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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 04:44

General

  • Target

    f5f66462166f3f6b0fce4a4274820590_NEIKI.exe

  • Size

    119KB

  • MD5

    f5f66462166f3f6b0fce4a4274820590

  • SHA1

    c47a90c204413df2c839b57a4dc5596c44ce7dab

  • SHA256

    5a23aef35d5eb8e73055bc9b00d99f6116c6ba22b885b66fcb950962ac9f7201

  • SHA512

    4d80d827fa0d2b82b7ba73d3499c4ee508ccd6f0b99201e964e6690d5165188bda7e364a784c5d432f617e913b5bbfd9ee77e31b3c0e6f88289c0acf2c5f6c5c

  • SSDEEP

    3072:uO9fv/TlNCwXgsTiqUZF36BCBH3EZkC5Dlm5ZNJT:l9fXTl1XNiqIqCBHclSt

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5f66462166f3f6b0fce4a4274820590_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\f5f66462166f3f6b0fce4a4274820590_NEIKI.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /installservice
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:1824
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /start
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3904
    • C:\Windows\SysWOW64\urdvxc.exe
      C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\f5f66462166f3f6b0fce4a4274820590_NEIKI.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies registry class
      PID:3672
  • C:\Windows\SysWOW64\urdvxc.exe
    "C:\Windows\SysWOW64\urdvxc.exe" /service
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    PID:3064
  • C:\Windows\SysWOW64\urdvxc.exe
    "C:\Windows\SysWOW64\urdvxc.exe" /service
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    PID:4724

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Program Files\Java\jdk-1.8\README.html

    Filesize

    263B

    MD5

    8e0789ff750b413c70a9b109432cf0ba

    SHA1

    84c429f3b741a44bced2a137ee62254348e89da6

    SHA256

    f37026c18146ffd616868fc2b6b18bd1d4d35d701a99d1eb1e3b0974c01079b1

    SHA512

    36b4cd6cb7854ed594ab3e1918731e2ad76fc3dab376f691518a2fb19fc8d1edd6f512846fbb171123dac0f661444a84c112dad014477fb7f6420dc03700a899

  • C:\Program Files\Java\jdk-1.8\jre\Welcome.html

    Filesize

    1KB

    MD5

    a8b87b40087637b962dbfc05d2d9d4a2

    SHA1

    468302329cc2bf7d30694d4813cd1269ef2efb7e

    SHA256

    a2d9b95bccd67b11381b384c402d821c21b7dceabeaa5f24c0f9d86df61bb032

    SHA512

    4d5cf1bdc9b333db7c90dc8bba7aaa46003bf6a87e03915710bc970763106da338ac40bad9f5934ce03c77f529c5778e430a6192aa12d7700139e93a58bba002

  • C:\Program Files\Java\jre-1.8\Welcome.html

    Filesize

    1KB

    MD5

    bc7c57b483916c6260cf0467bd8f0817

    SHA1

    80d1f7095e14da4ba8e73252d998f2979b5038d3

    SHA256

    17199b56ed55902544a9c13f4f263cd0ce15ed1bc63ab1f49df634c732b5a48c

    SHA512

    f2bc75c0fc8b02751db4ff98fe3fe36d9117dd1d748bdf03d78f72a6b7fada03e6832d5123a5c3e9aadf2bf92a266cd76ca9beb3914efc09ccbc99cc24467ced

  • C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html

    Filesize

    1KB

    MD5

    395c610fe7a603590149505188755aeb

    SHA1

    c5404592b7560c66ba7543fe1c104ba4382b3eb2

    SHA256

    2c4b57283f5dc22d2e56bb1589064e1a659774bc5f0fcf57d956a4536f36d569

    SHA512

    1e234f054ce3630e23a34c46529ec4c1e5010c9721ba19ea5c4c5d215ee55e5a48f8cf66e925a9467913e0b14557da8c0ec51e8e3624424518ec5cfa08f3fe34

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM

    Filesize

    11KB

    MD5

    4c7125f69cf2046a45daeac49cb0019f

    SHA1

    b4b17fbe1091003ed480f40654f22c89c763f01b

    SHA256

    1102b8a9933b2191f1b80bd9bc478f301536216332ddf2986d3ffc792474be3d

    SHA512

    ef255433949b3cd61a4694d2b23bd2a5d6b4a8a8e082fef068ad0c77abc4ba3fb833c1e31bdb9134613d237d7c033fa2647cfe73f06d3ad8de72128a8f323d62

  • C:\Windows\SysWOW64\urdvxc.exe

    Filesize

    119KB

    MD5

    f5f66462166f3f6b0fce4a4274820590

    SHA1

    c47a90c204413df2c839b57a4dc5596c44ce7dab

    SHA256

    5a23aef35d5eb8e73055bc9b00d99f6116c6ba22b885b66fcb950962ac9f7201

    SHA512

    4d80d827fa0d2b82b7ba73d3499c4ee508ccd6f0b99201e964e6690d5165188bda7e364a784c5d432f617e913b5bbfd9ee77e31b3c0e6f88289c0acf2c5f6c5c

  • memory/1824-6-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1824-7-0x0000000000510000-0x000000000052F000-memory.dmp

    Filesize

    124KB

  • memory/2240-0-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2240-1-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-48-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-53-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-20-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-21-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-22-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-23-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-24-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-25-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-26-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-27-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-28-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-29-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-30-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-31-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-32-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-33-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-34-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-35-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-37-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-39-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-40-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-41-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-42-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-43-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-44-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-45-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-46-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-47-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-17-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-49-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-50-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-51-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-52-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-19-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-54-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-55-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-56-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-57-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-58-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-59-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-60-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-61-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-62-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-63-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-64-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-65-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-67-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-66-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-68-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-70-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-72-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-73-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-75-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-76-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-77-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-74-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-71-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-69-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-1133-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-5951-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-11-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-12-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-16-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3064-18-0x00000000001E0000-0x00000000001FF000-memory.dmp

    Filesize

    124KB

  • memory/3672-38-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/3904-9-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4724-5953-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB

  • memory/4724-7308-0x00000000001C0000-0x00000000001DF000-memory.dmp

    Filesize

    124KB