Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2023 11:12

General

  • Target

    NEAS.593bb06e8c19e547b971df37c49943e0.exe

  • Size

    3.1MB

  • MD5

    593bb06e8c19e547b971df37c49943e0

  • SHA1

    73a95343a1fffb84f9798305c10d9457c477e584

  • SHA256

    de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

  • SHA512

    bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

  • SSDEEP

    49152:ZUuBTOjZwS1Ihk+hy7iHuaRZnt+NTNLiG975:ZXRO0hkr2Rxt+ew

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • UAC bypass 3 TTPs 9 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.593bb06e8c19e547b971df37c49943e0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.593bb06e8c19e547b971df37c49943e0.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1552
    • \??\c:\windows\wininit.exe
      c:\windows\wininit.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4284
    • \??\c:\users\admin\appdata\local\svchost.exe
      c:\users\admin\appdata\local\svchost.exe
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:1316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\svchost.exe

    Filesize

    3.1MB

    MD5

    593bb06e8c19e547b971df37c49943e0

    SHA1

    73a95343a1fffb84f9798305c10d9457c477e584

    SHA256

    de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

    SHA512

    bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

  • C:\Windows\RCXA047.tmp

    Filesize

    3.1MB

    MD5

    cfa8e4c2a8be38cd7eb3f12344ed771f

    SHA1

    13bef75ca1f550db86820d31f4ff234108b75b3c

    SHA256

    f98c9a40b559438b3eb63c750d8f345d88233dfec6a399928a66a20adf9d8e09

    SHA512

    7349bec73c36821193bdf38fe3fa5c5ca8933a78ea8440816594af74f0c39638e905e6da327e08e4a29a53d0f437d645d9316f1c418dde01bd166a38ef5cc1ef

  • C:\Windows\wininit.exe

    Filesize

    3.1MB

    MD5

    593bb06e8c19e547b971df37c49943e0

    SHA1

    73a95343a1fffb84f9798305c10d9457c477e584

    SHA256

    de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

    SHA512

    bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

  • \??\c:\users\admin\appdata\local\svchost.exe

    Filesize

    3.1MB

    MD5

    593bb06e8c19e547b971df37c49943e0

    SHA1

    73a95343a1fffb84f9798305c10d9457c477e584

    SHA256

    de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

    SHA512

    bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

  • \??\c:\windows\wininit.exe

    Filesize

    3.1MB

    MD5

    593bb06e8c19e547b971df37c49943e0

    SHA1

    73a95343a1fffb84f9798305c10d9457c477e584

    SHA256

    de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

    SHA512

    bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

  • memory/1316-40-0x0000000002790000-0x0000000002791000-memory.dmp

    Filesize

    4KB

  • memory/1316-43-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/1316-47-0x0000000002790000-0x0000000002791000-memory.dmp

    Filesize

    4KB

  • memory/1316-51-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/1316-55-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/1552-39-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/1552-0-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

    Filesize

    4KB

  • memory/4284-36-0x0000000002580000-0x0000000002581000-memory.dmp

    Filesize

    4KB

  • memory/4284-42-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4284-46-0x0000000002580000-0x0000000002581000-memory.dmp

    Filesize

    4KB

  • memory/4284-50-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4284-54-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB

  • memory/4284-66-0x0000000000400000-0x00000000007B5000-memory.dmp

    Filesize

    3.7MB