Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 12:00

General

  • Target

    da8791002b6af34e99103220e3e6d078a24e4848f50977cc10e7281b48191935.exe

  • Size

    536KB

  • MD5

    430b555bb62c9a65824b1a96d0eafd1b

  • SHA1

    f1b9d8c31298e9c8dc3a4b96e77d0ffde1ed7835

  • SHA256

    da8791002b6af34e99103220e3e6d078a24e4848f50977cc10e7281b48191935

  • SHA512

    97a728f186954648a1dfa47e71bcbb6ebccf05eb849d4c2295ecfd8580a6cb4087ee2e49c35b6260a80449d7ef55a08aeaa5a8e5e88c648277d8d52c92f113ee

  • SSDEEP

    12288:rhf0Bs9bDDq9huzJgIJzgXaEw9Stu/aB9a/Okx2LIa:rdQyDLzJTveuK0/Okx2LF

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\da8791002b6af34e99103220e3e6d078a24e4848f50977cc10e7281b48191935.exe
      "C:\Users\Admin\AppData\Local\Temp\da8791002b6af34e99103220e3e6d078a24e4848f50977cc10e7281b48191935.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2252

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    344B

    MD5

    05c57765be32598b85f062ad4ec6b414

    SHA1

    fcc6004e073829f062c08c228a493deea6632dcf

    SHA256

    085a64131012852f1bf088b739d0883e35cad979e439f9079dceca2c8757a33f

    SHA512

    7ba7c49ab4ee66c6326d83fafc0105fa649b7901f93f6130ec4fd0dd32cc5541948716638114fd905e9d1e158ca0cb28c926c7b365f193d69de40b3201dae4fc

  • C:\Users\Admin\AppData\Local\Temp\CabA48B.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarA4CC.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1220-6-0x0000000002E70000-0x0000000002EE9000-memory.dmp

    Filesize

    484KB

  • memory/1220-4-0x0000000002B20000-0x0000000002B23000-memory.dmp

    Filesize

    12KB

  • memory/1220-7-0x0000000002B20000-0x0000000002B23000-memory.dmp

    Filesize

    12KB

  • memory/1220-269-0x0000000002E70000-0x0000000002EE9000-memory.dmp

    Filesize

    484KB

  • memory/1220-3-0x0000000002B20000-0x0000000002B23000-memory.dmp

    Filesize

    12KB

  • memory/2252-0-0x00000000008D0000-0x00000000009D2000-memory.dmp

    Filesize

    1.0MB

  • memory/2252-114-0x00000000008D0000-0x00000000009D2000-memory.dmp

    Filesize

    1.0MB

  • memory/2252-373-0x00000000008D0000-0x00000000009D2000-memory.dmp

    Filesize

    1.0MB

  • memory/2252-410-0x00000000008D0000-0x00000000009D2000-memory.dmp

    Filesize

    1.0MB

  • memory/2252-704-0x00000000008D0000-0x00000000009D2000-memory.dmp

    Filesize

    1.0MB

  • memory/2252-718-0x00000000008D0000-0x00000000009D2000-memory.dmp

    Filesize

    1.0MB