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Analysis

  • max time kernel
    138s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2022, 23:19

General

  • Target

    d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe

  • Size

    144KB

  • MD5

    93316cb69457c25aa8f5e782a74ce091

  • SHA1

    e983e3db15742fbe60bf6d5adfd4eaf885233dc0

  • SHA256

    d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2

  • SHA512

    774c9675d073cd7c710efb48cc781f95f62eb8abea1f1a6c62a78cdc23d36bc5a719ab403b91aaa5b5d785e6eb6dfaacefc8a219198585926565006367b86d40

  • SSDEEP

    3072:uhXdv0LKdww4FrNFGzZphM/ztrfM0Xm8oP4oiR13rJbz4AEyIrN:ubiKdAFkbhMRLMIogos1bJbgy6

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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:460
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.exe
      "C:\Users\Admin\AppData\Local\Temp\d1c526a5ef8cfc364462bb14f80f0bf3bac04b46a9ac2f2968c615e2a80e3ca2.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:1048
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\@

    Filesize

    2KB

    MD5

    abba60e4a655a837a788ef8d50846ff9

    SHA1

    5d122aecf54ecafc07613cc64547b0748b794d65

    SHA256

    849146644985a482bd74884ad9421b4c81fb8ff88dd6067c06047a0fea93a4af

    SHA512

    e74e8fa71eaf42ded536b2340c4b54524336f251467056d424ec2094799f8a9e7567ad6be03a46c05bc85d758326e5579ec0d0409eb859fc6bb62493ea804e17

  • C:\$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-18\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • \$Recycle.Bin\S-1-5-21-4063495947-34355257-727531523-1000\$d4e37f8e5af09b64e86d0830097e992e\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/1048-54-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1048-60-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1048-56-0x0000000000440000-0x000000000047E000-memory.dmp

    Filesize

    248KB

  • memory/1048-55-0x0000000000440000-0x000000000047E000-memory.dmp

    Filesize

    248KB

  • memory/1048-64-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1048-65-0x0000000000440000-0x000000000047E000-memory.dmp

    Filesize

    248KB

  • memory/1400-66-0x000007FEF69C0000-0x000007FEF6B03000-memory.dmp

    Filesize

    1.3MB

  • memory/1400-67-0x000007FF27B70000-0x000007FF27B7A000-memory.dmp

    Filesize

    40KB