Analysis

  • max time kernel
    151s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2023, 23:49

General

  • Target

    653f628893de874793983dc90b8868c7e56229e28f7eaf79d615c55490179411.exe

  • Size

    360KB

  • MD5

    baa40e739a7b86a71f5ce1cc9ef151b8

  • SHA1

    67c7f0cf57aff173413f0ba17e9ec5052f1aac86

  • SHA256

    653f628893de874793983dc90b8868c7e56229e28f7eaf79d615c55490179411

  • SHA512

    a6bf3aa52d35cc7119bce93b5166dec0f48692db7b394d54d656a1e8c3871dbfaa17391f894a26d2cedad4d09c316525b122f1689941bd92e008b47940436dbc

  • SSDEEP

    6144:wBlL/71aRFGx1f1M/bwy2TtkyVIfjdiYfoRK7pvcHFyXX/Q+dClyOIyS:CJ1GGdcbwy2kyVIblgc1E6XY+dxO7S

Malware Config

Extracted

Family

remcos

Botnet

JOHN-PC

C2

107.175.229.139:8087

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-IN4YDY

  • 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 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 37 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\653f628893de874793983dc90b8868c7e56229e28f7eaf79d615c55490179411.exe
    "C:\Users\Admin\AppData\Local\Temp\653f628893de874793983dc90b8868c7e56229e28f7eaf79d615c55490179411.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe
      "C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe
        "C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe
          C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe /stext "C:\Users\Admin\AppData\Local\Temp\jiadtlrwtvzficaozdflklynpwhtlharx"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2884
        • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe
          C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe /stext "C:\Users\Admin\AppData\Local\Temp\ukfou"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook accounts
          PID:2812
        • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe
          C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe /stext "C:\Users\Admin\AppData\Local\Temp\welguwnrd"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • C:\Users\Admin\AppData\Local\Temp\jiadtlrwtvzficaozdflklynpwhtlharx

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Local\Temp\qhnlknnvg.a

    Filesize

    252KB

    MD5

    ddbc7a941cc8a41868214bf457414ba3

    SHA1

    9863a26f3e01f83959063b788cd1454363822e01

    SHA256

    3a771752b239f75a7bbef2e0e95d8ba7d74c5f070160e970c15325c1d5502735

    SHA512

    667960b374d7ed49966c37e2fab808176f0d28e2c5fd3afc8c2ccdde0618e0b974cc4393005794cdff63069ce58b68238f4e5f2e94dc754a6c3ada688fd99099

  • \Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • \Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • \Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • \Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • \Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • \Users\Admin\AppData\Local\Temp\hmgffhl.exe

    Filesize

    179KB

    MD5

    af8589ad7b9edf29559886b6c11320c5

    SHA1

    27c66de8bbaa255d5ed3e200119b8f5f443ddf52

    SHA256

    d79d1c50863e99b5d93d3d5f7f6c68a0f7774cd53e329a9cd626123c2d8b4716

    SHA512

    b5203bd31d3bd6047bfd1648b6bd308ec7c46d5566962b695e06209184f24224bf2a9094744330cbb1e037f914d4bdd625165773d992145a8c38b74ab0348ecd

  • memory/2076-9-0x00000000002A0000-0x00000000002A3000-memory.dmp

    Filesize

    12KB

  • memory/2812-70-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2812-47-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2812-51-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2812-39-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/2884-40-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2884-45-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2884-35-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2884-61-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2940-52-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2940-53-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2940-46-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2940-54-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2940-55-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2972-24-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-74-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2972-31-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-30-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-29-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-28-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-27-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-26-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-25-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-23-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-22-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-21-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-20-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-19-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-18-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-17-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-64-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-65-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2972-14-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-71-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2972-73-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-33-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-69-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2972-68-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/2972-75-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-76-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-77-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-78-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-79-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-80-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-81-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-82-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-83-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-84-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-85-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-87-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-88-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-89-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-90-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-91-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-92-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/2972-93-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB