Overview

overview

10

Static

static

Balancer-U....7.exe

windows7_x64

10

Balancer-U....7.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23-04-2021 17:50

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General

  • Target

    Balancer-UIApp-2.2.7.exe

  • Size

    103.2MB

  • MD5

    187c604d50684ba55f5067d00d51a8c2

  • SHA1

    d3f622f82f6669dc4496f2b58a19c6d3e21d5844

  • SHA256

    b4f47cba1fde0cec963df1a7cfce6856303dcf6f376e6d7172fea107b8611de1

  • SHA512

    2521ba2162f666a180a91bd980cf08aed8e3abbfe772c7cd934b3c8e46dc9270723aad4c10fb70f991e7ef4e5e6cc439852271817edf6c5179d0861ac8ff4b56

Score
10/10
remcosrat

Malware Config

Extracted

Family

remcos

C2

94.23.218.87:4783

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe
    "C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:300
    • C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe
      "C:\Users\Admin\AppData\Local\Temp\Balancer-UIApp-2.2.7.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 1324
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/300-66-0x0000000000000000-mapping.dmp
    Download
  • memory/568-70-0x0000000000000000-mapping.dmp
    Download
  • memory/568-72-0x0000000000380000-0x0000000000381000-memory.dmp
    Filesize

    4KB

    Download
  • memory/772-68-0x000000000042EEEF-mapping.dmp
    Download
  • memory/772-67-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

    Download
  • memory/772-71-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

    Download
  • memory/1268-60-0x00000000013E0000-0x00000000013E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1268-62-0x0000000075591000-0x0000000075593000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1268-63-0x0000000000780000-0x0000000000781000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1268-64-0x0000000005400000-0x00000000054A2000-memory.dmp
    Filesize

    648KB

    Download
  • memory/1576-65-0x0000000000000000-mapping.dmp
    Download