Analysis

  • max time kernel
    193s
  • max time network
    230s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 19:10

General

  • Target

    283c08a771c7fb18463294ae3b75b07449c3c07a2b45f63ae9831d8709b10512.exe

  • Size

    2.3MB

  • MD5

    51b63624539d377d79a619208b2cc795

  • SHA1

    15da4757cf87574eee4fb4538bed3639f83f9ddb

  • SHA256

    283c08a771c7fb18463294ae3b75b07449c3c07a2b45f63ae9831d8709b10512

  • SHA512

    83115bb2a56e85b59cce5c8bd346667efe8416f959e751c959b1802a48e3c53f8e4c5f057b2f86a9a9563f5e6f85429fd82651b1dc66c433565b99cc25c43a4e

  • SSDEEP

    49152:WlmMc8EjGCbKeaoK94jmPBLeL7gBfi/4gXkc/hbHorCUm0fN:Wlm382GCbKeWyjUBLL2dT/xoWUT

Malware Config

Signatures

  • RMS

    Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

  • Executes dropped EXE 2 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 3 IoCs
  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\283c08a771c7fb18463294ae3b75b07449c3c07a2b45f63ae9831d8709b10512.exe
    "C:\Users\Admin\AppData\Local\Temp\283c08a771c7fb18463294ae3b75b07449c3c07a2b45f63ae9831d8709b10512.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\install.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im anvir.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1368
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im rutserv.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1444
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im rfusclient.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1492
      • C:\Windows\SysWOW64\attrib.exe
        attrib +s +h +r "C:\Users\Admin\WindowsUpdate"
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:1612
      • C:\Users\Admin\WindowsUpdate\svnhost.exe
        "C:\Users\Admin\WindowsUpdate\svnhost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1200
        • C:\Users\Admin\WindowsUpdate\svnhost.exe
          C:\Users\Admin\WindowsUpdate\svnhost.exe -second
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RIPCServer.dll

    Filesize

    144KB

    MD5

    794b9c46edf14e255d2e5e40b351ed70

    SHA1

    5e80a8ed318b1c6b7faa0c0ab25a0d2a1db146d8

    SHA256

    d7612a721e42438071bf9adeda3a8d098f7e5e6952aa5a692df88035238f5284

    SHA512

    b0dc026f404bc7700fa5c3b7ca2aade91f9c9dd4dc3a6955d8a93c129995163710f73d4e4cd6825abf4531acd3b53f6358dc56d2b84f7965646a2c1f9893105f

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RWLN.dll

    Filesize

    957KB

    MD5

    5a01089e2ead26a443bd91293f0bbf3c

    SHA1

    5ae736caec70187e328b8ea0c02991830e426527

    SHA256

    d08b94fa5b9794f8217a52236b0a510bec753f4b99a31be6718aea42bd877e54

    SHA512

    843cc40efd1a3087c6af9d0f079202cf2a6bf6adaa1c3593b62af863d70d53bc0809186ff3f01b21232c4e056f6307e12ccb7423b3c3751db509150b426d4413

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\config.dll

    Filesize

    3KB

    MD5

    2b48c32d510e84801be81fd80f41b222

    SHA1

    81db252a7755c8f3680722f7af194f009587c6f5

    SHA256

    f145719caf442d9ac21a881db71e7ce7913ae8d000ce88b93dd7123a6f46a448

    SHA512

    02c41fcf9811cbe30ab3475c44366b0ee18605fa856dde511b66be62cd973432115207df7ca6f207003a412ae08451707b4c43d90bc0e02b4731eb65b1eb0cff

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\install.bat

    Filesize

    1KB

    MD5

    2d75932c25700febaa54c29e2bc464e9

    SHA1

    d043f8453f1c44a45dc1f7ff3e7329a0791ffb31

    SHA256

    34d49cf979367440a9adcf358b11decbfdb9b01953f234903cda5535e59cc7ce

    SHA512

    11fd079edc682d05d133dedfd6a60a3dbd3f979f31a1ab8e76ba4933f917742dd5d27ea6b4b36a8791064b65a29e498e41478c6d8c0c23d0cee5b7a6812491ce

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\settings.ini

    Filesize

    765B

    MD5

    769ef920da6c87f5ea394b23c3db4334

    SHA1

    2a9103a822d89210c7e304f56131f53c0f29a008

    SHA256

    5296fd6ac8f27feafffdb1946d0f3b9d1094b449279fc08417cd4327326fa175

    SHA512

    c7f3231a4b9ead1cc798088b3b1bdf3649b5c94fa358e4358ecf3513ef62160194a6047af2b24c5339e3c6a5e4e10e46674f8fc51fa8618b45eaa52bb0be4905

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\svnhost.exe

    Filesize

    5.7MB

    MD5

    9fe52c81b7688321ca8c481f3098c74d

    SHA1

    8db972be34a9203cbe8540567430dc5759995ef5

    SHA256

    6132c9e667923ce1cabb3293b1f3be77d70fb1681bf2d3fb173a93f89eecdd94

    SHA512

    a90c7b64fed2a5a53c03846e18ab8d6209ced08c77ec858454f93e65b3284d069f0559987fcf567b1c4fa5b0f8bd1812e4bb4c7c8200a7470c8f85d588e96074

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\vp8decoder.dll

    Filesize

    409KB

    MD5

    1525887bc6978c0b54fec544877319e6

    SHA1

    7820fcd66e6fbf717d78a2a4df5b0367923dc431

    SHA256

    a47431090c357c00b27a3327d9d591088bc84b60060751ea6454cb3f1ae23e69

    SHA512

    56cb35ef2d5a52ba5cf4769a6bad4a4bae292bceff1b8aff5125046d43aff7683282a14bc8b626d7dccc250e0ed57b1ae54dd105732573089359444f774d6153

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\vp8encoder.dll

    Filesize

    691KB

    MD5

    c8fd8c4bc131d59606b08920b2fda91c

    SHA1

    df777e7c6c1b3d84a8277e6a669e9a5f7c15896d

    SHA256

    6f5ddf4113e92bf798e9ecf0fc0350ee7cae7c5479ca495e3045bdb313efd240

    SHA512

    2fe25325a94cd0f8af30f96ef03c4e64b1a721f603f792d9da72dcd4a5c92081bb24d90da5394f47e54d9d23e9c7ee845cbf469ea8371c088bda787c54b9369d

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\winmm.dll

    Filesize

    104KB

    MD5

    289a39547b5ad28d27910eeb442a5200

    SHA1

    075c6ccec7731d5d9d4bb015bc627c0059351654

    SHA256

    359832f19484c0dafa3975b9bd933149bdddd6239df1c2abaf24e90961dc5d5f

    SHA512

    f183d9223b4492828665f99d018981cacef0c7ee73918354e192a1ce2e691ced90de9699bf8b8fd327794a30b07c9c6040a4f548694a6e01857c64736ca89f05

  • C:\Users\Admin\WindowsUpdate\RIPCServer.dll

    Filesize

    144KB

    MD5

    794b9c46edf14e255d2e5e40b351ed70

    SHA1

    5e80a8ed318b1c6b7faa0c0ab25a0d2a1db146d8

    SHA256

    d7612a721e42438071bf9adeda3a8d098f7e5e6952aa5a692df88035238f5284

    SHA512

    b0dc026f404bc7700fa5c3b7ca2aade91f9c9dd4dc3a6955d8a93c129995163710f73d4e4cd6825abf4531acd3b53f6358dc56d2b84f7965646a2c1f9893105f

  • C:\Users\Admin\WindowsUpdate\RWLN.dll

    Filesize

    957KB

    MD5

    5a01089e2ead26a443bd91293f0bbf3c

    SHA1

    5ae736caec70187e328b8ea0c02991830e426527

    SHA256

    d08b94fa5b9794f8217a52236b0a510bec753f4b99a31be6718aea42bd877e54

    SHA512

    843cc40efd1a3087c6af9d0f079202cf2a6bf6adaa1c3593b62af863d70d53bc0809186ff3f01b21232c4e056f6307e12ccb7423b3c3751db509150b426d4413

  • C:\Users\Admin\WindowsUpdate\config.dll

    Filesize

    3KB

    MD5

    2b48c32d510e84801be81fd80f41b222

    SHA1

    81db252a7755c8f3680722f7af194f009587c6f5

    SHA256

    f145719caf442d9ac21a881db71e7ce7913ae8d000ce88b93dd7123a6f46a448

    SHA512

    02c41fcf9811cbe30ab3475c44366b0ee18605fa856dde511b66be62cd973432115207df7ca6f207003a412ae08451707b4c43d90bc0e02b4731eb65b1eb0cff

  • C:\Users\Admin\WindowsUpdate\settings.ini

    Filesize

    765B

    MD5

    769ef920da6c87f5ea394b23c3db4334

    SHA1

    2a9103a822d89210c7e304f56131f53c0f29a008

    SHA256

    5296fd6ac8f27feafffdb1946d0f3b9d1094b449279fc08417cd4327326fa175

    SHA512

    c7f3231a4b9ead1cc798088b3b1bdf3649b5c94fa358e4358ecf3513ef62160194a6047af2b24c5339e3c6a5e4e10e46674f8fc51fa8618b45eaa52bb0be4905

  • C:\Users\Admin\WindowsUpdate\svnhost.exe

    Filesize

    5.7MB

    MD5

    9fe52c81b7688321ca8c481f3098c74d

    SHA1

    8db972be34a9203cbe8540567430dc5759995ef5

    SHA256

    6132c9e667923ce1cabb3293b1f3be77d70fb1681bf2d3fb173a93f89eecdd94

    SHA512

    a90c7b64fed2a5a53c03846e18ab8d6209ced08c77ec858454f93e65b3284d069f0559987fcf567b1c4fa5b0f8bd1812e4bb4c7c8200a7470c8f85d588e96074

  • C:\Users\Admin\WindowsUpdate\svnhost.exe

    Filesize

    5.7MB

    MD5

    9fe52c81b7688321ca8c481f3098c74d

    SHA1

    8db972be34a9203cbe8540567430dc5759995ef5

    SHA256

    6132c9e667923ce1cabb3293b1f3be77d70fb1681bf2d3fb173a93f89eecdd94

    SHA512

    a90c7b64fed2a5a53c03846e18ab8d6209ced08c77ec858454f93e65b3284d069f0559987fcf567b1c4fa5b0f8bd1812e4bb4c7c8200a7470c8f85d588e96074

  • C:\Users\Admin\WindowsUpdate\svnhost.exe

    Filesize

    5.7MB

    MD5

    9fe52c81b7688321ca8c481f3098c74d

    SHA1

    8db972be34a9203cbe8540567430dc5759995ef5

    SHA256

    6132c9e667923ce1cabb3293b1f3be77d70fb1681bf2d3fb173a93f89eecdd94

    SHA512

    a90c7b64fed2a5a53c03846e18ab8d6209ced08c77ec858454f93e65b3284d069f0559987fcf567b1c4fa5b0f8bd1812e4bb4c7c8200a7470c8f85d588e96074

  • C:\Users\Admin\WindowsUpdate\vp8decoder.dll

    Filesize

    409KB

    MD5

    1525887bc6978c0b54fec544877319e6

    SHA1

    7820fcd66e6fbf717d78a2a4df5b0367923dc431

    SHA256

    a47431090c357c00b27a3327d9d591088bc84b60060751ea6454cb3f1ae23e69

    SHA512

    56cb35ef2d5a52ba5cf4769a6bad4a4bae292bceff1b8aff5125046d43aff7683282a14bc8b626d7dccc250e0ed57b1ae54dd105732573089359444f774d6153

  • C:\Users\Admin\WindowsUpdate\vp8encoder.dll

    Filesize

    691KB

    MD5

    c8fd8c4bc131d59606b08920b2fda91c

    SHA1

    df777e7c6c1b3d84a8277e6a669e9a5f7c15896d

    SHA256

    6f5ddf4113e92bf798e9ecf0fc0350ee7cae7c5479ca495e3045bdb313efd240

    SHA512

    2fe25325a94cd0f8af30f96ef03c4e64b1a721f603f792d9da72dcd4a5c92081bb24d90da5394f47e54d9d23e9c7ee845cbf469ea8371c088bda787c54b9369d

  • C:\Users\Admin\WindowsUpdate\winmm.dll

    Filesize

    104KB

    MD5

    289a39547b5ad28d27910eeb442a5200

    SHA1

    075c6ccec7731d5d9d4bb015bc627c0059351654

    SHA256

    359832f19484c0dafa3975b9bd933149bdddd6239df1c2abaf24e90961dc5d5f

    SHA512

    f183d9223b4492828665f99d018981cacef0c7ee73918354e192a1ce2e691ced90de9699bf8b8fd327794a30b07c9c6040a4f548694a6e01857c64736ca89f05

  • \Users\Admin\WindowsUpdate\svnhost.exe

    Filesize

    5.7MB

    MD5

    9fe52c81b7688321ca8c481f3098c74d

    SHA1

    8db972be34a9203cbe8540567430dc5759995ef5

    SHA256

    6132c9e667923ce1cabb3293b1f3be77d70fb1681bf2d3fb173a93f89eecdd94

    SHA512

    a90c7b64fed2a5a53c03846e18ab8d6209ced08c77ec858454f93e65b3284d069f0559987fcf567b1c4fa5b0f8bd1812e4bb4c7c8200a7470c8f85d588e96074

  • \Users\Admin\WindowsUpdate\svnhost.exe

    Filesize

    5.7MB

    MD5

    9fe52c81b7688321ca8c481f3098c74d

    SHA1

    8db972be34a9203cbe8540567430dc5759995ef5

    SHA256

    6132c9e667923ce1cabb3293b1f3be77d70fb1681bf2d3fb173a93f89eecdd94

    SHA512

    a90c7b64fed2a5a53c03846e18ab8d6209ced08c77ec858454f93e65b3284d069f0559987fcf567b1c4fa5b0f8bd1812e4bb4c7c8200a7470c8f85d588e96074

  • \Users\Admin\WindowsUpdate\winmm.dll

    Filesize

    104KB

    MD5

    289a39547b5ad28d27910eeb442a5200

    SHA1

    075c6ccec7731d5d9d4bb015bc627c0059351654

    SHA256

    359832f19484c0dafa3975b9bd933149bdddd6239df1c2abaf24e90961dc5d5f

    SHA512

    f183d9223b4492828665f99d018981cacef0c7ee73918354e192a1ce2e691ced90de9699bf8b8fd327794a30b07c9c6040a4f548694a6e01857c64736ca89f05

  • \Users\Admin\WindowsUpdate\winmm.dll

    Filesize

    104KB

    MD5

    289a39547b5ad28d27910eeb442a5200

    SHA1

    075c6ccec7731d5d9d4bb015bc627c0059351654

    SHA256

    359832f19484c0dafa3975b9bd933149bdddd6239df1c2abaf24e90961dc5d5f

    SHA512

    f183d9223b4492828665f99d018981cacef0c7ee73918354e192a1ce2e691ced90de9699bf8b8fd327794a30b07c9c6040a4f548694a6e01857c64736ca89f05

  • memory/1308-54-0x0000000075E81000-0x0000000075E83000-memory.dmp

    Filesize

    8KB