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Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2023, 14:09

General

  • Target

    CCIS/CCleaner/CCleaner64.exe

  • Size

    23.4MB

  • MD5

    99123031f2cefbf6a525f69a5c22e590

  • SHA1

    d7574c8f837bf40ba0e36d2ae1051b3bcaa0e8d6

  • SHA256

    2f6de608047ad892098b1dc368afee0c14d85e20e38835df8c85715660983ad1

  • SHA512

    2334bcd0b0cd501a9dbd56d352c8cdf13c2968e20902356b4792f0dfde62dc39969da03266868d79a858aae284cf8b8c88f5d8cd187721b384486e6defda3e41

  • SSDEEP

    196608:Ub4ZkHPfPHOm13/3Ev3wZ5h82rLZaV/7corqNgmow3QlxA9ORd37:AvHOm1P3EvgZ5hzEV/AorqNHH3fG37

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks for any installed AV software in registry 1 TTPs 6 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\CCIS\CCleaner\CCleaner64.exe
    "C:\Users\Admin\AppData\Local\Temp\CCIS\CCleaner\CCleaner64.exe"
    1⤵
    • Checks for any installed AV software in registry
    • Writes to the Master Boot Record (MBR)
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    344B

    MD5

    259d80d81de5f79fe6b433ba9b8626ba

    SHA1

    f95c13f33ef45d65832277816608c439c726b3e2

    SHA256

    22e620cf15950ba9290b771f2813a60bf622b7b00ccca36f93518f6631ca2f05

    SHA512

    06104d176a7b88dc61a03dd7018036f9bd39a1f7f03f4ee075fb1ef24237a36114568b2db8355b52afa4391fcd16239f526363824761b32b1b6c22e4c0a9b08b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WebCache\V01.log

    Filesize

    512KB

    MD5

    1ea6c03c79684439d42ff16a38673adf

    SHA1

    47c1d1c71fba6af1053f0f34a4dd19dc9fe8d3b8

    SHA256

    6e340cdc3a87557db4fba15d373e917746168ce98da9854360381d48a457e6bc

    SHA512

    6fac262923f1920603ba8476f9f0e0b268f6b9f3797f02091dcb17fcb6ff8c3f3325ee32ae13b76482df428626150ef683e77818adfb07a28c01372f4b387b3e

  • C:\Users\Admin\AppData\Local\Temp\CabBF4B.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarBF8D.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2760-85-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

    Filesize

    4KB

  • memory/2760-86-0x0000000002350000-0x0000000002351000-memory.dmp

    Filesize

    4KB

  • memory/2760-81-0x0000000001F90000-0x0000000001F91000-memory.dmp

    Filesize

    4KB

  • memory/2760-82-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

    Filesize

    4KB

  • memory/2760-83-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

    Filesize

    4KB

  • memory/2760-84-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

    Filesize

    4KB

  • memory/2760-79-0x0000000001F70000-0x0000000001F71000-memory.dmp

    Filesize

    4KB

  • memory/2760-80-0x0000000001F80000-0x0000000001F81000-memory.dmp

    Filesize

    4KB

  • memory/2760-87-0x0000000003420000-0x0000000003430000-memory.dmp

    Filesize

    64KB

  • memory/2760-93-0x0000000003C60000-0x0000000003C70000-memory.dmp

    Filesize

    64KB

  • memory/2760-78-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2760-118-0x0000000003E00000-0x0000000003E08000-memory.dmp

    Filesize

    32KB

  • memory/2760-120-0x0000000002350000-0x0000000002351000-memory.dmp

    Filesize

    4KB

  • memory/2760-122-0x00000000024C0000-0x00000000024C8000-memory.dmp

    Filesize

    32KB

  • memory/2760-124-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/2760-129-0x00000000034A0000-0x00000000034A1000-memory.dmp

    Filesize

    4KB