Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 14:32

General

  • Target

    063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe

  • Size

    887KB

  • MD5

    d00bc0bb8327bcd47bf1edf2f947f009

  • SHA1

    bde4253bc87f9311f25530fa57a83cc2b58460e6

  • SHA256

    063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a

  • SHA512

    2538397409e94883563a59e45cda0ff883757d942d2b97e865c6499f40189915f6e1e693a938e2bb317624b7e185c5e3fab67f5453bbc47b8b29646eca694129

  • SSDEEP

    24576:Cx7nA7b6yCGFkEZqGLxi7MR0hlI0j/FKMhD+ZlNnX4UVFTWtim:Cx7nAH6y9F/ZJ9i7hhlBKMhiZlN4sFy/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.175.229.139:8087

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    yes.png

  • keylog_flag

    false

  • keylog_folder

    aka

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    jhudguiytgu-AAHEXC

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe
    "C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HbbKHWNWN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HbbKHWNWN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B7B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3188
    • C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe
      "C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe
        C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe /stext "C:\Users\Admin\AppData\Local\Temp\lzqczrfpxijcfdhrgu"
        3⤵
          PID:2912
        • C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe
          C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe /stext "C:\Users\Admin\AppData\Local\Temp\lzqczrfpxijcfdhrgu"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3536
        • C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe
          C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe /stext "C:\Users\Admin\AppData\Local\Temp\vtwvacqjlrbhirvvpfgoq"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:4320
        • C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe
          C:\Users\Admin\AppData\Local\Temp\063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a.exe /stext "C:\Users\Admin\AppData\Local\Temp\gobnaubkhztmsxrzhqbpbtkc"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4304

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      18KB

      MD5

      40c531f732ade648538e08681e7316a3

      SHA1

      dcdeed6cd361efc5fd47d851a952ec3ce7a2c7b7

      SHA256

      645a964a9ca6d81ea4e7432ba8807b5227408ab4cb6c177d849ad58ee819267e

      SHA512

      6ddb91cfed3939c20e99404bee82788af2106f63018940a5787ebc4e1560cad3f969c9a62288f8c618571981287d30a97843018e7daeca2027d2cdebcbeccbe1

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vhhy5fhq.pld.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\lzqczrfpxijcfdhrgu
      Filesize

      4KB

      MD5

      1b569d3543316abb59c472fde02e3317

      SHA1

      c4ea1f4ae0d1247036816d574f6240a952812720

      SHA256

      ede1b7223b5618dbe5982916444e09ac23db2cea8d7245359bf6bcbe33b34568

      SHA512

      1276a4bd1720630c67ba3ba6993dfbc13191bcd6d53f1ba417deb895476276fe6f6c163b1ab22e7ac86178412b4dce870f3eeb3cd267af8afbaed60fd9355136

    • C:\Users\Admin\AppData\Local\Temp\tmp6B7B.tmp
      Filesize

      1KB

      MD5

      afde345a23f6383a07fd81a37412045a

      SHA1

      35b2098bcbc983c2e62bde279bc3de642b9ff322

      SHA256

      efaeb235de5e60e94d4bd33dc7ad19fd507cca58d10f04e981698c338b058b9c

      SHA512

      5a115678951c8bbf08da2f6979fadc11775a285a247a4c61325fde8a761337f197534a3732967cf0fd338fcf352cb1102dbb09f1a34962211c1e02309860ebb9

    • C:\Users\Admin\AppData\Roaming\aka\yes.png
      Filesize

      144B

      MD5

      471f12bdd977eeed2336f8b1672eb401

      SHA1

      75082264ee4245dcb230e524e895453844e93e97

      SHA256

      530555e8709b098957cf0d932ac38fa8148b348db75527bcf999b8494aac0477

      SHA512

      149f8d7f9d15f5ec2395b8e2f90829eb4abfd2c57f0cd4e3d538cfade0b24d99bc4706a8d4f36abda856d6aa5d4eaa554977b2a541bb3b7e3cefc863a9522484

    • memory/916-4-0x0000000005140000-0x0000000005150000-memory.dmp
      Filesize

      64KB

    • memory/916-7-0x00000000052F0000-0x0000000005304000-memory.dmp
      Filesize

      80KB

    • memory/916-8-0x00000000054B0000-0x00000000054BA000-memory.dmp
      Filesize

      40KB

    • memory/916-9-0x00000000054D0000-0x00000000054DE000-memory.dmp
      Filesize

      56KB

    • memory/916-10-0x00000000062F0000-0x00000000063B0000-memory.dmp
      Filesize

      768KB

    • memory/916-6-0x0000000005310000-0x00000000053AC000-memory.dmp
      Filesize

      624KB

    • memory/916-5-0x00000000050C0000-0x00000000050CA000-memory.dmp
      Filesize

      40KB

    • memory/916-27-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/916-3-0x0000000005000000-0x0000000005092000-memory.dmp
      Filesize

      584KB

    • memory/916-50-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/916-2-0x0000000005510000-0x0000000005AB4000-memory.dmp
      Filesize

      5.6MB

    • memory/916-0-0x0000000000520000-0x0000000000602000-memory.dmp
      Filesize

      904KB

    • memory/916-1-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/1220-30-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-61-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-174-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-173-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-166-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-47-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-165-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-158-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-49-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-157-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-51-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-53-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-54-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-55-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-150-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-149-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-58-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-59-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-60-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-134-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1220-146-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1220-141-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-139-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-138-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-135-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1220-136-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/1220-130-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1220-133-0x0000000010000000-0x0000000010019000-memory.dmp
      Filesize

      100KB

    • memory/1220-90-0x0000000000400000-0x0000000000482000-memory.dmp
      Filesize

      520KB

    • memory/3536-99-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/3536-128-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/3536-109-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/3536-105-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/4304-119-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/4304-116-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/4304-111-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/4304-104-0x0000000000400000-0x0000000000424000-memory.dmp
      Filesize

      144KB

    • memory/4320-102-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/4320-110-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/4320-144-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/4320-117-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/4320-108-0x0000000000400000-0x0000000000462000-memory.dmp
      Filesize

      392KB

    • memory/4924-91-0x0000000007350000-0x00000000079CA000-memory.dmp
      Filesize

      6.5MB

    • memory/4924-88-0x0000000006BE0000-0x0000000006C83000-memory.dmp
      Filesize

      652KB

    • memory/4924-96-0x0000000006F40000-0x0000000006F4E000-memory.dmp
      Filesize

      56KB

    • memory/4924-26-0x0000000005430000-0x0000000005784000-memory.dmp
      Filesize

      3.3MB

    • memory/4924-115-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4924-21-0x0000000004950000-0x0000000004972000-memory.dmp
      Filesize

      136KB

    • memory/4924-24-0x00000000053C0000-0x0000000005426000-memory.dmp
      Filesize

      408KB

    • memory/4924-19-0x0000000004570000-0x0000000004580000-memory.dmp
      Filesize

      64KB

    • memory/4924-92-0x0000000006D10000-0x0000000006D2A000-memory.dmp
      Filesize

      104KB

    • memory/4924-118-0x0000000004570000-0x0000000004580000-memory.dmp
      Filesize

      64KB

    • memory/4924-56-0x00000000059F0000-0x0000000005A0E000-memory.dmp
      Filesize

      120KB

    • memory/4924-18-0x0000000004BB0000-0x00000000051D8000-memory.dmp
      Filesize

      6.2MB

    • memory/4924-17-0x0000000004570000-0x0000000004580000-memory.dmp
      Filesize

      64KB

    • memory/4924-126-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4924-100-0x0000000007030000-0x0000000007038000-memory.dmp
      Filesize

      32KB

    • memory/4924-16-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4924-57-0x0000000005A80000-0x0000000005ACC000-memory.dmp
      Filesize

      304KB

    • memory/4924-95-0x0000000006F10000-0x0000000006F21000-memory.dmp
      Filesize

      68KB

    • memory/4924-63-0x000000007FC10000-0x000000007FC20000-memory.dmp
      Filesize

      64KB

    • memory/4924-77-0x0000000004570000-0x0000000004580000-memory.dmp
      Filesize

      64KB

    • memory/4924-64-0x0000000075280000-0x00000000752CC000-memory.dmp
      Filesize

      304KB

    • memory/4924-75-0x0000000006960000-0x000000000697E000-memory.dmp
      Filesize

      120KB

    • memory/4924-15-0x00000000020C0000-0x00000000020F6000-memory.dmp
      Filesize

      216KB

    • memory/5068-62-0x0000000006E30000-0x0000000006E62000-memory.dmp
      Filesize

      200KB

    • memory/5068-98-0x00000000074C0000-0x00000000074DA000-memory.dmp
      Filesize

      104KB

    • memory/5068-65-0x000000007F3E0000-0x000000007F3F0000-memory.dmp
      Filesize

      64KB

    • memory/5068-87-0x0000000004A90000-0x0000000004AA0000-memory.dmp
      Filesize

      64KB

    • memory/5068-76-0x0000000075280000-0x00000000752CC000-memory.dmp
      Filesize

      304KB

    • memory/5068-122-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/5068-25-0x0000000004A90000-0x0000000004AA0000-memory.dmp
      Filesize

      64KB

    • memory/5068-93-0x00000000071F0000-0x00000000071FA000-memory.dmp
      Filesize

      40KB

    • memory/5068-23-0x0000000005050000-0x00000000050B6000-memory.dmp
      Filesize

      408KB

    • memory/5068-22-0x0000000074A20000-0x00000000751D0000-memory.dmp
      Filesize

      7.7MB

    • memory/5068-97-0x00000000073C0000-0x00000000073D4000-memory.dmp
      Filesize

      80KB

    • memory/5068-94-0x0000000007400000-0x0000000007496000-memory.dmp
      Filesize

      600KB