Analysis

  • max time kernel
    68s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 20:24

General

  • Target
    559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707.exe
  • Size 23KB
  • Sample240224-y6vsvsdf92
  • SHA256 559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • zayan1

C2
  • 65.0.50.125:22158

Mutex
  • a4cbdc4b353efef9adf0da32b8aa4cb1

Attributes
  • reg_key

    a4cbdc4b353efef9adf0da32b8aa4cb1

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707.exe
    "C:\Users\Admin\AppData\Local\Temp\559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\server33.exe
      "C:\Users\Admin\AppData\Local\Temp\server33.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server33.exe" "server33.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3044
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2496
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6eb9758,0x7fef6eb9768,0x7fef6eb9778
      2⤵
        PID:2492
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1112 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:2
        2⤵
          PID:2884
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1296 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:8
          2⤵
            PID:2920
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1476 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:8
            2⤵
              PID:1736
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2200 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:1
              2⤵
                PID:2236
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2204 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:1
                2⤵
                  PID:1680
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1728 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:2
                  2⤵
                    PID:1628
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1308 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:1
                    2⤵
                      PID:1396
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3652 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:8
                      2⤵
                        PID:1944
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3736 --field-trial-handle=1284,i,18428242240731148502,6743755749192836063,131072 /prefetch:1
                        2⤵
                          PID:1196
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:2304

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              731edbb1-8a43-400d-b0fd-20cfc877ff9d.tmp

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\731edbb1-8a43-400d-b0fd-20cfc877ff9d.tmp
                              • Size 257KB
                              • SHA256 7c11738e2a9af47ccf92398dcce55e437f7734ac102bd33efeeef587f3f8530a
                              • MD5 SHA1 SHA512 SSDEEP

                              f_000001

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001
                              • Size 195KB
                              • SHA256 4ee3aa3dc43cb3ef3f6bfb91ed8214659e9c2600a45bee9728ebbcb6f33b088d
                              • MD5 SHA1 SHA512 SSDEEP

                              the-real-index

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                              • Size 168B
                              • SHA256 572d7b3092685b64c74cb9d2f37c3b3f08a4f119253261309c5492177e1bee3b
                              • MD5 SHA1 SHA512

                              000006.dbtmp

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp
                              • Size 16B
                              • SHA256 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
                              • MD5 SHA1 SHA512

                              data_1

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                              • Size 264KB
                              • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                              • MD5 SHA1 SHA512 SSDEEP

                              TransportSecurity

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                              • Size 363B
                              • SHA256 d398fb1cc2ed60613f86f6b1354138a3a441dfbe55f6cacab399b47324e34f6e
                              • MD5 SHA1 SHA512

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                              • Size 5KB
                              • SHA256 7337cb390a9f733193fd67a40b2f3cad9ab3336ecfcbd7489ded607cdf981612
                              • MD5 SHA1 SHA512 SSDEEP

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                              • Size 5KB
                              • SHA256 e7bc2b1a16952331fa82dda9f0199144d14c91bdfca78cd8b320c23bc1038d59
                              • MD5 SHA1 SHA512 SSDEEP

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                              • Size 5KB
                              • SHA256 40c210dba482bfb7611e59d84d0a38ec73389f6f6735198a472eaa37fc003bae
                              • MD5 SHA1 SHA512 SSDEEP

                              000007.dbtmp

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp
                              • Size 16B
                              • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                              • MD5 SHA1 SHA512

                              Local State

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                              • Size 257KB
                              • SHA256 a478eb7c5611381525f63dbb6a5dbcd28a5b0bb5433204ec826a28d7a5c15f6e
                              • MD5 SHA1 SHA512 SSDEEP

                              server33.exe

                              • Path \Users\Admin\AppData\Local\Temp\server33.exe
                              • Size 23KB
                              • SHA256 559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/2112-11-0x0000000074980000-0x0000000074F2B000-memory.dmp

                              memory/2112-0-0x0000000074980000-0x0000000074F2B000-memory.dmp

                              memory/2112-1-0x0000000000130000-0x0000000000170000-memory.dmp

                              memory/2112-2-0x0000000074980000-0x0000000074F2B000-memory.dmp

                              memory/2496-15-0x0000000140000000-0x00000001405E8000-memory.dmp

                              memory/2496-14-0x0000000140000000-0x00000001405E8000-memory.dmp

                              memory/2644-12-0x0000000000100000-0x0000000000140000-memory.dmp

                              memory/2644-10-0x0000000074980000-0x0000000074F2B000-memory.dmp

                              memory/2644-13-0x0000000074980000-0x0000000074F2B000-memory.dmp

                              memory/2644-65-0x0000000074980000-0x0000000074F2B000-memory.dmp

                              memory/2644-16-0x0000000074980000-0x0000000074F2B000-memory.dmp