Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 10:28

General

  • Target

    VKKDXE.exe

  • Size

    1.6MB

  • MD5

    31ba582dde7c48214dfc929a8c5d5662

  • SHA1

    39497422641176cb4b6f8828b43805cbd1258d53

  • SHA256

    35f873a09d5330e0c8c0e0bdabac9640e606ac7955b6e2082d9d1ca3d9880492

  • SHA512

    1357ffa717079a422ac2510f010722ec464c1f595fbba3a1df847ff3370f30d5b6adb393f846838c565de7b669c6e0968236c6ed8ce079da3281531373aa849e

  • SSDEEP

    24576:snsJ39LyjbJkQFMhmC+6GD9ChloDX0XOf4f/mlhxQfnmrAL4bHpZlF:snsHyjtk2MYC5GD4hloJfY/mlT/rLL

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 17 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • NTFS ADS 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VKKDXE.exe
    "C:\Users\Admin\AppData\Local\Temp\VKKDXE.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\._cache_VKKDXE.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_VKKDXE.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn CXNFQD.exe /tr C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2624
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn CXNFQD.exe /tr C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2028
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\CXNFQD.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:980
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2648
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2792
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2529727D-E1A9-4FA9-8E1B-00CE3CF97905} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
      C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:564
    • C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
      C:\Users\Admin\AppData\Roaming\Windata\ZTCKPI.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.6MB

    MD5

    31ba582dde7c48214dfc929a8c5d5662

    SHA1

    39497422641176cb4b6f8828b43805cbd1258d53

    SHA256

    35f873a09d5330e0c8c0e0bdabac9640e606ac7955b6e2082d9d1ca3d9880492

    SHA512

    1357ffa717079a422ac2510f010722ec464c1f595fbba3a1df847ff3370f30d5b6adb393f846838c565de7b669c6e0968236c6ed8ce079da3281531373aa849e

  • C:\Users\Admin\AppData\Local\Temp\3tpK1dSS.xlsm

    Filesize

    23KB

    MD5

    d999ffef8716a214b54c4ddf81194f15

    SHA1

    6c2200d3d8454b8e14f753b07e15d7609be186aa

    SHA256

    84cc323b44b6735bb2d774054b5a8b2c23046db50371985f148e5d697b0b948f

    SHA512

    6e15548fc51fa2f177093eaf2539d12a4b66b5391c6609633000b8471eed046826837709dc0f06243840f19f59f0a73c8214bef8a3094316caebd07a8f3ba3a6

  • C:\Users\Admin\AppData\Local\Temp\3tpK1dSS.xlsm

    Filesize

    24KB

    MD5

    a5d5fefdd2f164188f7d32843ac00bf7

    SHA1

    4a205c93e2117e6d896df6b1cc83f1decdf8e0dd

    SHA256

    5e99981cec40d4ee614b10cc038836dc3904f911456bdaec06558be161cc3737

    SHA512

    80f2a7163bc4b15be54322a1095ade3a9e4d359a6d917bbfdaf69a83572ea7e52419c7f30d47e13a670ad6bad102fbe3823c9652a7801bcec83c0eaac22d7834

  • C:\Users\Admin\AppData\Local\Temp\3tpK1dSS.xlsm

    Filesize

    24KB

    MD5

    d0a0e01ccfeb9681c9e1a12f8ca4597a

    SHA1

    000f617ade34e6ed947215bb57eea4c8fcd70043

    SHA256

    f0000a5c05b96f78cae9d0ff2be41ba34294488136e540ee6aeb39324fe9cc78

    SHA512

    c00d9a1bdfca76c5499693f4a4f4df36f9c5010faefa9a282f2a99cfb769991fecfffb2056abe18e1693debda7731210a81577afcf46080d18afdc523322de01

  • C:\Users\Admin\AppData\Local\Temp\3tpK1dSS.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\3tpK1dSS.xlsm

    Filesize

    24KB

    MD5

    a5fa6546bd8f9ffc002fcab869e12603

    SHA1

    7957ed2119e005150264be5b49533f32c6de7584

    SHA256

    3f2e7b6516b66f4f81b9cf57e3b8d3104b18ffed6452eb6012d42dc816bcf5b8

    SHA512

    7d9e3336b4cd97b9cc1abb811b10b38f256a00cb8b90670c5eaa6d8fad6c969469c34d0f63379d921652df445881c6e7f91ca4e5e15f1bc176cf1f02cd3156ba

  • C:\Users\Admin\AppData\Local\Temp\3tpK1dSS.xlsm

    Filesize

    25KB

    MD5

    0442d6095b22b367c2517d822c30497e

    SHA1

    2e153beb0810f3d198ba2cc3a3e628c463bbc9b9

    SHA256

    7d14a4f3ec4264749c3ad921a2239f40b1c2a650310177471011d4bc60c958b5

    SHA512

    67295d5c88bd59cd1a95974f7b565c0fb232848eea2fe3aebaf144175e0fdd9743bceb22ce6bebb6f68d639d12557a14975ccc35f0d24fc4d4b9a0d1c1e2b735

  • C:\Users\Admin\AppData\Local\Temp\CXNFQD.vbs

    Filesize

    848B

    MD5

    4bbfeb98827b4a04b61e377474754224

    SHA1

    af659a2f70ec62acd94690a7bc0a8177f6e0d0f4

    SHA256

    a0839710938d4ac042eaa6d485291f05a773ac673d02fc87ec29d9549a639381

    SHA512

    d1aab3c978fdab922e36ac5b9142eb3f97f852269f9f868d1fed86129689524d6d87dea10a726bdbf30edd9ca75adab8fc5596f676540badaf4330273ab1b50f

  • C:\Users\Admin\Desktop\~$UnblockPublish.xlsx

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • \Users\Admin\AppData\Local\Temp\._cache_VKKDXE.exe

    Filesize

    894KB

    MD5

    fe8fbb45f71518a33c161e70f6ee1037

    SHA1

    613ae22860d3e15053eea1343b6ca7cd817ee404

    SHA256

    0ee0aa62c8788b17ea2834a427c7a2e6f69b9bd9a8881a72397d35ad162fce1e

    SHA512

    1f9e0851d292fa65c60609796ec9f43e88b994e096171786805c608d924f65ca37cb655047d0717fa0d7c669e86b871fef15e68156c4e6a91bf4b3dc0dd6369b

  • memory/564-153-0x0000000000FA0000-0x000000000118F000-memory.dmp

    Filesize

    1.9MB

  • memory/564-154-0x0000000000FA0000-0x000000000118F000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-49-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2120-191-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-203-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-201-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-199-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-193-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-189-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-139-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-187-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-156-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-141-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-143-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-18-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-145-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-147-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2120-149-0x00000000001E0000-0x00000000003CF000-memory.dmp

    Filesize

    1.9MB

  • memory/2208-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2208-17-0x0000000005540000-0x000000000572F000-memory.dmp

    Filesize

    1.9MB

  • memory/2208-27-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2648-43-0x0000000000B40000-0x0000000000D2F000-memory.dmp

    Filesize

    1.9MB

  • memory/2648-39-0x0000000000B40000-0x0000000000D2F000-memory.dmp

    Filesize

    1.9MB

  • memory/2680-198-0x00000000011A0000-0x000000000138F000-memory.dmp

    Filesize

    1.9MB

  • memory/2680-196-0x00000000011A0000-0x000000000138F000-memory.dmp

    Filesize

    1.9MB

  • memory/2712-140-0x0000000005770000-0x000000000595F000-memory.dmp

    Filesize

    1.9MB

  • memory/2712-186-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2712-142-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2712-144-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

  • memory/2792-138-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2792-41-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB