Resubmissions

23-05-2024 16:39

240523-t58k4shc8s 10

23-05-2024 16:34

240523-t3k22ahd44 10

Analysis

  • max time kernel
    69s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 16:39

General

  • Target

    6b91dc8b77d784e9f1904f25f3f66faf_JaffaCakes118.exe

  • Size

    213KB

  • MD5

    6b91dc8b77d784e9f1904f25f3f66faf

  • SHA1

    110893b2ef0523f24c791f3697d9e4bc5b9eda5f

  • SHA256

    65a93c84ced49ca27aa9054207fa34b8f572163fe35c3804ed7057e828a080a7

  • SHA512

    e5c73b5c276d570b6e282965d63bbfcc5b5becb70cdb6e5671e3bb9d822d0d8e694da5e7849ec8e16e84021c86019dc4e7e745e1fd7b8eb7683426ba99a3c522

  • SSDEEP

    3072:nDn5ViIulvUefkqTNfO5sn02MIzSS38eYYD5/tg4:twIUPfkqBfOh2MIzyDYD5

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

BlessedGroup

C2

212.83.167.116:1604

Mutex

83fed1c87ede166436b0f205e59a52cf

Attributes
  • reg_key

    83fed1c87ede166436b0f205e59a52cf

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Disables RegEdit via registry modification 2 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 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 43 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\6b91dc8b77d784e9f1904f25f3f66faf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6b91dc8b77d784e9f1904f25f3f66faf_JaffaCakes118.exe"
    1⤵
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\6b91dc8b77d784e9f1904f25f3f66faf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6b91dc8b77d784e9f1904f25f3f66faf_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Users\Admin\AppData\Roaming\eTopY.exe
        "C:\Users\Admin\AppData\Roaming\eTopY.exe"
        3⤵
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2600
        • C:\Users\Admin\AppData\Local\Temp\tk.exe
          "C:\Users\Admin\AppData\Local\Temp\tk.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2480
          • C:\Users\Admin\AppData\Roaming\eTopY.exe
            "C:\Users\Admin\AppData\Roaming\eTopY.exe"
            5⤵
            • Drops startup file
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1508
            • C:\Windows\SysWOW64\netsh.exe
              netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\eTopY.exe" "eTopY.exe" ENABLE
              6⤵
              • Modifies Windows Firewall
              PID:1620
        • C:\Users\Admin\AppData\Roaming\eTopY.exe
          "C:\Users\Admin\AppData\Roaming\eTopY.exe"
          4⤵
          • Executes dropped EXE
          PID:2472
  • 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:1572
    • 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,0x7fef6909758,0x7fef6909768,0x7fef6909778
      2⤵
        PID:292
      • 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=1176 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:2
        2⤵
          PID:2964
        • 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=1516 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
          2⤵
            PID:2840
          • 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=1600 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
            2⤵
              PID:1936
            • 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=2260 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:1
              2⤵
                PID:1040
              • 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=2272 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:1
                2⤵
                  PID:2100
                • 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=1548 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:2
                  2⤵
                    PID:2408
                  • 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=1172 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:1
                    2⤵
                      PID:2208
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3436 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
                      2⤵
                        PID:1736
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3548 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
                        2⤵
                          PID:1580
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3644 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
                          2⤵
                            PID:2664
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3544 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
                            2⤵
                              PID:2476
                            • 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=3812 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:8
                              2⤵
                                PID:2568
                              • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
                                "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --reenable-autoupdates --system-level
                                2⤵
                                  PID:2520
                                  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
                                    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x154,0x158,0x15c,0x128,0x160,0x13fb67688,0x13fb67698,0x13fb676a8
                                    3⤵
                                      PID:2816
                                  • 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=14 --mojo-platform-channel-handle=3612 --field-trial-handle=1244,i,4909023493732650054,1139695279859134610,131072 /prefetch:1
                                    2⤵
                                      PID:1468
                                  • 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:2660

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

                                      Filesize

                                      68KB

                                      MD5

                                      29f65ba8e88c063813cc50a4ea544e93

                                      SHA1

                                      05a7040d5c127e68c25d81cc51271ffb8bef3568

                                      SHA256

                                      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

                                      SHA512

                                      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000005

                                      Filesize

                                      206KB

                                      MD5

                                      f998b8f6765b4c57936ada0bb2eb4a5a

                                      SHA1

                                      13fb29dc0968838653b8414a125c124023c001df

                                      SHA256

                                      374db366966d7b48782f352c78a0b3670ffec33ed046d931415034d6f93dcfef

                                      SHA512

                                      d340ae61467332f99e4606ef022ff71c9495b9d138a40cc7c58b3206be0d080b25f4e877a811a55f4320db9a7f52e39f88f1aa426ba79fc5e78fc73dacf8c716

                                    • 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\Preferences

                                      Filesize

                                      5KB

                                      MD5

                                      c270678bae4fd57f1d170216fa366e5c

                                      SHA1

                                      3cb600e3311bb72ee5f6db023888186f35414600

                                      SHA256

                                      c8a64f4416c7db158f3dedbfc694f8f198c0d5407c07c3c4cd468a5a8df29373

                                      SHA512

                                      7d9566ef233dde9fd1a300c4a0a52c72892b9099d23497869348f383b304b3689055b212c44e9e06b3f30bd8b8efef69aafba3c0613b2b3922ab0d5a9791e7a4

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

                                      Filesize

                                      5KB

                                      MD5

                                      7b080a6252d7ccf4983ad5a2fe948296

                                      SHA1

                                      15fa7baad34dd877144fcf6f84552fe508d6821e

                                      SHA256

                                      0fe2e30087a37ac8ab556d03606e892de0deecc29d487857b814faf2ef474a84

                                      SHA512

                                      732555f0a9bf5c71076d12a50b71ce97e3536a50a962df47fb60c2d3bb963373da63638ad053cb59f028a65032f48d8dcde40f9b9e1881bf05856ed222d9f1cf

                                    • 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\Temp\tk.exe

                                      Filesize

                                      23KB

                                      MD5

                                      d59fef8c6b7c45b4dbd396b4fe27f9b6

                                      SHA1

                                      fe8ce1b07e0cdc0cf2cc6e053db48855aa88da54

                                      SHA256

                                      1c7cdd42bc908cd34051f2fc4bc2858e14d8f25edc94b6698e0b399cb670efe1

                                      SHA512

                                      9f822bfa93b7b3982686f22016048712f0d42b180417565d222005784d4e8eadccb3b77b4733289dd2c8c20c6552195611d5871b7448658dbb0d4898a865c5ec

                                    • \??\pipe\crashpad_1572_ZRXUWKPVTVXSWNYO

                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • \Users\Admin\AppData\Local\Temp\6b91dc8b77d784e9f1904f25f3f66faf_JaffaCakes118.exe

                                      Filesize

                                      213KB

                                      MD5

                                      6b91dc8b77d784e9f1904f25f3f66faf

                                      SHA1

                                      110893b2ef0523f24c791f3697d9e4bc5b9eda5f

                                      SHA256

                                      65a93c84ced49ca27aa9054207fa34b8f572163fe35c3804ed7057e828a080a7

                                      SHA512

                                      e5c73b5c276d570b6e282965d63bbfcc5b5becb70cdb6e5671e3bb9d822d0d8e694da5e7849ec8e16e84021c86019dc4e7e745e1fd7b8eb7683426ba99a3c522

                                    • memory/1752-0-0x00000000741A1000-0x00000000741A2000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1752-27-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/1752-4-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/1752-3-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/1752-2-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/1752-1-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/2472-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3000-24-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB

                                    • memory/3000-36-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/3000-28-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/3000-26-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/3000-25-0x00000000741A0000-0x000000007474B000-memory.dmp

                                      Filesize

                                      5.7MB

                                    • memory/3000-8-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB

                                    • memory/3000-10-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB

                                    • memory/3000-13-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB

                                    • memory/3000-16-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB

                                    • memory/3000-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3000-22-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB

                                    • memory/3000-6-0x0000000000400000-0x000000000040C000-memory.dmp

                                      Filesize

                                      48KB