Analysis

  • max time kernel
    184s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 00:11

General

  • Target

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a.exe

  • Size

    180KB

  • MD5

    72dd8f8700c52b00c1b95fa29fbcd30e

  • SHA1

    05b1e71bba9e8ed49968569ad3124abd937d30ab

  • SHA256

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a

  • SHA512

    eee3e7377f4555cb2c587045f7fcd15d8ec76b978de8f34ef360d415dccd9641069feb313a8f6ffe13e3f5b3c39a128f7902e58da7ef26a3bd44db112b4fd58a

Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

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

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a.exe
    "C:\Users\Admin\AppData\Local\Temp\3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3F8C1E~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1352
  • C:\Windows\SysWOW64\seser.exe
    C:\Windows\SysWOW64\seser.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\seser.exe
      C:\Windows\SysWOW64\seser.exe Win7
      2⤵
      • Executes dropped EXE
      PID:2020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 252
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1076

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\seser.exe

    Filesize

    180KB

    MD5

    72dd8f8700c52b00c1b95fa29fbcd30e

    SHA1

    05b1e71bba9e8ed49968569ad3124abd937d30ab

    SHA256

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a

    SHA512

    eee3e7377f4555cb2c587045f7fcd15d8ec76b978de8f34ef360d415dccd9641069feb313a8f6ffe13e3f5b3c39a128f7902e58da7ef26a3bd44db112b4fd58a

  • C:\Windows\SysWOW64\seser.exe

    Filesize

    180KB

    MD5

    72dd8f8700c52b00c1b95fa29fbcd30e

    SHA1

    05b1e71bba9e8ed49968569ad3124abd937d30ab

    SHA256

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a

    SHA512

    eee3e7377f4555cb2c587045f7fcd15d8ec76b978de8f34ef360d415dccd9641069feb313a8f6ffe13e3f5b3c39a128f7902e58da7ef26a3bd44db112b4fd58a

  • C:\Windows\SysWOW64\seser.exe

    Filesize

    180KB

    MD5

    72dd8f8700c52b00c1b95fa29fbcd30e

    SHA1

    05b1e71bba9e8ed49968569ad3124abd937d30ab

    SHA256

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a

    SHA512

    eee3e7377f4555cb2c587045f7fcd15d8ec76b978de8f34ef360d415dccd9641069feb313a8f6ffe13e3f5b3c39a128f7902e58da7ef26a3bd44db112b4fd58a

  • \Windows\SysWOW64\seser.exe

    Filesize

    180KB

    MD5

    72dd8f8700c52b00c1b95fa29fbcd30e

    SHA1

    05b1e71bba9e8ed49968569ad3124abd937d30ab

    SHA256

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a

    SHA512

    eee3e7377f4555cb2c587045f7fcd15d8ec76b978de8f34ef360d415dccd9641069feb313a8f6ffe13e3f5b3c39a128f7902e58da7ef26a3bd44db112b4fd58a

  • \Windows\SysWOW64\seser.exe

    Filesize

    180KB

    MD5

    72dd8f8700c52b00c1b95fa29fbcd30e

    SHA1

    05b1e71bba9e8ed49968569ad3124abd937d30ab

    SHA256

    3f8c1e5dc8ea2e6aff80b31aeb4e626597e144ec58f460e481bf1f50f7d1e60a

    SHA512

    eee3e7377f4555cb2c587045f7fcd15d8ec76b978de8f34ef360d415dccd9641069feb313a8f6ffe13e3f5b3c39a128f7902e58da7ef26a3bd44db112b4fd58a

  • memory/960-54-0x0000000075711000-0x0000000075713000-memory.dmp

    Filesize

    8KB

  • memory/960-55-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/1076-68-0x0000000000000000-mapping.dmp

  • memory/1352-69-0x0000000000000000-mapping.dmp

  • memory/2020-66-0x0000000000000000-mapping.dmp