Overview

overview

10

Static

static

Balancer-U....7.exe

windows7_x64

10

Balancer-U....7.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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 16 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 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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:2840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:3016
    • 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:3000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 1960
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448

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/2840-114-0x0000000000A30000-0x0000000000A31000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2840-116-0x0000000005340000-0x0000000005341000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2840-117-0x0000000007EA0000-0x0000000007EA1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2840-118-0x0000000007F40000-0x0000000007FE2000-memory.dmp
    Filesize

    648KB

    Download
  • memory/2840-121-0x0000000008E60000-0x0000000008E61000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2952-119-0x0000000000000000-mapping.dmp
    Download
  • memory/3000-122-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

    Download
  • memory/3000-123-0x000000000042EEEF-mapping.dmp
    Download
  • memory/3000-124-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

    Download
  • memory/3016-120-0x0000000000000000-mapping.dmp
    Download