Analysis

  • max time kernel
    44s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 10:38

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    d43643e01d59c289b551c240242ea5cd

  • SHA1

    aa17e80aac2ca4e14297b0a7cf29c85b116882c6

  • SHA256

    e160f4bae8005bb78e9719ab69ce72ba4a9a8d0117498c6e0bafde9963eef460

  • SHA512

    4143358f507836da62db5f91fccf50d531b79bc5893d7f09d1929f597924a7e2f6b157ea0cec129c9d7c87853e19596714e918204e5ce074a0aa5dec523cbfdd

  • SSDEEP

    768:sY35xByZnDQMMpAZrGSt6udttXymsahkGJiXxrjEtCdnl2pi1Rz4Rk3YRsGdpUgM:NxUZD3rGWNd7DhkhjEwzGi1dD8DUgS

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

japanese-cross.gl.at.ply.gg:16828

Mutex

ac168fa7329a1bbe164c59a113cb4d71

Attributes
  • reg_key

    ac168fa7329a1bbe164c59a113cb4d71

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2840
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2616
  • 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:1276
    • 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,0x7fef7299758,0x7fef7299768,0x7fef7299778
      2⤵
        PID:2680
      • 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=1172 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:2
        2⤵
          PID:2912
        • 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=1408 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:8
          2⤵
            PID:2252
          • 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=1528 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:8
            2⤵
              PID:2880
            • 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=2360 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:1
              2⤵
                PID:2900
              • 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=2384 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:1
                2⤵
                  PID:556
                • 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=2040 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:2
                  2⤵
                    PID:1792
                  • 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=3236 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:1
                    2⤵
                      PID:624
                    • 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=3668 --field-trial-handle=1384,i,13083411517502315454,3773006339059467936,131072 /prefetch:8
                      2⤵
                        PID:1144
                    • 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:1800
                      • C:\Windows\system32\AUDIODG.EXE
                        C:\Windows\system32\AUDIODG.EXE 0x4e0
                        1⤵
                          PID:2804

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\324fc494-328c-4bb7-94c1-320ddd233539.tmp

                          Filesize

                          343KB

                          MD5

                          f595127252e883a27d9e24550b0986d8

                          SHA1

                          9b36de658b27b284b357483678e5d7835646376a

                          SHA256

                          5743b7f9dc4b9e18270485461077b0e088db62961e3a1ec0f892b5daf5a1922e

                          SHA512

                          734028b1b814146a7b27436c8f7cb44a70f2e1ed6dfad1931ca500c9a417939a936b2a39f7b74bca016eada16ff6ed677a7690970c6ce22414be583d1fa752cf

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          d813474ee1db1d65b107517d193792b0

                          SHA1

                          fa24d976ac98d8be2559a337500a23a922829fc8

                          SHA256

                          281fa4895c8b897723e6ddb4d5e66ff499a26dd9cf33630376b5c4c3c88c33d4

                          SHA512

                          33a84dea924ebc24d446152cb380602a9d61424ee454efd86906b88b7706657027841554cc1a38950eb80f40014f379e662d03005ccb6e6ad96681319eb8c923

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          597080a2f99c857d514134ee4dfd2b2e

                          SHA1

                          959acc089b78d8f4c18667a300f2b8125bb65b70

                          SHA256

                          cdeb88fce1aeed5f104d5e0445c1b66804f1f5d480e76b8dfbd8f9080b4ea011

                          SHA512

                          091f7d952056732dacd4e272639d3943437ac53d6ffb2ff09a5205d9a354c5e1036dcdc7909eae75f5ed25dee020c08fe4b3ffb281bc2e7ceb9e2ca1feaaf0b1

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          48520fa421877617bb0701ecfd662dd3

                          SHA1

                          0cab18cb96fb443519f731b8e338b7e566b9fccc

                          SHA256

                          d54a2f49467697ddd1c53af5ab91441f30e972352ef415e8e25ad84cd9f792d9

                          SHA512

                          f2a86105937d29134ef05d53d951ec2fec12649c985c67b240f5e3d338a8aac1419015bde6cf52bf167294b74c1a7bb669a2aadc30f91034544a65f19551dcd3

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                          Filesize

                          16B

                          MD5

                          18e723571b00fb1694a3bad6c78e4054

                          SHA1

                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                          SHA256

                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                          SHA512

                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                          Filesize

                          343KB

                          MD5

                          24e63d197136725dfb293680f3cb17cd

                          SHA1

                          260cf66bc61ac70c186bd69762fc8b9719d39d24

                          SHA256

                          a118965cfd3dd6669968bcb586a7f6722bf04789cd4b698805c710432312ad65

                          SHA512

                          6b02bca023cbc1e711346ec684b86e09a79b843ea745850b6abdfdc050df27a58b1b2ebc816fa5ec1b844123e9aa64776df207287ac09bb25cb757ab6d8405c7

                        • C:\Users\Admin\AppData\Roaming\app

                          Filesize

                          5B

                          MD5

                          a65a8cc18c0fdcac3b78ed8f032e2f98

                          SHA1

                          9087f7aaf4edf3b132348b1e5dfa7a678d57d40e

                          SHA256

                          ca1c5c735384c64968c987e3e608cb48a3cbd73e870f1bc6d60f2b24f9445e3a

                          SHA512

                          8e56c9aa0c90fb30b488fa72a0b9d40e69c357e32d8e6f9d5a299dfbf9df8c896c28684d7163972019ab53dfcfe35dc75e9b305e07c81b9984a410e04b96186d

                        • \Users\Admin\AppData\Roaming\server.exe

                          Filesize

                          93KB

                          MD5

                          d43643e01d59c289b551c240242ea5cd

                          SHA1

                          aa17e80aac2ca4e14297b0a7cf29c85b116882c6

                          SHA256

                          e160f4bae8005bb78e9719ab69ce72ba4a9a8d0117498c6e0bafde9963eef460

                          SHA512

                          4143358f507836da62db5f91fccf50d531b79bc5893d7f09d1929f597924a7e2f6b157ea0cec129c9d7c87853e19596714e918204e5ce074a0aa5dec523cbfdd

                        • memory/2408-0-0x0000000074D61000-0x0000000074D62000-memory.dmp

                          Filesize

                          4KB

                        • memory/2408-14-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB

                        • memory/2408-2-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB

                        • memory/2408-1-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB

                        • memory/2840-23-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB

                        • memory/2840-16-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB

                        • memory/2840-17-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB

                        • memory/2840-15-0x0000000074D60000-0x000000007530B000-memory.dmp

                          Filesize

                          5.7MB