ec

    SHA1

    89bb990c4eeda5f66046ab19c13069fd93953bae

    SHA256

    4ea3b9d7e0d9e1f0823d7a7db331322c1794b7fee7ad66514fbcd45f2597a94d

    SHA512

    2c64c722e0d13bbe1859d5b98235a2a7cfbb05d51f7cec8cacced437cf10fdc2e46f94b0f66166cb5176efd18d7c41e1cbb5e11481264954ff8267f1e8ff73a7

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

    Filesize

    344B

    MD5

    86d77cee716273457fe749b96ca3f9ad

    SHA1

    ce04c5f00d815503eead8b70b44d535ff41d3d6b

    SHA256

    a3bf1a4eba46710ee681098130b21749bea33ef0b3516ca1e54135924ef86b3c

    SHA512

    8a5e75cb5b897ea3f68ce355705c7fc8741eff7013e16317079a07410bcf7c42d522ae71453b77452ee52b4895bd485aaf98390ac03a968eaddb1cdf217cc87b

  • C:\Users\Admin\AppData\Local\Temp\CabD07B.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarD0DB.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2936-0-0x00000000748A0000-0x0000000074E4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2936-4370-0x00000000008A0000-0x00000000009A0000-memory.dmp

    Filesize

    1024KB

  • memory/2936-4284-0x0000000000150000-0x0000000000190000-memory.dmp

    Filesize

    256KB

  • memory/2936-2856-0x00000000748A0000-0x0000000074E4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2936-10-0x00000000004B0000-0x00000000004CA000-memory.dmp

    Filesize

    104KB

  • memory/2936-1-0x00000000748A0000-0x0000000074E4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2936-2-0x0000000000150000-0x0000000000190000-memory.dmp

    Filesize

    256KB

  • memory/2936-3-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/2936-8-0x00000000008A0000-0x00000000009A0000-memory.dmp

    Filesize

    1024KB

  • memory/2936-9-0x00000000004B0000-0x00000000004CA000-memory.dmp

    Filesize

    104KB