Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 11:13

General

  • Target

    01084efc7da9b5f5aaa6e109ac5ea39756687c9334df85f757c89149d30a79b6.exe

  • Size

    1.6MB

  • MD5

    51f680c87f810a25cb8d9f4a217156b6

  • SHA1

    a9cd1c857692aa49dfa9fc93cde2204002326d31

  • SHA256

    01084efc7da9b5f5aaa6e109ac5ea39756687c9334df85f757c89149d30a79b6

  • SHA512

    f7a723641bb65eb4763784da1c2c36d9b0ae07cc7241eb9ef816e20308cfbd1ee77780503768d5784f90a1bc387c09271ccf98fbee0bc8fec2ac9c5b20563c7d

Malware Config

Signatures

  • Detects Eternity stealer 1 IoCs
  • Eternity

    Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

  • suricata: ET MALWARE Observed Win32/Eternity Stealer Domain (eternitypr .net in TLS SNI)

    suricata: ET MALWARE Observed Win32/Eternity Stealer Domain (eternitypr .net in TLS SNI)

  • suricata: ET MALWARE Observed Win32/Eternity Stealer Domain (eterprx .net in TLS SNI)

    suricata: ET MALWARE Observed Win32/Eternity Stealer Domain (eterprx .net in TLS SNI)

  • suricata: ET MALWARE Win32/Eternity Stealer Activity (POST)

    suricata: ET MALWARE Win32/Eternity Stealer Activity (POST)

  • suricata: ET MALWARE Win32/Eternity Stealer CnC Domain in DNS Lookup (eternitypr .net)

    suricata: ET MALWARE Win32/Eternity Stealer CnC Domain in DNS Lookup (eternitypr .net)

  • suricata: ET MALWARE Win32/Eternity Stealer CnC Domain in DNS Lookup (eterprx .net)

    suricata: ET MALWARE Win32/Eternity Stealer CnC Domain in DNS Lookup (eterprx .net)

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01084efc7da9b5f5aaa6e109ac5ea39756687c9334df85f757c89149d30a79b6.exe
    "C:\Users\Admin\AppData\Local\Temp\01084efc7da9b5f5aaa6e109ac5ea39756687c9334df85f757c89149d30a79b6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Users\Admin\AppData\Local\Temp\v5osubqu.4zy\SmotaProxy_v1.1.exe
      "C:\Users\Admin\AppData\Local\Temp\v5osubqu.4zy\SmotaProxy_v1.1.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      PID:4080
    • C:\Users\Admin\AppData\Local\Temp\dcd.exe
      "C:\Users\Admin\AppData\Local\Temp\dcd.exe" -path=""
      2⤵
      • Executes dropped EXE
      PID:3864
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4372 -s 2428
      2⤵
      • Program crash
      PID:4648
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 404 -p 4372 -ip 4372
    1⤵
      PID:4840

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dcd.exe

      Filesize

      227KB

      MD5

      b5ac46e446cead89892628f30a253a06

      SHA1

      f4ad1044a7f77a1b02155c3a355a1bb4177076ca

      SHA256

      def7afcb65126c4b04a7cbf08c693f357a707aa99858cac09a8d5e65f3177669

      SHA512

      bcabbac6f75c1d41364406db457c62f5135a78f763f6db08c1626f485c64db4d9ba3b3c8bc0b5508d917e445fd220ffa66ebc35221bd06560446c109818e8e87

    • C:\Users\Admin\AppData\Local\Temp\dcd.exe

      Filesize

      227KB

      MD5

      b5ac46e446cead89892628f30a253a06

      SHA1

      f4ad1044a7f77a1b02155c3a355a1bb4177076ca

      SHA256

      def7afcb65126c4b04a7cbf08c693f357a707aa99858cac09a8d5e65f3177669

      SHA512

      bcabbac6f75c1d41364406db457c62f5135a78f763f6db08c1626f485c64db4d9ba3b3c8bc0b5508d917e445fd220ffa66ebc35221bd06560446c109818e8e87

    • C:\Users\Admin\AppData\Local\Temp\v5osubqu.4zy\SmotaProxy_v1.1.exe

      Filesize

      367KB

      MD5

      c305f6bfc6eb098e6831479181e01dc4

      SHA1

      74afedfd0f083d237a6a22470515adf8b50c089d

      SHA256

      40fc3e9e4e2b3f191e11de34dd6b135b7ef0da85b35b206a90f12fed240d71e7

      SHA512

      64634d629816ab39f9c08daea3da296e6fcee4b24210f70e05aa44586b19ce445758bb43e470567fc7d691c0dd202b1804e8524fe7a27ec62cca1fd0f91baf19

    • C:\Users\Admin\AppData\Local\Temp\v5osubqu.4zy\SmotaProxy_v1.1.exe

      Filesize

      367KB

      MD5

      c305f6bfc6eb098e6831479181e01dc4

      SHA1

      74afedfd0f083d237a6a22470515adf8b50c089d

      SHA256

      40fc3e9e4e2b3f191e11de34dd6b135b7ef0da85b35b206a90f12fed240d71e7

      SHA512

      64634d629816ab39f9c08daea3da296e6fcee4b24210f70e05aa44586b19ce445758bb43e470567fc7d691c0dd202b1804e8524fe7a27ec62cca1fd0f91baf19

    • memory/3864-135-0x0000000000000000-mapping.dmp

    • memory/4080-133-0x0000000000000000-mapping.dmp

    • memory/4372-130-0x0000000000600000-0x000000000079C000-memory.dmp

      Filesize

      1.6MB

    • memory/4372-131-0x00000000028E0000-0x0000000002930000-memory.dmp

      Filesize

      320KB

    • memory/4372-132-0x00007FFE12770000-0x00007FFE13231000-memory.dmp

      Filesize

      10.8MB