Overview

overview

7

Static

static

77b9f4d5c6...8d.exe

windows7_x64

6

77b9f4d5c6...8d.exe

windows10_x64

7

Analysis

  • max time kernel
    124s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22/12/2020, 12:25

Sharing

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General

  • Target
    77b9f4d5c61b2137787a5da85717e88d.exe
  • Size 74KB
  • Sample201222-1b5synvwee
  • SHA256 b5188b0e21575407dbfc61df11d80353a6fec4f57098596b45e37bc746ba58e9
  • MD5 SHA1 SHA512
Score
7/10
spyware

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77b9f4d5c61b2137787a5da85717e88d.exe
    "C:\Users\Admin\AppData\Local\Temp\77b9f4d5c61b2137787a5da85717e88d.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\timeout.exe
      timeout 4
      2⤵
      • Delays execution with timeout.exe
      PID:2272
    • C:\Users\Admin\AppData\Local\Temp\77b9f4d5c61b2137787a5da85717e88d.exe
      "C:\Users\Admin\AppData\Local\Temp\77b9f4d5c61b2137787a5da85717e88d.exe"
      2⤵
        PID:1892
      • C:\Users\Admin\AppData\Local\Temp\77b9f4d5c61b2137787a5da85717e88d.exe
        "C:\Users\Admin\AppData\Local\Temp\77b9f4d5c61b2137787a5da85717e88d.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 1700
        2⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2304

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/928-9-0x0000000000400000-0x000000000045B000-memory.dmp
          Download

          memory/928-11-0x0000000000400000-0x000000000045B000-memory.dmp
          Download

          memory/1628-2-0x0000000073840000-0x0000000073F2E000-memory.dmp
          Download

          memory/1628-3-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
          Download

          memory/1628-5-0x00000000054F0000-0x00000000054F1000-memory.dmp
          Download

          memory/1628-7-0x0000000005EE0000-0x0000000005F47000-memory.dmp
          Download

          memory/1628-8-0x0000000006450000-0x0000000006451000-memory.dmp
          Download

          memory/2304-12-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
          Download