Analysis

  • max time kernel
    109s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2023 21:53

General

  • Target

    04e88de87735fb859587e4643c7a8bc0.exe

  • Size

    352KB

  • MD5

    04e88de87735fb859587e4643c7a8bc0

  • SHA1

    101dc8e1949e1eb699bc6ab49e1c28d16217c543

  • SHA256

    d3f7579f13a3c49280acc860e39d54a824ccdd8580e1e1e57418b5c7348b5b3a

  • SHA512

    50381ca7f16650d6cb7e37348b3e15787a87a8b066c0c994367018aa6758a0f3f2b5c08566576e79188476eb50d7637840faa5515c4461d009e5bfde18dc78ff

  • SSDEEP

    6144:aTqvEHapTk9Cw62QsFks7W4P2iTkW5NOb/GuzTEAXL+k9NEPkI069yKJox:a4mG14uEXObPMC+k3966

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04e88de87735fb859587e4643c7a8bc0.exe
    "C:\Users\Admin\AppData\Local\Temp\04e88de87735fb859587e4643c7a8bc0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 836 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\04e88de87735fb859587e4643c7a8bc0.exe" & start C:\Users\Admin\AppData\Local\uqwvj.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Users\Admin\AppData\Local\uqwvj.exe
        C:\Users\Admin\AppData\Local\uqwvj.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2656
  • C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 836
    1⤵
    • Kills process with taskkill
    • Suspicious use of AdjustPrivilegeToken
    PID:2348
  • C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    1⤵
    • Runs ping.exe
    PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    85KB

    MD5

    5297c42b4f2caceb9fc9c532f677ade7

    SHA1

    89ccfdd3a3e21917986138897a2b681cf060188b

    SHA256

    e7d247fa3f9cc0a424fb3d0e96892eec88be1925432f33a03706ff429eeb6942

    SHA512

    b28c261d89a4c04326580d00867570c6f179f1ccb082a0c7701281e39d58d061a939dc4497a6ae61f887b44a106d5be43f1968c2db2f4faf7fc4ebeb158e6ec5

  • \Users\Admin\AppData\Local\uqwvj.exe

    Filesize

    93KB

    MD5

    a9f9680405de97ee4c0c424d187b15f6

    SHA1

    ce3fddd5557ca455bcacdb58506af51eaf6f648b

    SHA256

    aa8d8df67e9339c973f7f533fb962e05295209fa923b48dbededbe3fa6dabd6d

    SHA512

    be72fbb288a9a9d6199c62bfba4e14506964defa5a8e4adaa618860aea4187becf0811882ef9ea3dc07fb9c024935390c05cb1cddf6af6421f04b5510c7c2316

  • \Users\Admin\AppData\Local\uqwvj.exe

    Filesize

    352KB

    MD5

    04e88de87735fb859587e4643c7a8bc0

    SHA1

    101dc8e1949e1eb699bc6ab49e1c28d16217c543

    SHA256

    d3f7579f13a3c49280acc860e39d54a824ccdd8580e1e1e57418b5c7348b5b3a

    SHA512

    50381ca7f16650d6cb7e37348b3e15787a87a8b066c0c994367018aa6758a0f3f2b5c08566576e79188476eb50d7637840faa5515c4461d009e5bfde18dc78ff

  • memory/836-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/836-2-0x0000000000230000-0x0000000000232000-memory.dmp

    Filesize

    8KB

  • memory/836-1-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/836-5-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/836-3-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2656-12-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2656-11-0x0000000000330000-0x0000000000332000-memory.dmp

    Filesize

    8KB

  • memory/2656-10-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-16-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-17-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-18-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-19-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-20-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-21-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-22-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2656-23-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB