Analysis

  • max time kernel
    135s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2023, 12:35

General

  • Target

    a58aab3bd2cfaa86f7557e33b096c905_JC.exe

  • Size

    40KB

  • MD5

    a58aab3bd2cfaa86f7557e33b096c905

  • SHA1

    656e534616387ea872005c8a1263a4303a2a1b03

  • SHA256

    5a1e87295730feb49362b6b4468b58f05b1f07bc397ac94f25eda5fc0010a701

  • SHA512

    1fee3268e2de603362b70182905352420fb298eaf10ab57b684bff2a41d3360bb8ae6e35e0391236e28758d88c7dae9a9663108fe161a551aa03ab8bb0c26435

  • SSDEEP

    768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpa:OLsF2Kerc64sTiX2IV0Dhua

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a58aab3bd2cfaa86f7557e33b096c905_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a58aab3bd2cfaa86f7557e33b096c905_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe
      "C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe" -r
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 2&del "C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe"&ping 127.0.0.1 -n 2&rename "C:\Users\Admin\AppData\Roaming\Mozilla\0000070F" WINWORD.exe&ping 127.0.0.1 -n 2&"C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe" \r
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:2708
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:2644
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:2724
        • C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe
          "C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe" \r
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Mozilla\0000070F

    Filesize

    40KB

    MD5

    bcbada1a62603db72924600482ccb493

    SHA1

    2186de6a0573d7ba00b52f43eee15d87b3bd62c3

    SHA256

    b5cd124181ebbbb001a7cd54504119e9052cf96c6137cb78d7e2eb40843c845d

    SHA512

    8c8ddfb73484a3e6b38ad92ef32cb6676c8b18794f716e34b79cd8b95acca4e63897dd283fc0d784ff0113460258cf74f23c7ee016682ed03342e461d33e0a8f

  • C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    a58aab3bd2cfaa86f7557e33b096c905

    SHA1

    656e534616387ea872005c8a1263a4303a2a1b03

    SHA256

    5a1e87295730feb49362b6b4468b58f05b1f07bc397ac94f25eda5fc0010a701

    SHA512

    1fee3268e2de603362b70182905352420fb298eaf10ab57b684bff2a41d3360bb8ae6e35e0391236e28758d88c7dae9a9663108fe161a551aa03ab8bb0c26435

  • C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    a58aab3bd2cfaa86f7557e33b096c905

    SHA1

    656e534616387ea872005c8a1263a4303a2a1b03

    SHA256

    5a1e87295730feb49362b6b4468b58f05b1f07bc397ac94f25eda5fc0010a701

    SHA512

    1fee3268e2de603362b70182905352420fb298eaf10ab57b684bff2a41d3360bb8ae6e35e0391236e28758d88c7dae9a9663108fe161a551aa03ab8bb0c26435

  • C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    a58aab3bd2cfaa86f7557e33b096c905

    SHA1

    656e534616387ea872005c8a1263a4303a2a1b03

    SHA256

    5a1e87295730feb49362b6b4468b58f05b1f07bc397ac94f25eda5fc0010a701

    SHA512

    1fee3268e2de603362b70182905352420fb298eaf10ab57b684bff2a41d3360bb8ae6e35e0391236e28758d88c7dae9a9663108fe161a551aa03ab8bb0c26435

  • C:\Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    bcbada1a62603db72924600482ccb493

    SHA1

    2186de6a0573d7ba00b52f43eee15d87b3bd62c3

    SHA256

    b5cd124181ebbbb001a7cd54504119e9052cf96c6137cb78d7e2eb40843c845d

    SHA512

    8c8ddfb73484a3e6b38ad92ef32cb6676c8b18794f716e34b79cd8b95acca4e63897dd283fc0d784ff0113460258cf74f23c7ee016682ed03342e461d33e0a8f

  • \Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    a58aab3bd2cfaa86f7557e33b096c905

    SHA1

    656e534616387ea872005c8a1263a4303a2a1b03

    SHA256

    5a1e87295730feb49362b6b4468b58f05b1f07bc397ac94f25eda5fc0010a701

    SHA512

    1fee3268e2de603362b70182905352420fb298eaf10ab57b684bff2a41d3360bb8ae6e35e0391236e28758d88c7dae9a9663108fe161a551aa03ab8bb0c26435

  • \Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    a58aab3bd2cfaa86f7557e33b096c905

    SHA1

    656e534616387ea872005c8a1263a4303a2a1b03

    SHA256

    5a1e87295730feb49362b6b4468b58f05b1f07bc397ac94f25eda5fc0010a701

    SHA512

    1fee3268e2de603362b70182905352420fb298eaf10ab57b684bff2a41d3360bb8ae6e35e0391236e28758d88c7dae9a9663108fe161a551aa03ab8bb0c26435

  • \Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    bcbada1a62603db72924600482ccb493

    SHA1

    2186de6a0573d7ba00b52f43eee15d87b3bd62c3

    SHA256

    b5cd124181ebbbb001a7cd54504119e9052cf96c6137cb78d7e2eb40843c845d

    SHA512

    8c8ddfb73484a3e6b38ad92ef32cb6676c8b18794f716e34b79cd8b95acca4e63897dd283fc0d784ff0113460258cf74f23c7ee016682ed03342e461d33e0a8f

  • \Users\Admin\AppData\Roaming\Mozilla\WINWORD.exe

    Filesize

    40KB

    MD5

    bcbada1a62603db72924600482ccb493

    SHA1

    2186de6a0573d7ba00b52f43eee15d87b3bd62c3

    SHA256

    b5cd124181ebbbb001a7cd54504119e9052cf96c6137cb78d7e2eb40843c845d

    SHA512

    8c8ddfb73484a3e6b38ad92ef32cb6676c8b18794f716e34b79cd8b95acca4e63897dd283fc0d784ff0113460258cf74f23c7ee016682ed03342e461d33e0a8f