Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 06:30

General

  • Target

    d1fb1feaf9c6a5866e11d1a459e8431285f6a93c49efebc9e0936c313926ae02.exe

  • Size

    1.4MB

  • MD5

    1601b40ecb0d3c4b436166db2e483390

  • SHA1

    62fe53dd32faabce546574de5e5d18607ac7c880

  • SHA256

    d1fb1feaf9c6a5866e11d1a459e8431285f6a93c49efebc9e0936c313926ae02

  • SHA512

    4129961ef053bbce0b628fcf47075ee0a8cd969190d88e03c2faf155e8d9c7446f7055c7e4ad5af2e5778a5616cb778a159f508dd906b78eef0ca89d5d475da6

  • SSDEEP

    24576:gNmF/mnBoDM5f7F2/3ghdtdCczlEh7ThXBz2wB/MSe2Tp3I1gRUfbVx5rLIhkp8l:gYVZo5Tc/3g1XGh7VRz51ne0p4v7L81n

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Possible privilege escalation attempt 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1fb1feaf9c6a5866e11d1a459e8431285f6a93c49efebc9e0936c313926ae02.exe
    "C:\Users\Admin\AppData\Local\Temp\d1fb1feaf9c6a5866e11d1a459e8431285f6a93c49efebc9e0936c313926ae02.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Users\Admin\AppData\Local\Temp\ms.exe
      C:\Users\Admin\AppData\Local\Temp\ms.exe k
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\system32\takeown.exe
        takeown /f "C:\WINDOWS\system32\Sens.dll"
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:1532
      • C:\Windows\system32\icacls.exe
        icacls "C:\WINDOWS\system32\Sens.dll" /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ms.exe
    Filesize

    424KB

    MD5

    a37f6986bc775c44618b3809c558234a

    SHA1

    725ff87dd8c8a45e03dc184545d0867c273284fa

    SHA256

    057da3046d0a3c08b7c3da9422b1a983d3f46a4d4a6739f3c2d1e1e1cd2c8e85

    SHA512

    d1dc31e73eff083799bfb28cd429f8365ee128ddc71ef9bd7f80b01de1b5d8088038fcfc04e2d131d6e6e0252721b5a5ac23e33bf659f8756d401b1021581ccc

  • C:\Users\Admin\AppData\Local\Temp\ms.exe
    Filesize

    424KB

    MD5

    a37f6986bc775c44618b3809c558234a

    SHA1

    725ff87dd8c8a45e03dc184545d0867c273284fa

    SHA256

    057da3046d0a3c08b7c3da9422b1a983d3f46a4d4a6739f3c2d1e1e1cd2c8e85

    SHA512

    d1dc31e73eff083799bfb28cd429f8365ee128ddc71ef9bd7f80b01de1b5d8088038fcfc04e2d131d6e6e0252721b5a5ac23e33bf659f8756d401b1021581ccc

  • \Users\Admin\AppData\Local\Temp\ms.exe
    Filesize

    424KB

    MD5

    a37f6986bc775c44618b3809c558234a

    SHA1

    725ff87dd8c8a45e03dc184545d0867c273284fa

    SHA256

    057da3046d0a3c08b7c3da9422b1a983d3f46a4d4a6739f3c2d1e1e1cd2c8e85

    SHA512

    d1dc31e73eff083799bfb28cd429f8365ee128ddc71ef9bd7f80b01de1b5d8088038fcfc04e2d131d6e6e0252721b5a5ac23e33bf659f8756d401b1021581ccc

  • memory/940-61-0x0000000000000000-mapping.dmp
  • memory/1436-54-0x0000000075711000-0x0000000075713000-memory.dmp
    Filesize

    8KB

  • memory/1532-60-0x0000000000000000-mapping.dmp
  • memory/1948-56-0x0000000000000000-mapping.dmp