Resubmissions

26-10-2023 15:54

231026-tcpyasee86 10

06-10-2023 13:47

231006-q3wa8aec36 10

Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2023 13:47

General

  • Target

    255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8c.exe

  • Size

    3.8MB

  • MD5

    4c51b62c9ee7a37ddc010e48b516c243

  • SHA1

    77b6f4ce0867078a8d7c02fa1254912b6f4c0d00

  • SHA256

    255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8c

  • SHA512

    8e292a6125309ad8e26606b4682001a8cfa8038818a9b28e4070a5133b73083bac608c48f00ae30e38fea170186de7e5da9c3528f8a55685c44d923c029e1adb

  • SSDEEP

    49152:T+eKofn4V0kl/gaMHqAwl6hXsM75LwV71pG7XPQx7PtwlSr+Ucbf3QC3aLVeolcB:

Malware Config

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8c.exe
    "C:\Users\Admin\AppData\Local\Temp\255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Roaming\Adobe\GXLRF289.exe
      "C:\Users\Admin\AppData\Roaming\Adobe\GXLRF289.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1620
    • C:\Users\Admin\AppData\Roaming\Adobe\EHYL9INA.exe
      "C:\Users\Admin\AppData\Roaming\Adobe\EHYL9INA.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4648
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:2060

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Adobe\EHYL9INA.exe

      Filesize

      83KB

      MD5

      051c8b584ffde2a373d4a54d038bc46c

      SHA1

      d58abcb0d3875094b51e6836036bf65ff96b8b40

      SHA256

      711de934bbdb56f4335d776819d4059222f8b3376fcb4a72ac2fca0a38e45801

      SHA512

      8f28ce2467b8accba63be5a4983df4c8faed25a7f79c1f04560f47009969cbf84fc2afe4e08c2903c17f895afe29e397a91ed579d012f68fe08f0b4261552063

    • C:\Users\Admin\AppData\Roaming\Adobe\EHYL9INA.exe

      Filesize

      83KB

      MD5

      051c8b584ffde2a373d4a54d038bc46c

      SHA1

      d58abcb0d3875094b51e6836036bf65ff96b8b40

      SHA256

      711de934bbdb56f4335d776819d4059222f8b3376fcb4a72ac2fca0a38e45801

      SHA512

      8f28ce2467b8accba63be5a4983df4c8faed25a7f79c1f04560f47009969cbf84fc2afe4e08c2903c17f895afe29e397a91ed579d012f68fe08f0b4261552063

    • C:\Users\Admin\AppData\Roaming\Adobe\EHYL9INA.exe

      Filesize

      83KB

      MD5

      051c8b584ffde2a373d4a54d038bc46c

      SHA1

      d58abcb0d3875094b51e6836036bf65ff96b8b40

      SHA256

      711de934bbdb56f4335d776819d4059222f8b3376fcb4a72ac2fca0a38e45801

      SHA512

      8f28ce2467b8accba63be5a4983df4c8faed25a7f79c1f04560f47009969cbf84fc2afe4e08c2903c17f895afe29e397a91ed579d012f68fe08f0b4261552063

    • C:\Users\Admin\AppData\Roaming\Adobe\GXLRF289.exe

      Filesize

      1.3MB

      MD5

      126d1dba7efc0faed18afa036fb0468b

      SHA1

      fe58c79cc3b5d11d9c1fbf53db1e0d726c94c491

      SHA256

      adb8b6cfb9633759f3a08ecb160790aaa6a733d5671991c21a5a28deafbeef26

      SHA512

      a3c32b7b4961c13c4fafb1b71b123bf4d0ecdfc4087912429019fb63aaf17f132ae2c58135f2ea8d64643966e99a28c89fc67c6256e9dafcb310049ab6951ad9

    • C:\Users\Admin\AppData\Roaming\Adobe\GXLRF289.exe

      Filesize

      1.3MB

      MD5

      126d1dba7efc0faed18afa036fb0468b

      SHA1

      fe58c79cc3b5d11d9c1fbf53db1e0d726c94c491

      SHA256

      adb8b6cfb9633759f3a08ecb160790aaa6a733d5671991c21a5a28deafbeef26

      SHA512

      a3c32b7b4961c13c4fafb1b71b123bf4d0ecdfc4087912429019fb63aaf17f132ae2c58135f2ea8d64643966e99a28c89fc67c6256e9dafcb310049ab6951ad9

    • memory/1620-26-0x000000006F090000-0x000000006F0A0000-memory.dmp

      Filesize

      64KB

    • memory/4648-23-0x0000000000C90000-0x0000000000CAC000-memory.dmp

      Filesize

      112KB

    • memory/4648-24-0x00007FFF4CF60000-0x00007FFF4DA21000-memory.dmp

      Filesize

      10.8MB

    • memory/4648-25-0x000000001B890000-0x000000001B8A0000-memory.dmp

      Filesize

      64KB

    • memory/4648-29-0x00007FFF4CF60000-0x00007FFF4DA21000-memory.dmp

      Filesize

      10.8MB

    • memory/4648-30-0x000000001B890000-0x000000001B8A0000-memory.dmp

      Filesize

      64KB

    • memory/4648-31-0x00007FFF4CF60000-0x00007FFF4DA21000-memory.dmp

      Filesize

      10.8MB

    • memory/4704-0-0x0000000000290000-0x0000000000666000-memory.dmp

      Filesize

      3.8MB

    • memory/4704-1-0x00007FFF4CF60000-0x00007FFF4DA21000-memory.dmp

      Filesize

      10.8MB

    • memory/4704-28-0x00007FFF4CF60000-0x00007FFF4DA21000-memory.dmp

      Filesize

      10.8MB