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Analysis

  • max time kernel
    182s
  • max time network
    222s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 01:55

General

  • Target

    845bf1354caa7b63ebbc018675c664f7fdc5d62c8ca54a1b9666a5e6fdbbac04.dll

  • Size

    124KB

  • MD5

    3dc3b47082e3ca911c9a81182a4b71c9

  • SHA1

    90ecb80a910ed2e55f8c45ae65a729820a72fbd2

  • SHA256

    845bf1354caa7b63ebbc018675c664f7fdc5d62c8ca54a1b9666a5e6fdbbac04

  • SHA512

    996ef53596cade0106a2bd15c57c02121128d17b536356784361e632dd3fae0cce6b38aa62e5732a97fbe884b738c171c4311988ea2d8f2b963dd7cc277c92ae

  • SSDEEP

    3072:qRn1vFHCqcDVvR7p0+8u9NMK+kl5wHrmXmLeout:IDHRciu9NMrkbwHgceoS

Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\845bf1354caa7b63ebbc018675c664f7fdc5d62c8ca54a1b9666a5e6fdbbac04.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\845bf1354caa7b63ebbc018675c664f7fdc5d62c8ca54a1b9666a5e6fdbbac04.dll,#1
      2⤵
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1652
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k imgsvc
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:1244

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Bwxy\Gwxyabcde.gif

    Filesize

    12.1MB

    MD5

    7b046e300139419b7d797bc7596bbc8a

    SHA1

    7a68f78831e3d7eafb347db4e766b017c3c4c18a

    SHA256

    d5165b01e1cd67cfea613f163369055feef9404b1bb1b510745d9a4f62ef79d7

    SHA512

    442d865c09f0579b4e39309e02c8c425f11a7e744a24fe373880837045e1193507c45f8a714880d1489bf6931df3f96663a8d56c6d2fe643859e64b747cf9e33

  • \??\c:\program files (x86)\bwxy\gwxyabcde.gif

    Filesize

    12.1MB

    MD5

    7b046e300139419b7d797bc7596bbc8a

    SHA1

    7a68f78831e3d7eafb347db4e766b017c3c4c18a

    SHA256

    d5165b01e1cd67cfea613f163369055feef9404b1bb1b510745d9a4f62ef79d7

    SHA512

    442d865c09f0579b4e39309e02c8c425f11a7e744a24fe373880837045e1193507c45f8a714880d1489bf6931df3f96663a8d56c6d2fe643859e64b747cf9e33