Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 11:01

General

  • Target

    jpwbCJK80/jpwbCJK.exe

  • Size

    2.7MB

  • MD5

    df59ed3f4eabc974d8a1d6880cff633b

  • SHA1

    32b03cafbef31fbb04a90ce74d00548a3a4d9976

  • SHA256

    a942353b36657d97abde65dac764616316c10db5cec38361bc3d0f4423753875

  • SHA512

    f356bd0f7e30598449b10da0ae517413547f6e026db9604968ee190a61990ba5ffcef85c4bea8598ac1f062c19f39ed9ea91f0d2df71a92745396f4e752660fe

  • SSDEEP

    49152:Hl0RNTWUM52OErI3NuI29ikf1IPh5Xlw/NjndSse/eDO8DyzzG3oBGHUhaEl0rjl:HlmNTE52OEE3NuT9hf1IPh5X6lb3FDO2

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jpwbCJK80\jpwbCJK.exe
    "C:\Users\Admin\AppData\Local\Temp\jpwbCJK80\jpwbCJK.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Local\Temp\is-P4H77.tmp\jpwbCJK.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P4H77.tmp\jpwbCJK.tmp" /SL5="$4010A,2463180,57856,C:\Users\Admin\AppData\Local\Temp\jpwbCJK80\jpwbCJK.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2028

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\is-ML5EJ.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-P4H77.tmp\jpwbCJK.tmp

    Filesize

    703KB

    MD5

    208896db5485a092cb2364608f76b1e2

    SHA1

    772e070dae033efe0b97c0361106154e954f929c

    SHA256

    cf1c153b12899772966fcb22e4f25d32ee3685a29b85f1b82a4eb135f88a91cb

    SHA512

    753c7808a3c10b651c60257a34698a62f8d93f072b3a2e2a137e0e10013f9d98ce32bfcb98d8cd73c37a8aeb1a110130a8e6b718693cc47be4f7ec7fe61fc56e

  • memory/2028-9-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2028-16-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2488-3-0x0000000000401000-0x000000000040C000-memory.dmp

    Filesize

    44KB

  • memory/2488-0-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2488-15-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB