Analysis

  • max time kernel
    131s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 04:03

General

  • Target

    Remittance.htm

  • Size

    266B

  • MD5

    995b65b96e6d62f5f15232cabeee227d

  • SHA1

    e9c55fe6c03c6d6e3384c47589b11fbcc09f4dc2

  • SHA256

    3cc6860519543b336cf74baa4e89816f3cb58f6ff7c71646e8ea142a3b7c1236

  • SHA512

    aca62c3c63145e264d9f80eee5396322ec8807776f277693418eba7599005512632a5ce911d841322bf64adbb244c01d49206f10b71855bd2b757b948672aa1e

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Drops file in System32 directory 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Remittance.htm
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2228 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2656
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:4700

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat
    Filesize

    17KB

    MD5

    2160e766debec20bf657aeae330f7c5c

    SHA1

    51c2c6adf465e4a8130e29ac071e7ac5fe14cd91

    SHA256

    e2434b4c0e2b2ae187f8b3e9c0aedad1307ed8f22368528b0e51fee6040b6f1b

    SHA512

    83fa1c02b53919d8af4c373987211fd2c7f2f305ab8d8904a766a5b124b63a0647eb400ad3d46e7108b4527e220e97fd1a54ad1a2e15cce0cc44579d86fee7c6