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Overview

overview

10

Static

static

8

b59b724091...77.exe

windows7-x64

10

b59b724091...77.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 17:53

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General

  • Target

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277.exe

  • Size

    546KB

  • MD5

    9c6e9bae04e514b47eefbddbb5e67d2b

  • SHA1

    6e9b1f7ee1b723035409ecd1d16c932b4141e1cb

  • SHA256

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277

  • SHA512

    0bb63b5cd7f019fccfe4a8e77cb15ae9a69de84ad7d9e89e7235a15e19bd540eefa68002bfa7a15c70fe94b77f0c3bc1340781ca5da1dde7fd5305ecbc4bdee0

  • SSDEEP

    3072:CNnqDxIGX/9nDiG7t6yCAti1zxGJidD5iYAHg4Cs7lJgxwL0out:CNnxKL0oS

Score
10/10
evasionpersistencespywarestealertrojanupx

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 14 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • UAC bypass 3 TTPs 3 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 4 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
    persistence
  • UPX packed file 12 IoCs

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

    upx
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 15 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
    stealer
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 4 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277.exe
    "C:\Users\Admin\AppData\Local\Temp\b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\E696D64614\winlogon.exe
      "C:\Users\Admin\E696D64614\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Users\Admin\E696D64614\winlogon.exe
        Error 448
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Sets file execution options in registry
        • Windows security modification
        • Checks whether UAC is enabled
        • Modifies Control Panel
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:1636
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1188 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1364

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

    Download Submit

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

    342B

    MD5

    bf917bfaee634e27f81d64772d5ceada

    SHA1

    97e111f4c1e355b523cc4ec3dc0bd50a0f8b5290

    SHA256

    13ef7c3b7e02fe8c3a21c0af23cc0f2523809e57e073ccc5767af64c431bbb7f

    SHA512

    665dfdcabc04ccc50c3647faa5f01d3e9c1cb364913129094b6dce1dd2d623e026d09fcc417daaa2b31d8cab7989ae08ba51a05063f180e0940ba432aaa2ee22

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    546KB

    MD5

    9c6e9bae04e514b47eefbddbb5e67d2b

    SHA1

    6e9b1f7ee1b723035409ecd1d16c932b4141e1cb

    SHA256

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277

    SHA512

    0bb63b5cd7f019fccfe4a8e77cb15ae9a69de84ad7d9e89e7235a15e19bd540eefa68002bfa7a15c70fe94b77f0c3bc1340781ca5da1dde7fd5305ecbc4bdee0

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    546KB

    MD5

    9c6e9bae04e514b47eefbddbb5e67d2b

    SHA1

    6e9b1f7ee1b723035409ecd1d16c932b4141e1cb

    SHA256

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277

    SHA512

    0bb63b5cd7f019fccfe4a8e77cb15ae9a69de84ad7d9e89e7235a15e19bd540eefa68002bfa7a15c70fe94b77f0c3bc1340781ca5da1dde7fd5305ecbc4bdee0

    Download Submit

  • C:\Users\Admin\E696D64614\winlogon.exe
    Filesize

    546KB

    MD5

    9c6e9bae04e514b47eefbddbb5e67d2b

    SHA1

    6e9b1f7ee1b723035409ecd1d16c932b4141e1cb

    SHA256

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277

    SHA512

    0bb63b5cd7f019fccfe4a8e77cb15ae9a69de84ad7d9e89e7235a15e19bd540eefa68002bfa7a15c70fe94b77f0c3bc1340781ca5da1dde7fd5305ecbc4bdee0

    Download Submit

  • \Users\Admin\E696D64614\winlogon.exe
    Filesize

    546KB

    MD5

    9c6e9bae04e514b47eefbddbb5e67d2b

    SHA1

    6e9b1f7ee1b723035409ecd1d16c932b4141e1cb

    SHA256

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277

    SHA512

    0bb63b5cd7f019fccfe4a8e77cb15ae9a69de84ad7d9e89e7235a15e19bd540eefa68002bfa7a15c70fe94b77f0c3bc1340781ca5da1dde7fd5305ecbc4bdee0

    Download Submit

  • \Users\Admin\E696D64614\winlogon.exe
    Filesize

    546KB

    MD5

    9c6e9bae04e514b47eefbddbb5e67d2b

    SHA1

    6e9b1f7ee1b723035409ecd1d16c932b4141e1cb

    SHA256

    b59b724091cead1305095f15b85073b6208cbb46ccf5a67a253862fb9e905277

    SHA512

    0bb63b5cd7f019fccfe4a8e77cb15ae9a69de84ad7d9e89e7235a15e19bd540eefa68002bfa7a15c70fe94b77f0c3bc1340781ca5da1dde7fd5305ecbc4bdee0

    Download Submit

  • memory/1144-67-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download

  • memory/1636-68-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

    Download

  • memory/1636-72-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

    Download

  • memory/1636-73-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

    Download

  • memory/1636-77-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

    Download

  • memory/1976-56-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download

  • memory/1976-62-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

    Download

  • memory/1976-57-0x00000000762B1000-0x00000000762B3000-memory.dmp

    Filesize

    8KB

    Download