Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 05:57

General

  • Target

    37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533.exe

  • Size

    18.7MB

  • MD5

    8c7f9e2e1533bee0c53f494aa84b0d3d

  • SHA1

    718f0861dfbd06cbac887a6aa9f912797d3aaa78

  • SHA256

    37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533

  • SHA512

    f898519a2aac6481297cfd1377a2826823a138525af9ab0c9ca20e3d7e544a534eb912fb502feb2f25b22874909c0ac01b9c9795aa7c2e935fe3bc084ddb7cc0

  • SSDEEP

    393216:IKmLEgApAXnTJS+s1+ujmg8L9lfIkZscsE:IxLEgApAX61jag8L9fZjX

Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533.exe
    "C:\Users\Admin\AppData\Local\Temp\37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 48
        3⤵
        • Program crash
        PID:472

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

    c8b5f9511b5ff1ad72ea6d710d47416b

    SHA1

    828de1505d4b33d9bc07b2b97a1e1bfc23ded23e

    SHA256

    cbf7b931175b50f9c29f1b64ab755378c15a8c63102f6010bf2dfacb93d7327d

    SHA512

    e3bba7599af0bb15ffbb2c81eb91aa2fe2f5622b96f86712a933bc62b46f8f44d0510de2f93363988a64174bef1dad98418bfc1e06e175c95e54158752416e5b

  • C:\Users\Admin\AppData\Local\Temp\CabBC01.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2088-37-0x000007FEFD600000-0x000007FEFD602000-memory.dmp

    Filesize

    8KB

  • memory/2088-35-0x000007FEFD600000-0x000007FEFD602000-memory.dmp

    Filesize

    8KB

  • memory/2088-7-0x0000000077650000-0x0000000077652000-memory.dmp

    Filesize

    8KB

  • memory/2088-10-0x0000000077650000-0x0000000077652000-memory.dmp

    Filesize

    8KB

  • memory/2088-12-0x0000000077650000-0x0000000077652000-memory.dmp

    Filesize

    8KB

  • memory/2088-13-0x0000000077660000-0x0000000077662000-memory.dmp

    Filesize

    8KB

  • memory/2088-15-0x0000000077660000-0x0000000077662000-memory.dmp

    Filesize

    8KB

  • memory/2088-17-0x0000000077660000-0x0000000077662000-memory.dmp

    Filesize

    8KB

  • memory/2088-18-0x0000000077670000-0x0000000077672000-memory.dmp

    Filesize

    8KB

  • memory/2088-20-0x0000000077670000-0x0000000077672000-memory.dmp

    Filesize

    8KB

  • memory/2088-22-0x0000000077670000-0x0000000077672000-memory.dmp

    Filesize

    8KB

  • memory/2088-23-0x0000000077680000-0x0000000077682000-memory.dmp

    Filesize

    8KB

  • memory/2088-25-0x0000000077680000-0x0000000077682000-memory.dmp

    Filesize

    8KB

  • memory/2088-27-0x0000000077680000-0x0000000077682000-memory.dmp

    Filesize

    8KB

  • memory/2088-30-0x000007FEFD5F0000-0x000007FEFD5F2000-memory.dmp

    Filesize

    8KB

  • memory/2088-32-0x000007FEFD5F0000-0x000007FEFD5F2000-memory.dmp

    Filesize

    8KB

  • memory/2088-2-0x0000000077630000-0x0000000077632000-memory.dmp

    Filesize

    8KB

  • memory/2088-0-0x0000000077630000-0x0000000077632000-memory.dmp

    Filesize

    8KB

  • memory/2088-8-0x0000000077480000-0x0000000077629000-memory.dmp

    Filesize

    1.7MB

  • memory/2088-38-0x0000000140000000-0x000000014129E000-memory.dmp

    Filesize

    18.6MB

  • memory/2088-4-0x0000000140000000-0x000000014129E000-memory.dmp

    Filesize

    18.6MB

  • memory/2088-6-0x0000000077630000-0x0000000077632000-memory.dmp

    Filesize

    8KB

  • memory/2088-53-0x0000000077480000-0x0000000077629000-memory.dmp

    Filesize

    1.7MB

  • memory/2088-52-0x0000000140000000-0x000000014129E000-memory.dmp

    Filesize

    18.6MB

  • memory/2872-130-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/2872-131-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/3024-57-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-45-0x0000000001DC0000-0x0000000001DC8000-memory.dmp

    Filesize

    32KB

  • memory/3024-47-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-50-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-54-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

    Filesize

    9.6MB

  • memory/3024-56-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-55-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-58-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

    Filesize

    9.6MB

  • memory/3024-46-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

    Filesize

    9.6MB

  • memory/3024-48-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-44-0x000000001B2F0000-0x000000001B5D2000-memory.dmp

    Filesize

    2.9MB

  • memory/3024-51-0x00000000026A0000-0x0000000002720000-memory.dmp

    Filesize

    512KB

  • memory/3024-49-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

    Filesize

    9.6MB