Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 09:52

General

  • Target

    fc7cb881cce701a7aa0e66db5343a08b_JaffaCakes118.exe

  • Size

    719KB

  • MD5

    fc7cb881cce701a7aa0e66db5343a08b

  • SHA1

    8aabd3472aadda2df50f491d8868924fbd02400b

  • SHA256

    41d83459aad53dd5da4346d33bd8df6648f7da7a12a0ebc5f0e8aeb1bb4ebed9

  • SHA512

    1d2ae10224e40d3fe1c5d5848afa91898b23b1dd8df104c689d911a10a899674d6cc7620c76c35113cf7de0db5fed31fe64934b74607289d6e6ec3f2f389e749

  • SSDEEP

    12288:5ZwHOyR7qnrIP1coEheYLpv2vlUUSNIRLNvWuWPm6NT4ITMRRLjDlCjI:LT6KJgN+GNwmVRRDkM

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

rattenjunge.zapto.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • gencode

    4cjU6YoJ5VXp

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc7cb881cce701a7aa0e66db5343a08b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc7cb881cce701a7aa0e66db5343a08b_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3112
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff96b4d46f8,0x7ff96b4d4708,0x7ff96b4d4718
        3⤵
          PID:1512
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2004 /prefetch:2
          3⤵
            PID:4888
          • 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=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2340 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1824
          • 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=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /prefetch:8
            3⤵
              PID:1212
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3360 /prefetch:1
              3⤵
                PID:3200
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3404 /prefetch:1
                3⤵
                  PID:652
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4240 /prefetch:1
                  3⤵
                    PID:512
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4876 /prefetch:1
                    3⤵
                      PID:536
                    • 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=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3484 /prefetch:8
                      3⤵
                        PID:3056
                      • 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=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3484 /prefetch:8
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3708
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3496 /prefetch:1
                        3⤵
                          PID:4344
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3652 /prefetch:1
                          3⤵
                            PID:4760
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5628 /prefetch:1
                            3⤵
                              PID:2804
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2000,12114815435419548156,16598825475965329098,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --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=5176 /prefetch:2
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1924
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4644
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4028

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              152B

                              MD5

                              e36b219dcae7d32ec82cec3245512f80

                              SHA1

                              6b2bd46e4f6628d66f7ec4b5c399b8c9115a9466

                              SHA256

                              16bc6f47bbfbd4e54c3163dafe784486b72d0b78e6ea3593122edb338448a27b

                              SHA512

                              fc539c461d87141a180cf71bb6a636c75517e5e7226e76b71fd64e834dcacc88fcaaa92a9a00999bc0afc4fb93b7304b068000f14653c05ff03dd7baef3f225c

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

                              Filesize

                              152B

                              MD5

                              559ff144c30d6a7102ec298fb7c261c4

                              SHA1

                              badecb08f9a6c849ce5b30c348156b45ac9120b9

                              SHA256

                              5444032cb994b90287c0262f2fba16f38e339073fd89aa3ab2592dfebc3e6f10

                              SHA512

                              3a45661fc29e312aa643a12447bffdab83128fe5124077a870090081af6aaa4cf0bd021889ab1df5cd40f44adb055b1394b31313515c2929f714824c89fd0f04

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                              Filesize

                              6KB

                              MD5

                              42820dccccdf266d587a73688b8b968a

                              SHA1

                              073e93edd4fc54ef6c68f4d73c831c0d0704ca55

                              SHA256

                              fccd11bd956a9056c2f76249d7caa98a3d3d4ec70983458379ded0e11b89bc9e

                              SHA512

                              71a434efcfb68eebc6384760250db1cc2c00b5180d176037571e51fe3d7a5678652a5fa84994ed6e660cd8619fcc67900098d64f5a6b964e670021a6bdc3a47a

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                              Filesize

                              6KB

                              MD5

                              6d7befa7b00db288a02351b80d650439

                              SHA1

                              e9350e181a6c2b400872e844c3d3b34a3fa2ccc2

                              SHA256

                              f4423061f1251bcea63cf8b80bd8927ea6b22e2bc33a4347e6e06d37ae1be953

                              SHA512

                              fbb1a4966c872cef5ecc8d03ef03ee8685a56b14b9055454112ceb66946b807b4421b6a6b1503f742d01762d51a17505bd261a1289242316ef109b0e30bad89b

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                              Filesize

                              16B

                              MD5

                              6752a1d65b201c13b62ea44016eb221f

                              SHA1

                              58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                              SHA256

                              0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                              SHA512

                              9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                              Filesize

                              11KB

                              MD5

                              62b6a3d65ece69ea357f88168cfd04f7

                              SHA1

                              1189f8412cd1a98b2d191745c2fac9bb6cf967ff

                              SHA256

                              4dcdb742cd4fcc12da4060f6384cded605bc09654edb2823bacb972a63b239bf

                              SHA512

                              27989622c43648b175d35cdaca08a07ab4516481c4c8edf67cc33150cb360a9787b4a2f0a0680e0a124078160e73e195829b6c8494fb712531045c72535899e7

                            • \??\pipe\LOCAL\crashpad_3112_VYOTSFFOALGKXDAT

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/3112-0-0x0000000000400000-0x00000000004B5000-memory.dmp

                              Filesize

                              724KB