Analysis

  • max time kernel
    151s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 01:48

General

  • Target

    b88e59a671c867f267518f0deb3ed811db8e0ffb28d686e607f21750c63a5d8d.exe

  • Size

    26KB

  • MD5

    6b83c9f02abe3ce67e3d1b8c5f51d980

  • SHA1

    577ce124a5e939ba7a47aa6b2a11f85550dd42e1

  • SHA256

    b88e59a671c867f267518f0deb3ed811db8e0ffb28d686e607f21750c63a5d8d

  • SHA512

    9057e733e4a9ef5eeccccc95244e25adc0017e870aebe347afde8df58e8c74a5c682ec5a16184f978a612083f4de32c295fc065d23033bf89a686bf3b497122e

  • SSDEEP

    384:Zf5PFbpphlkPJC5eyq9jbECJ23nzWadIiuj2hd0hAIGTLqNznL78drggtxXJC:ZfDXhdWbEkbi6hAdLgPAtxXA

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

:D

C2

governmentservice.servebeer.com:20968

Attributes
reg_key
dd8213f1bf066875b4691b73b62514e4
splitter
|'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Adds Run key to start application ⋅ 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Drops file in Program Files directory ⋅ 2 IoCs
  • Enumerates system info in registry ⋅ 2 TTPs 3 IoCs
  • Modifies registry class ⋅ 1 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary ⋅ 7 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 1 IoCs
  • Suspicious use of FindShellTrayWindow ⋅ 2 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b88e59a671c867f267518f0deb3ed811db8e0ffb28d686e607f21750c63a5d8d.exe
    "C:\Users\Admin\AppData\Local\Temp\b88e59a671c867f267518f0deb3ed811db8e0ffb28d686e607f21750c63a5d8d.exe"
    Suspicious use of SetThreadContext
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:392
    • C:\Windows\SysWOW64\svchost.exe
      "\Windows\System32\svchost.exe"
      Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=svchost.exe&platform=0009&osver=7&isServer=0&shimver=4.0.30319.0
        Adds Run key to start application
        Enumerates system info in registry
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff826c146f8,0x7ff826c14708,0x7ff826c14718
          PID:3024
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
          PID:5076
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2092 /prefetch:3
          Suspicious behavior: EnumeratesProcesses
          PID:3424
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
          PID:3968
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
          PID:3612
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3284 /prefetch:1
          PID:2256
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3932 /prefetch:1
          PID:4564
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4992 /prefetch:8
          PID:964
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4940 /prefetch:1
          PID:4304
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5732 /prefetch:1
          PID:1852
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3680 /prefetch:8
          PID:1664
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3764 /prefetch:1
          PID:4708
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3656 /prefetch:1
          PID:3088
        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6596 /prefetch:8
          PID:2088
        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
          Drops file in Program Files directory
          PID:4772
          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff799235460,0x7ff799235470,0x7ff799235480
            PID:1784
        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6596 /prefetch:8
          Suspicious behavior: EnumeratesProcesses
          PID:3300
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=7048 /prefetch:8
          PID:2044
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,15567798074158222891,13608013028516086991,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=7112 /prefetch:2
          Suspicious behavior: EnumeratesProcesses
          PID:4960
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=svchost.exe&platform=0009&osver=7&isServer=0&shimver=4.0.30319.0
        Suspicious use of WriteProcessMemory
        PID:752
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ff826c146f8,0x7ff826c14708,0x7ff826c14718
          PID:3676
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    PID:5064

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation

                    Replay Monitor

                    00:00 00:00

                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                      MD5

                      71b657795f1d63721f304fcf46915016

                      SHA1

                      d2cabf753a2b8888642a3a26878e7f47784153b2

                      SHA256

                      f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                      SHA512

                      dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                      MD5

                      71b657795f1d63721f304fcf46915016

                      SHA1

                      d2cabf753a2b8888642a3a26878e7f47784153b2

                      SHA256

                      f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                      SHA512

                      dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

                    • \??\pipe\LOCAL\crashpad_3064_BTBVAAQBANSQVVDU
                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                    • memory/392-133-0x0000000074640000-0x0000000074BF1000-memory.dmp
                    • memory/392-132-0x0000000074640000-0x0000000074BF1000-memory.dmp
                    • memory/392-136-0x0000000074640000-0x0000000074BF1000-memory.dmp
                    • memory/752-143-0x0000000000000000-mapping.dmp
                    • memory/964-156-0x0000000000000000-mapping.dmp
                    • memory/1664-162-0x0000000000000000-mapping.dmp
                    • memory/1784-168-0x0000000000000000-mapping.dmp
                    • memory/1852-160-0x0000000000000000-mapping.dmp
                    • memory/2044-171-0x0000000000000000-mapping.dmp
                    • memory/2256-152-0x0000000000000000-mapping.dmp
                    • memory/3024-138-0x0000000000000000-mapping.dmp
                    • memory/3064-137-0x0000000000000000-mapping.dmp
                    • memory/3088-166-0x0000000000000000-mapping.dmp
                    • memory/3300-169-0x0000000000000000-mapping.dmp
                    • memory/3424-141-0x0000000000000000-mapping.dmp
                    • memory/3612-150-0x0000000000000000-mapping.dmp
                    • memory/3676-144-0x0000000000000000-mapping.dmp
                    • memory/3968-147-0x0000000000000000-mapping.dmp
                    • memory/4304-158-0x0000000000000000-mapping.dmp
                    • memory/4564-154-0x0000000000000000-mapping.dmp
                    • memory/4708-164-0x0000000000000000-mapping.dmp
                    • memory/4772-167-0x0000000000000000-mapping.dmp
                    • memory/4852-134-0x0000000000000000-mapping.dmp
                    • memory/4852-135-0x0000000000400000-0x000000000040C000-memory.dmp
                    • memory/4960-172-0x0000000000000000-mapping.dmp
                    • memory/5076-140-0x0000000000000000-mapping.dmp