Analysis

  • max time kernel
    121s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13-03-2024 09:39

General

  • Target

    c58af9384d71e33bae1d8a032d9e7b19.exe

  • Size

    4.0MB

  • MD5

    c58af9384d71e33bae1d8a032d9e7b19

  • SHA1

    15bd308104a7b2d05ba9fd03b3a4c5410afabc56

  • SHA256

    77189b22dfb8238a4837f95e3283150bca8105d618cc421cde8170644bcf878b

  • SHA512

    ac80eb00dcf2aec8a56e071281030b9c3ec57460b2a2c59b8db43ce51a60465a419ed1e5f887d7e2d8b41c0aaca226244bb52e7c72cccf44f477fcdad03aa3e8

  • SSDEEP

    49152:PSzzgkLJWvg/RdFy7/QhWwALywBDyVt4kWzzwskrk4NZXuMk6o9ufAXV4AK:

Malware Config

Signatures

  • Detect ZGRat V1 35 IoCs
  • Detects Echelon Stealer payload 3 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 4 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c58af9384d71e33bae1d8a032d9e7b19.exe
    "C:\Users\Admin\AppData\Local\Temp\c58af9384d71e33bae1d8a032d9e7b19.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Roaming\AppWinFiles\AppWinFiles.exe
      "C:\Users\Admin\AppData\Roaming\AppWinFiles\AppWinFiles.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\ProgramData\Decoder.exe
        "C:\ProgramData\Decoder.exe"
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
      • C:\Windows\system32\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2896
        • C:\Windows\system32\timeout.exe
          timeout 4
          4⤵
          • Delays execution with timeout.exe
          PID:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Decoder.exe

    Filesize

    490KB

    MD5

    c29c0d495ed13e703f433d53bdffdab8

    SHA1

    74ed36e6b6027b61abcfe2956670ffd9de7fd71a

    SHA256

    20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

    SHA512

    fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

  • C:\Users\Admin\AppData\Local\ScallyMilano\ProcessList.txt

    Filesize

    199B

    MD5

    e7d619013d26500cb521114c3bf82272

    SHA1

    94906ff6889ef16e88256aad97f6e2e4562fa4be

    SHA256

    3849b838cfc731e41613762674e6b0a48e55b29db3550978f2c1fcd1d9fffe21

    SHA512

    42c3cb4e3b1539bd1f02ba0c1f753dcd834ff7ac1bda3cd57cb3241dc8a6d9b26cc2df57d41adc5ccf221e14575f0a1bbac20681f634dcdc73ac854197cd55e7

  • C:\Users\Admin\AppData\Local\Temp\.cmd

    Filesize

    28B

    MD5

    217407484aac2673214337def8886072

    SHA1

    0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

    SHA256

    467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

    SHA512

    8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

  • C:\Users\Admin\AppData\Roaming\AppWinFiles\AppWinFiles.exe

    Filesize

    1.4MB

    MD5

    572a8b5ae5bcf2338b468138afe11acd

    SHA1

    43af00db71766ec1999c7d40785c0209445a0aed

    SHA256

    327ab15efc7f4f319fcb865b0bfcc41d7d3a141cc234c09485bff8be70feeef6

    SHA512

    fc6d478dd746f433f9659db1800647d6c6fe6ebcf00d1c52d1d47cd920fcdb07a3abea4c7988bd15009ea84a1b191294241ea9093c86a274db2f9eb26c7f85d2

  • C:\Users\Admin\AppData\Roaming\AppWinFiles\AppWinFiles.exe

    Filesize

    1.5MB

    MD5

    ad2f6dd54f8a52708148b9fe50f7ede9

    SHA1

    20b3284ad569811a6f28a39a92b6da61d2713079

    SHA256

    59c3fc7329bf3f09b892d86419da8d1872dc2262683ec45b348a1c27993133b0

    SHA512

    7f2c297b294a20edf52e63eaf7311883295b6bd5c6cd14e839ba8174dabcb353df4536976ba680f647311cfc86f6952f82a0508a6b6dbfe03fbdac7a7e3b57af

  • memory/2764-45-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-564-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-69-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-562-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2764-561-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2764-85-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-24-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-26-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2764-25-0x0000000004950000-0x00000000049EC000-memory.dmp

    Filesize

    624KB

  • memory/2764-27-0x00000000048B0000-0x000000000494A000-memory.dmp

    Filesize

    616KB

  • memory/2764-28-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-29-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-31-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-37-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-35-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-33-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-39-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-57-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-55-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-53-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-51-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-49-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-47-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-559-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-67-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-41-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-43-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-543-0x00000000051A0000-0x0000000005216000-memory.dmp

    Filesize

    472KB

  • memory/2764-560-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2764-89-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-87-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-83-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-81-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-79-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-77-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-75-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-73-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-71-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-65-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-63-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-91-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-61-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-59-0x00000000048B0000-0x0000000004944000-memory.dmp

    Filesize

    592KB

  • memory/2764-476-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2784-7-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

    Filesize

    9.9MB

  • memory/2784-10-0x0000000000DB0000-0x0000000000E26000-memory.dmp

    Filesize

    472KB

  • memory/2784-8-0x0000000001270000-0x00000000013F4000-memory.dmp

    Filesize

    1.5MB

  • memory/2784-9-0x000000001B130000-0x000000001B1B0000-memory.dmp

    Filesize

    512KB

  • memory/2784-22-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

    Filesize

    9.9MB

  • memory/2996-1-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

    Filesize

    9.9MB

  • memory/2996-0-0x0000000000EF0000-0x00000000012F0000-memory.dmp

    Filesize

    4.0MB

  • memory/2996-2-0x0000000000C20000-0x0000000000CA0000-memory.dmp

    Filesize

    512KB

  • memory/2996-11-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

    Filesize

    9.9MB