Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 04:46

General

  • Target

    HDEBERTAD3423.exe

  • Size

    1.0MB

  • MD5

    7f409fdbf293c9c3ce17a1e540739e24

  • SHA1

    ae25b94e4e8c95a5439947b195b1bd2d2f07fa7a

  • SHA256

    52183f225975e6fa1a0c7f7917d43911deccf1375e4defa83852d06cb39c5d61

  • SHA512

    1ff2d45f978b3d5b67e7dfdb717abcb6a2fc745feeade7308a6798baf8e0f9509078f9b4ff4ea7431184fa31b01fc26a8c0af6981d098849cc9c4743d4b17b58

  • SSDEEP

    12288:WurSY+aZrwrmN+wYku7+yY++DSYOfGrT2LcdgrVrvFuVCJVuH71vilSeM93g:p/4rmNNtmY8YORwiPuVCnuH7hwm93

Malware Config

Extracted

Family

remcos

Botnet

BAREATA

C2

94.156.69.174:7459

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • 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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-7AD3IP

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe
    "C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3744
    • 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\HDEBERTAD3423.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AEDsxJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4560
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AEDsxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF46.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4004
    • C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe
      "C:\Users\Admin\AppData\Local\Temp\HDEBERTAD3423.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    5665a44d81860823342bfe2a139a5bbc

    SHA1

    c6d8af8670a1f0b60a37578beb9befe156c75a65

    SHA256

    bef796e37c8ca31d425c151e38268fe940702fe7c86aa3f7142d0bfc846eca26

    SHA512

    f329d1b233243b4837f724930509798644ab90f5473649c8d52b4ec93534b07cf3ffbcccb727f7b6770312c8950a3b40318441ba48ae010c4b97d3649a5ad57f

  • 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

    ac479391eb30a2f63dc5ca2a09b67fe9

    SHA1

    b6294f7bb856539240b38a7440064f232286eb04

    SHA256

    b8dfe4a70d58652aa9ac2262ad68b8e4cec412974b2da12c5c0a40596fe561e3

    SHA512

    3d75704e925935053506bcfa35830771f19f896874943cd6a7ffae42583ec365057446d39e3aa40d4b1379d13e342373b9b4d95db639b4fb8478c298d35a7c20

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5duaztt.z4p.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCF46.tmp

    Filesize

    1KB

    MD5

    bc47c9816f9edf88418257b6c8364bcf

    SHA1

    7fcad540c912e530c58a00ed91dd64fd71b274e4

    SHA256

    6332fd18cfc475b10cd8c045deb00e47515683d1c14af6d4dd4e08ac4556c903

    SHA512

    f616a1e9d0705636bd0f99137b802ece7f534a05fb931099fc774f7f28405d7137f92ad8a67f93bf239106349277511d74d5420360c06f1046ac1545531f7e06

  • memory/388-91-0x0000000007070000-0x000000000707E000-memory.dmp

    Filesize

    56KB

  • memory/388-88-0x0000000006EB0000-0x0000000006EBA000-memory.dmp

    Filesize

    40KB

  • memory/388-75-0x0000000006CE0000-0x0000000006D83000-memory.dmp

    Filesize

    652KB

  • memory/388-74-0x0000000006A70000-0x0000000006A8E000-memory.dmp

    Filesize

    120KB

  • memory/388-64-0x00000000711A0000-0x00000000711EC000-memory.dmp

    Filesize

    304KB

  • memory/388-63-0x0000000006A90000-0x0000000006AC2000-memory.dmp

    Filesize

    200KB

  • memory/388-15-0x0000000000A00000-0x0000000000A36000-memory.dmp

    Filesize

    216KB

  • memory/388-16-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/388-90-0x0000000007040000-0x0000000007051000-memory.dmp

    Filesize

    68KB

  • memory/388-18-0x0000000004DE0000-0x0000000005408000-memory.dmp

    Filesize

    6.2MB

  • memory/388-92-0x0000000007080000-0x0000000007094000-memory.dmp

    Filesize

    80KB

  • memory/388-59-0x0000000005BB0000-0x0000000005BFC000-memory.dmp

    Filesize

    304KB

  • memory/388-21-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/388-57-0x0000000005B10000-0x0000000005B2E000-memory.dmp

    Filesize

    120KB

  • memory/388-93-0x0000000007180000-0x000000000719A000-memory.dmp

    Filesize

    104KB

  • memory/388-101-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1080-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-58-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-113-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-121-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-60-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-130-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-138-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-62-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-137-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1080-56-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3744-7-0x0000000005640000-0x000000000564A000-memory.dmp

    Filesize

    40KB

  • memory/3744-4-0x0000000005430000-0x000000000543A000-memory.dmp

    Filesize

    40KB

  • memory/3744-8-0x0000000005660000-0x000000000566E000-memory.dmp

    Filesize

    56KB

  • memory/3744-10-0x0000000008530000-0x00000000085CC000-memory.dmp

    Filesize

    624KB

  • memory/3744-5-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-9-0x00000000058A0000-0x0000000005960000-memory.dmp

    Filesize

    768KB

  • memory/3744-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/3744-6-0x0000000005510000-0x0000000005522000-memory.dmp

    Filesize

    72KB

  • memory/3744-1-0x0000000000950000-0x0000000000A58000-memory.dmp

    Filesize

    1.0MB

  • memory/3744-37-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-3-0x0000000005460000-0x00000000054F2000-memory.dmp

    Filesize

    584KB

  • memory/3744-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/4560-26-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/4560-86-0x00000000081E0000-0x000000000885A000-memory.dmp

    Filesize

    6.5MB

  • memory/4560-100-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-94-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

    Filesize

    32KB

  • memory/4560-25-0x00000000058C0000-0x00000000058E2000-memory.dmp

    Filesize

    136KB

  • memory/4560-36-0x0000000006240000-0x0000000006594000-memory.dmp

    Filesize

    3.3MB

  • memory/4560-28-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/4560-22-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-19-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-89-0x0000000007E20000-0x0000000007EB6000-memory.dmp

    Filesize

    600KB

  • memory/4560-17-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-76-0x00000000711A0000-0x00000000711EC000-memory.dmp

    Filesize

    304KB

  • memory/4560-87-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

    Filesize

    104KB