Analysis

  • max time kernel
    131s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2024 08:10

General

  • Target

    59fcc0c5a123dc0a67d61c57164ba5ea344a10101ad7bd6d3c3404c7e55f06c8.exe

  • Size

    4.0MB

  • MD5

    0e9380c75030b8154997b4e8310357b3

  • SHA1

    76ced34528c734c9871e774a6bd9cc1decffb2a4

  • SHA256

    59fcc0c5a123dc0a67d61c57164ba5ea344a10101ad7bd6d3c3404c7e55f06c8

  • SHA512

    be3b4675e43f3ef13014a7ac8e63df4073696997d786e03bd62bc0c9ae695af215011583ca50dc47ad4db8048de9c2e071db7c4e7749834534d80f5251416ba6

  • SSDEEP

    49152:A+CNRa23/nk7xi03zDWi26fs2cWDAbcl7jkv4+9Ry4kjCzSC:bIRa23/k7T0uDhEv4n4Mm

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59fcc0c5a123dc0a67d61c57164ba5ea344a10101ad7bd6d3c3404c7e55f06c8.exe
    "C:\Users\Admin\AppData\Local\Temp\59fcc0c5a123dc0a67d61c57164ba5ea344a10101ad7bd6d3c3404c7e55f06c8.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\sxteam.exe
      C:\Windows\System32\sxteam.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:2896
    • C:\Users\Admin\AppData\Local\Temp\µÇ½.exe
      C:\Users\Admin\AppData\Local\Temp\怫.exe
      2⤵
      • Executes dropped EXE
      PID:2660
  • C:\Program Files (x86)\Nnvnnrv.exe
    "C:\Program Files (x86)\Nnvnnrv.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Program Files (x86)\Nnvnnrv.exe
      "C:\Program Files (x86)\Nnvnnrv.exe" Win7
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2820

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Nnvnnrv.exe

    Filesize

    2.1MB

    MD5

    7145a479fd90ca34fb166928daf80091

    SHA1

    ee6f1081860d8d26ff060bca25503071a30d87f1

    SHA256

    3da7ef3f23871e45306e783acc593b4171aed03158322c86a8adddc7d4ff9952

    SHA512

    1617d74b630437470c264c348bf6c765eb1b8ed9f1102cc404df3b172cc17338d6ecd4045327bebe91cbafba180cdf4275f7d514cdaaa7c98226a9fb2d5ed2ba

  • C:\Program Files (x86)\Nnvnnrv.exe

    Filesize

    2.1MB

    MD5

    25fd62d0cfb614c0d6298f242a87c437

    SHA1

    36686a8e2a272d39337874fe20cbd61afb8493fd

    SHA256

    4b9b174b6d305189029f41bb68909e62d9befc5c06d3aa70a38dc46f67269510

    SHA512

    c579ebb91434d519b367876c1a4a0e39efe049883e22b502999b64554c0cd253f14069209f2d7d218b9bf43f2e05de27c39442d619d83eaa8ee7ffd2c2d6a25a

  • \Users\Admin\AppData\Local\Temp\µÇ½.exe

    Filesize

    8KB

    MD5

    8c62db072c6ce1d4776bee7954d45e98

    SHA1

    1e328f615baa9f79d20cf3e2f242cfd46462f2ce

    SHA256

    fd4dc8e58d8e97dd54ea0fd76b6aa25aa5afd3a859467dca3b9123ad10a4d331

    SHA512

    fc67482599fb9b11c5e4fda9005b8cd903da64ce7f4022a8f297b7c3ac553705f78d9d21fd0237a7ab052036c47927935dc85ee17bb4ca287d50b5f911a43a19

  • \Windows\SysWOW64\sxteam.exe

    Filesize

    3.3MB

    MD5

    19d204376965daa8293b8dad0544e792

    SHA1

    9d57f94c7c59e462bc281b0d0321ea5049a4d4b5

    SHA256

    d20854dd8c10f5957f51e70c07b8129d05c5c56c9cc3796b815087ef123d9eb3

    SHA512

    80783d97681e17f506f4f38495b34e2450144c504232cf2c65c5e3f670f2518357c6e238634ae32290f9bc3eff07edc8445253e49a179f5c869d9572e163f2c7

  • memory/2660-27-0x0000000000220000-0x0000000000260000-memory.dmp

    Filesize

    256KB

  • memory/2660-28-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2660-40-0x0000000000220000-0x0000000000260000-memory.dmp

    Filesize

    256KB

  • memory/2756-26-0x0000000000230000-0x000000000023A000-memory.dmp

    Filesize

    40KB

  • memory/2756-24-0x0000000000230000-0x000000000023A000-memory.dmp

    Filesize

    40KB

  • memory/2896-8-0x0000000010000000-0x000000001001F000-memory.dmp

    Filesize

    124KB