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Overview

overview

10

Static

static

8

c2ff7f8ca8...f4.exe

windows7-x64

10

c2ff7f8ca8...f4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 14:36

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General

  • Target

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4.exe

  • Size

    191KB

  • MD5

    2150e9d668b9f2ce453de405bfc4615d

  • SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

  • SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

  • SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

  • SSDEEP

    3072:4rBK8fxYY3QxCdax/77OIrthxFK5joutjyAn:uK85B3QUdq/RZM5joSeA

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 14 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
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • 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 63 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 9 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 4 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4.exe
    "C:\Users\Admin\AppData\Local\Temp\c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:612
    • 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:740
      • C:\Users\Admin\E696D64614\winlogon.exe
        "C:\Users\Admin\E696D64614\winlogon.exe"
        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
        • Adds Run key to start application
        • 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:1472
  • 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:1816
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1816 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    342B

    MD5

    c587b8fe632d6682f7be506b69e3ac97

    SHA1

    56479d7975bf554c1d47d4973b81f6d4921642ab

    SHA256

    0621baf7c7af807e219de749becb373111581cef551add7bff695c3e3070cc4c

    SHA512

    c825a2b8e1f442a0062f36d879de1a782dddce688ddc5b6c53d41e8cfdfc842dc27c6f6cf4e28e608c8f802efa95f2c96b1f744343ee813b306ee733da0999a5

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\B1ZAR30F.txt
    Filesize

    608B

    MD5

    6520342eb6b24ebe843ae56457f5c56f

    SHA1

    e6abe29f4a2dbe1fc3c73f4505b1dfebb41c4f9f

    SHA256

    46cdecbc730f9700edcc2c8a296da1c67618926667f4c7467a427857862e6130

    SHA512

    fd9e96831287ed5ebbd160e25117ca798256584acdc9a96c2b192ff32bbbd789741476d3b09d49769967360943c2b002168d498908bec9b9877ddaf7c82be192

    Download Submit

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

    191KB

    MD5

    2150e9d668b9f2ce453de405bfc4615d

    SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

    SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

    Download Submit

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

    191KB

    MD5

    2150e9d668b9f2ce453de405bfc4615d

    SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

    SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

    Download Submit

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

    191KB

    MD5

    2150e9d668b9f2ce453de405bfc4615d

    SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

    SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

    Download Submit

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

    191KB

    MD5

    2150e9d668b9f2ce453de405bfc4615d

    SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

    SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

    Download Submit

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

    191KB

    MD5

    2150e9d668b9f2ce453de405bfc4615d

    SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

    SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

    Download Submit

  • memory/612-57-0x0000000075011000-0x0000000075013000-memory.dmp

    Filesize

    8KB

    Download

  • memory/612-56-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

    Download

  • memory/612-62-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

    Download

  • memory/740-78-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

    Download

  • memory/740-65-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

    Download

  • memory/1472-72-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/1472-73-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/1472-76-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/1472-68-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/1472-80-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download