Analysis

  • max time kernel
    143s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 07:37

General

  • Target

    7646daa259cc1549abff11f0bddd19893a9c9307887ff7cce17ceab623ccfd64.exe

  • Size

    196KB

  • MD5

    9fc46b99e45cf5893f12bd0293b864ee

  • SHA1

    76d7e82825d631b65306fd706055b84d2357999f

  • SHA256

    7646daa259cc1549abff11f0bddd19893a9c9307887ff7cce17ceab623ccfd64

  • SHA512

    8200163f2442a8c5534cdea89754d0b84f5a2b20eeb07af60258fc4deb530ae7b622c053a2e04a4f15a8eda0b328818a275895f8b896f9cd584d75e6c6bb3aa5

  • SSDEEP

    3072:aMxfNS54vc1/ZjC10G9LHIdvqG4jDzhBGLwyhVWkemIPXy2D6gIWFc8:Ru54vEw10G9wvqNDzhULjhStNy8

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 9 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:464
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\7646daa259cc1549abff11f0bddd19893a9c9307887ff7cce17ceab623ccfd64.exe
      "C:\Users\Admin\AppData\Local\Temp\7646daa259cc1549abff11f0bddd19893a9c9307887ff7cce17ceab623ccfd64.exe"
      2⤵
      • Registers COM server for autorun
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-18\$a31e499c3c7c222a40fd7fc6e142514c\@

    Filesize

    2KB

    MD5

    74b58c3b52654e2d9afbbdcedb2c41b3

    SHA1

    09668635fea2342e5a3b7341a3f4b090905606f9

    SHA256

    4272a90f7787ffc1e59c6c0368f32aabe7f90882c32c691ca33bf0b9d17c6325

    SHA512

    07e66dbdec80b6866005cd15314aa2f332760de7ea60a6285fc7a6e291516fc7d4c1bfe9fb179283d7b51513c8f7e6a6f72c2fdd129af0373345810d8e746df4

  • C:\$Recycle.Bin\S-1-5-18\$a31e499c3c7c222a40fd7fc6e142514c\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\$a31e499c3c7c222a40fd7fc6e142514c\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-18\$a31e499c3c7c222a40fd7fc6e142514c\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-21-2292972927-2705560509-2768824231-1000\$a31e499c3c7c222a40fd7fc6e142514c\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/784-64-0x0000000000000000-mapping.dmp

  • memory/1996-54-0x0000000076171000-0x0000000076173000-memory.dmp

    Filesize

    8KB

  • memory/1996-55-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1996-56-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1996-62-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1996-63-0x0000000000230000-0x0000000000263000-memory.dmp

    Filesize

    204KB

  • memory/1996-65-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB