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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

  • MD5

    4834daaa2464378474669c26607f8c55

  • SHA1

    0798e7d96aaaa629c232ad4398a307e25013d585

  • SHA256

    559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707

  • SHA512

    20757819ff1eb2b63155bfbbc983e1e95e4bb0eff6aad703db6cb557f89c6ad26b48ae090367539219dab58b2bf8df2574c7dbde206b60e63c58e5b16d62386d

  • SSDEEP

    384:tY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3tVmRvR6JZlbw8hqIusZzZo69:CL2s+tRdRpcnudG

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

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\731edbb1-8a43-400d-b0fd-20cfc877ff9d.tmp

                          Filesize

                          257KB

                          MD5

                          7bf7831d81f9510e265eb4b112d5c51d

                          SHA1

                          248b8060accf119444143b458389fb8c3c54ea21

                          SHA256

                          7c11738e2a9af47ccf92398dcce55e437f7734ac102bd33efeeef587f3f8530a

                          SHA512

                          0ef999473e30f78682fcee80811063795f37676841a9ff192a8edbbb3c5ea832a379bb9906d114c89e28caadc08baf0387601e7fa5412e5a7a87d83f6f74ba62

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                          Filesize

                          195KB

                          MD5

                          873734b55d4c7d35a177c8318b0caec7

                          SHA1

                          469b913b09ea5b55e60098c95120cc9b935ddb28

                          SHA256

                          4ee3aa3dc43cb3ef3f6bfb91ed8214659e9c2600a45bee9728ebbcb6f33b088d

                          SHA512

                          24f05ed981e994475879ca2221b6948418c4412063b9c07f46b8de581047ddd5d73401562fa9ee54d4ce5f97a6288c54eac5de0ca29b1bb5797bdac5a1b30308

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                          Filesize

                          168B

                          MD5

                          eb196ac2a45fd635d5dd198fbe71d14b

                          SHA1

                          6788ae3e110b945288b3468d5fa64b44d03a4214

                          SHA256

                          572d7b3092685b64c74cb9d2f37c3b3f08a4f119253261309c5492177e1bee3b

                          SHA512

                          abe1e34d3238cf1b452f8bc0de70b82a521e4b9feb96751a3fd10c4c1e38a4706aa7c64374b3c525c5db7737cc84ca2a01f0365e8f847d5ea0a5649b858b6f07

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                          Filesize

                          16B

                          MD5

                          aefd77f47fb84fae5ea194496b44c67a

                          SHA1

                          dcfbb6a5b8d05662c4858664f81693bb7f803b82

                          SHA256

                          4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                          SHA512

                          b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                        • 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\Network\TransportSecurity

                          Filesize

                          363B

                          MD5

                          258e2202421aa93c47c067d7306c14ca

                          SHA1

                          3e28c3d947289f77873795fb21ed2cf29a00c509

                          SHA256

                          d398fb1cc2ed60613f86f6b1354138a3a441dfbe55f6cacab399b47324e34f6e

                          SHA512

                          a8703d8d01867998f11bb03620e0a55496a8ff030cdc147ea1e4afa62ac8ce5216af13d3fc480eab4ed2ec41729a2a938cb25ec2ac7d1b12975e0838a7331a25

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

                          Filesize

                          5KB

                          MD5

                          f1b539bab4ff7e36b1c1a5071c8e4645

                          SHA1

                          57e452c60c18b6b5a2140fc2a45b5c454e8d706b

                          SHA256

                          7337cb390a9f733193fd67a40b2f3cad9ab3336ecfcbd7489ded607cdf981612

                          SHA512

                          d6c437c079b612b2692b3adb284b5eff1d516e56015e9350f278f4cd4af1e5895a19c4e6f60247533d70bc0c095b263049c21f87c5e460f4f3656625cee6fa24

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

                          Filesize

                          5KB

                          MD5

                          d61451a07dd98c9e368f64a08aef08cd

                          SHA1

                          7c8aeeeb75326764612ea9e52db0d545c4c27989

                          SHA256

                          e7bc2b1a16952331fa82dda9f0199144d14c91bdfca78cd8b320c23bc1038d59

                          SHA512

                          a24ffad7e65614245088b57f163c9bfa6c240903551168f22eff6819827c023e7cf64868f81d2b808769163af731a9f6c1cde47ae67392b0e55bd40ef736d3d6

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

                          Filesize

                          5KB

                          MD5

                          b913a08d7d80c9a300adbe60ffbf77bc

                          SHA1

                          d1043c8ecbd96a65b3b3f69fbc7a344f43a97db4

                          SHA256

                          40c210dba482bfb7611e59d84d0a38ec73389f6f6735198a472eaa37fc003bae

                          SHA512

                          f71d84dd4c356b119dcafe609cabff2404aec0da6d71b0f1e1a089f5eeeb470f3557f259159739119aca746de1559625da7d87a1bbfc897676be7135bdbccc9b

                        • 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

                          257KB

                          MD5

                          4f0f60647eb9a21092ebaf5508dd888f

                          SHA1

                          4d1470fc01958209bdec5741dd8aa9f0fd3ba7df

                          SHA256

                          a478eb7c5611381525f63dbb6a5dbcd28a5b0bb5433204ec826a28d7a5c15f6e

                          SHA512

                          2f2e8e9c6d3939306326decce0feefd35829ea4c65890fae1217781f1f5cb1e4bdeb6b3878ba0a873a60782c30c8f1492f048d7686b6868b2858ede865f1485e

                        • \Users\Admin\AppData\Local\Temp\server33.exe

                          Filesize

                          23KB

                          MD5

                          4834daaa2464378474669c26607f8c55

                          SHA1

                          0798e7d96aaaa629c232ad4398a307e25013d585

                          SHA256

                          559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707

                          SHA512

                          20757819ff1eb2b63155bfbbc983e1e95e4bb0eff6aad703db6cb557f89c6ad26b48ae090367539219dab58b2bf8df2574c7dbde206b60e63c58e5b16d62386d

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

                          Filesize

                          5.7MB

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

                          Filesize

                          5.7MB

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

                          Filesize

                          256KB

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

                          Filesize

                          5.7MB

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

                          Filesize

                          5.9MB

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

                          Filesize

                          5.9MB

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

                          Filesize

                          256KB

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

                          Filesize

                          5.7MB

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

                          Filesize

                          5.7MB

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

                          Filesize

                          5.7MB

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

                          Filesize

                          5.7MB