Analysis

  • max time kernel
    148s
  • 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
    13-07-2024 11:20

General

  • Target

    9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe

  • Size

    1.1MB

  • MD5

    52c34c59183a5b51c6635a5c07dbe83a

  • SHA1

    7def618896505fde8a6d91fe34bff462ccfaaed9

  • SHA256

    9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2

  • SHA512

    b115d169591f02587353b2153a727980bc2a59aabec11e4090cfc9946153270c621711309d3326806f65abc61dcb70da9c7dee5d80c30ac2e1eb8d4b8a411a1c

  • SSDEEP

    24576:wMIQNlECrbLafnmKvsdgIS0sR7v/vMJ7tHNVuq0CR3NNgz/5X:JIQNJnufXggIHsBkJ7tHn/xRdA/5X

Malware Config

Extracted

Family

remcos

Botnet

THEONE

C2

45.66.231.218:4259

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-UII1DP

  • 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).

  • 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\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe
    "C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • 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\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3348
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LDrvERevBZJN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LDrvERevBZJN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC8FD.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4268
    • C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe
      "C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    ab82b74e0f2b259b767e81ddab539296

    SHA1

    93b0dc3b562869e1e1f086ab4409afcf906be173

    SHA256

    a2429f2f262fdce0f206d469c4eb5fc3a10c12651a38f76e7528527cc3649122

    SHA512

    4a60fbe963bb19fffd30f8ce75ebbc64eb2611855a711bcb137a8f6649598e277701f5e9592f17170f91ce3582427bfc6cb0c925727b60e58b231c8684b2cf92

  • 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

    aab1654d3778e5df2d3dfcd4b7fea052

    SHA1

    1b47f6e2ebde94b134398e267ae3485ef0576229

    SHA256

    ad73c644bbc6679b3bb4807fa42230fb525516a1339240cfbb7f0927326ac7e4

    SHA512

    336e52519d12afcd44024f099b923e65b59e665d0678c50b0b670707eed5a5dbcbbbdfa35ba18abe866fc70f711387b9605c78c6de8971c424142058121cb36d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3tudfzsv.rv3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC8FD.tmp

    Filesize

    1KB

    MD5

    4bfe3beaffdfb46ba3fed0e359da23db

    SHA1

    7a7ce06e21aec5261f60f40482d0a58994587eb8

    SHA256

    66855f1e77d64077bfd672adccca34f763706939b7b413cc2d90f88bac0206e9

    SHA512

    dadb81106373c19295f6f568325888285dd4fc8e3c882f77d43e0b914c4516d0cd4ed3b2ecd28d0468cfd73ceda6b0462413ddbb8e011f293fbc71ce310255ed

  • memory/1572-4-0x0000000005790000-0x000000000579A000-memory.dmp

    Filesize

    40KB

  • memory/1572-6-0x0000000005930000-0x0000000005942000-memory.dmp

    Filesize

    72KB

  • memory/1572-7-0x0000000005D20000-0x0000000005D28000-memory.dmp

    Filesize

    32KB

  • memory/1572-8-0x00000000068E0000-0x00000000068EE000-memory.dmp

    Filesize

    56KB

  • memory/1572-9-0x0000000006940000-0x0000000006A00000-memory.dmp

    Filesize

    768KB

  • memory/1572-10-0x00000000095E0000-0x000000000967C000-memory.dmp

    Filesize

    624KB

  • memory/1572-5-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1572-3-0x00000000056C0000-0x0000000005752000-memory.dmp

    Filesize

    584KB

  • memory/1572-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1572-1-0x0000000000BC0000-0x0000000000CD6000-memory.dmp

    Filesize

    1.1MB

  • memory/1572-0-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/1572-36-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-90-0x0000000007D90000-0x0000000007D98000-memory.dmp

    Filesize

    32KB

  • memory/2904-37-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-97-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-83-0x0000000007A70000-0x0000000007A8A000-memory.dmp

    Filesize

    104KB

  • memory/2904-71-0x00000000076E0000-0x0000000007783000-memory.dmp

    Filesize

    652KB

  • memory/2904-70-0x0000000007680000-0x000000000769E000-memory.dmp

    Filesize

    120KB

  • memory/2904-59-0x00000000076A0000-0x00000000076D2000-memory.dmp

    Filesize

    200KB

  • memory/2904-20-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-60-0x0000000075AA0000-0x0000000075AEC000-memory.dmp

    Filesize

    304KB

  • memory/2904-33-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-84-0x0000000007C80000-0x0000000007C8A000-memory.dmp

    Filesize

    40KB

  • memory/3348-15-0x0000000001840000-0x0000000001876000-memory.dmp

    Filesize

    216KB

  • memory/3348-26-0x0000000006260000-0x00000000062C6000-memory.dmp

    Filesize

    408KB

  • memory/3348-35-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-96-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-34-0x00000000062D0000-0x0000000006624000-memory.dmp

    Filesize

    3.3MB

  • memory/3348-57-0x00000000068F0000-0x000000000690E000-memory.dmp

    Filesize

    120KB

  • memory/3348-58-0x00000000069A0000-0x00000000069EC000-memory.dmp

    Filesize

    304KB

  • memory/3348-17-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-25-0x00000000061F0000-0x0000000006256000-memory.dmp

    Filesize

    408KB

  • memory/3348-16-0x0000000005A60000-0x0000000006088000-memory.dmp

    Filesize

    6.2MB

  • memory/3348-23-0x0000000006150000-0x0000000006172000-memory.dmp

    Filesize

    136KB

  • memory/3348-72-0x0000000075AA0000-0x0000000075AEC000-memory.dmp

    Filesize

    304KB

  • memory/3348-19-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-82-0x0000000008260000-0x00000000088DA000-memory.dmp

    Filesize

    6.5MB

  • memory/3348-89-0x0000000007F50000-0x0000000007F6A000-memory.dmp

    Filesize

    104KB

  • memory/3348-85-0x0000000007E90000-0x0000000007F26000-memory.dmp

    Filesize

    600KB

  • memory/3348-86-0x0000000007E10000-0x0000000007E21000-memory.dmp

    Filesize

    68KB

  • memory/3348-87-0x0000000007E40000-0x0000000007E4E000-memory.dmp

    Filesize

    56KB

  • memory/3348-88-0x0000000007E50000-0x0000000007E64000-memory.dmp

    Filesize

    80KB

  • memory/3904-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-47-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-102-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-136-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-103-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-110-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-115-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-117-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-123-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-135-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3904-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB