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Analysis

  • max time kernel
    141s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2023, 18:14

General

  • Target

    uiso9_cn.exe

  • Size

    2.2MB

  • MD5

    539902c3cd4071c5603ab30403494b9e

  • SHA1

    b1c4a7f45a725907493543dd1dcfcb430375c001

  • SHA256

    c6fda54203f309cbe8b49584a5cb5b24ca09392b9f96191d0177221a639dc77b

  • SHA512

    78611185f54fa7395b033bb4e7d0a91ca07059f39745efc5481fb5bb42ecf1872e7f4da7dab2f2c5d6f5ac369f1d842ff6c13704ce943684b0f70367067084ce

  • SSDEEP

    49152:E9Fj+J6gI88iliT0IHdtndpzgcVYI6MBtPId/CwxKEDGz3MwH:OFjm6YlG9tnMcOsQdawxez3LH

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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uiso9_cn.exe
    "C:\Users\Admin\AppData\Local\Temp\uiso9_cn.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp" /SL5="$70124,2002741,126976,C:\Users\Admin\AppData\Local\Temp\uiso9_cn.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2036

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp

    Filesize

    760KB

    MD5

    f3c51febb3246b0bd7d5419a311331a0

    SHA1

    9f7113ef177036125ef668f718068fe60796042c

    SHA256

    bf045aaac353b715a77c54b6c145b038939053651313d7ef1e608674c7519d9a

    SHA512

    c7c1e6fab254a3b462d4c0bad2d700afc9d6bcbe2a4cff01531f937429ca5d3b56dd9c613bc978474abbc2be92e075f15c6c3cf999d899ea14e3595ea033d006

  • \Users\Admin\AppData\Local\Temp\is-26KK7.tmp\uiso9_cn.tmp

    Filesize

    760KB

    MD5

    f3c51febb3246b0bd7d5419a311331a0

    SHA1

    9f7113ef177036125ef668f718068fe60796042c

    SHA256

    bf045aaac353b715a77c54b6c145b038939053651313d7ef1e608674c7519d9a

    SHA512

    c7c1e6fab254a3b462d4c0bad2d700afc9d6bcbe2a4cff01531f937429ca5d3b56dd9c613bc978474abbc2be92e075f15c6c3cf999d899ea14e3595ea033d006

  • \Users\Admin\AppData\Local\Temp\is-9I0M4.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-9I0M4.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1052-54-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/1052-68-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2036-67-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2036-69-0x0000000000400000-0x00000000004CE000-memory.dmp

    Filesize

    824KB