Analysis

  • max time kernel
    117s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 08:49

General

  • Target

    product supplies 10589TW.exe

  • Size

    798KB

  • MD5

    5183d09c051bcf6de86a31c4a4ad059f

  • SHA1

    da44abcebcab017f6e13a9acf1556ef4ab07b4d4

  • SHA256

    2a632fa3436f40c7901873fe1ef196c9d4560ea37935fbe123259302fdd043c9

  • SHA512

    3d5212a5de1bec0716ab61840b1a6a35947cb38dfa533ffe83b9e08107d8cc4e9d52d5f82f674ba26a88007532ca0c2a9cf282375467a965056893b1c6118f39

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\product supplies 10589TW.exe
    "C:\Users\Admin\AppData\Local\Temp\product supplies 10589TW.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "hhhffh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\fjfhrhh.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:696
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "hhhffh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\fjfhrhh.exe"
        3⤵
        • Adds Run key to start application
        PID:2888
    • C:\Users\Admin\AppData\Roaming\fjfhrhh.exe
      "C:\Users\Admin\AppData\Roaming\fjfhrhh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2812

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • C:\Users\Admin\AppData\Roaming\fjfhrhh.exe
    MD5

    5183d09c051bcf6de86a31c4a4ad059f

    SHA1

    da44abcebcab017f6e13a9acf1556ef4ab07b4d4

    SHA256

    2a632fa3436f40c7901873fe1ef196c9d4560ea37935fbe123259302fdd043c9

    SHA512

    3d5212a5de1bec0716ab61840b1a6a35947cb38dfa533ffe83b9e08107d8cc4e9d52d5f82f674ba26a88007532ca0c2a9cf282375467a965056893b1c6118f39

  • C:\Users\Admin\AppData\Roaming\fjfhrhh.exe
    MD5

    5183d09c051bcf6de86a31c4a4ad059f

    SHA1

    da44abcebcab017f6e13a9acf1556ef4ab07b4d4

    SHA256

    2a632fa3436f40c7901873fe1ef196c9d4560ea37935fbe123259302fdd043c9

    SHA512

    3d5212a5de1bec0716ab61840b1a6a35947cb38dfa533ffe83b9e08107d8cc4e9d52d5f82f674ba26a88007532ca0c2a9cf282375467a965056893b1c6118f39

  • memory/696-10-0x0000000000000000-mapping.dmp
  • memory/756-9-0x0000000007DB0000-0x0000000007DB1000-memory.dmp
    Filesize

    4KB

  • memory/756-8-0x0000000005330000-0x0000000005331000-memory.dmp
    Filesize

    4KB

  • memory/756-7-0x0000000005320000-0x0000000005321000-memory.dmp
    Filesize

    4KB

  • memory/756-6-0x0000000002E00000-0x0000000002E1E000-memory.dmp
    Filesize

    120KB

  • memory/756-12-0x0000000005321000-0x0000000005322000-memory.dmp
    Filesize

    4KB

  • memory/756-5-0x0000000005360000-0x0000000005361000-memory.dmp
    Filesize

    4KB

  • memory/756-3-0x00000000009F0000-0x00000000009F1000-memory.dmp
    Filesize

    4KB

  • memory/756-2-0x00000000739A0000-0x000000007408E000-memory.dmp
    Filesize

    6.9MB

  • memory/1420-16-0x00000000739A0000-0x000000007408E000-memory.dmp
    Filesize

    6.9MB

  • memory/1420-13-0x0000000000000000-mapping.dmp
  • memory/1420-24-0x0000000005540000-0x000000000554B000-memory.dmp
    Filesize

    44KB

  • memory/1420-25-0x0000000005560000-0x0000000005561000-memory.dmp
    Filesize

    4KB

  • memory/1420-26-0x0000000005681000-0x0000000005682000-memory.dmp
    Filesize

    4KB

  • memory/1420-23-0x0000000005680000-0x0000000005681000-memory.dmp
    Filesize

    4KB

  • memory/2812-28-0x00000000004374BE-mapping.dmp
  • memory/2812-27-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2812-31-0x00000000739A0000-0x000000007408E000-memory.dmp
    Filesize

    6.9MB

  • memory/2812-34-0x0000000005310000-0x0000000005311000-memory.dmp
    Filesize

    4KB

  • memory/2812-36-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB

  • memory/2812-37-0x0000000005250000-0x0000000005251000-memory.dmp
    Filesize

    4KB

  • memory/2812-38-0x0000000005A00000-0x0000000005A01000-memory.dmp
    Filesize

    4KB

  • memory/2888-11-0x0000000000000000-mapping.dmp