Overview
overview
8Static
static
5Attachment...2).pdf
windows10-2004-x64
3Attachment...2).pdf
windows11-ltsc_2024-x64
8Chat Sessi...).html
windows10-2004-x64
3Chat Sessi...).html
windows11-ltsc_2024-x64
3Defamation...1).pdf
windows10-2004-x64
3Defamation...1).pdf
windows11-ltsc_2024-x64
8Formal Dis...1).pdf
windows10-2004-x64
3Formal Dis...1).pdf
windows11-ltsc_2024-x64
3Jason_s Ac...1).pdf
windows10-2004-x64
3Jason_s Ac...1).pdf
windows11-ltsc_2024-x64
8Letter of ...2).pdf
windows10-2004-x64
3Letter of ...2).pdf
windows11-ltsc_2024-x64
3Sandbox- L...2).pdf
windows10-2004-x64
3Sandbox- L...2).pdf
windows11-ltsc_2024-x64
8Analysis
- max time kernel
898s - max time network
424s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/08/2026, 11:22
Behavioral task
behavioral1
Sample
Attachment 6- Letter of Dismissal-d56fb9f577b4c4aa (2).pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Attachment 6- Letter of Dismissal-d56fb9f577b4c4aa (2).pdf
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
Chat Session - a442b6b9-edff-44d1-a5b8-c9f629c (1) (1).html
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Chat Session - a442b6b9-edff-44d1-a5b8-c9f629c (1) (1).html
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
Defamation and Privacy in Employm-22a6279f9385c4ef (1) (1).pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Defamation and Privacy in Employm-22a6279f9385c4ef (1) (1).pdf
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
Formal Disciplinary Hearing-59772d23ba1c0518 (1) (1).pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Formal Disciplinary Hearing-59772d23ba1c0518 (1) (1).pdf
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Jason_s Accusations_ Negligence a-88710b2c965b4a0c (1) (1).pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Jason_s Accusations_ Negligence a-88710b2c965b4a0c (1) (1).pdf
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
Letter of Dismissal without Notic-fdb8f8743badb107 (2).pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Letter of Dismissal without Notic-fdb8f8743badb107 (2).pdf
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
Sandbox- Letter in Response[.]pdf-6ee1f1cfbe95f98d (2).pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Sandbox- Letter in Response[.]pdf-6ee1f1cfbe95f98d (2).pdf
Resource
win11ltsc2024-20260709-en
General
- Target Attachment 6- Letter of Dismissal-d56fb9f577b4c4aa (2).pdf
- Size 1.2MB
- Sample260803-ngjdesgf57
- SHA256 2f04e88cbf393514b252bcae46caf46043ac72ae23672b020d0db12f1ddbc91d
- MD5 a9eafa6256433213ce3f61ec78813c23
- SHA1 ca10c22245cbaf7a2aa114c21e38c94f059f09a4
- SHA512 c995fcaf97712a42cacdaaa0b5b65aaaae8adc507d55e8a99c5764606d02ba8991b1d992f64108cf172319a67c219d0f5a7be5d2b7002171dc84e7f4822313ed
- SSDEEP 24576:A8hDFU7whN6wH3iUHZq4s00Lh6hyqz2yk/fMvKYuCFTRprsEuWWpiIP0:AUO7wawXx5r6wzsYuCvprjutpiO0
- TLSH T182552342E224D51ECF8A0455FDD61A8D3784A9343DFF3A4E034BB9EC355D8092AE8BD9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1332 AcroRd32.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe 1332 AcroRd32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1332 wrote to memory of 2400 1332 AcroRd32.exe 85 PID 2400 wrote to memory of 3572 2400 RdrCEF.exe 86 PID 2400 wrote to memory of 2328 2400 RdrCEF.exe 87 PID 2400 wrote to memory of 2328 2400 RdrCEF.exe 87 PID 2400 wrote to memory of 2388 2400 RdrCEF.exe 88 PID 2400 wrote to memory of 3384 2400 RdrCEF.exe 89 PID 2400 wrote to memory of 3384 2400 RdrCEF.exe 89 PID 2400 wrote to memory of 1876 2400 RdrCEF.exe 90 PID 2400 wrote to memory of 3444 2400 RdrCEF.exe 91
Processes
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Attachment 6- Letter of Dismissal-d56fb9f577b4c4aa (2).pdf"1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=4D91EC6AFD1D9B3EDE3018383CC3E012 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3572
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=6D42412754E37EE56E9B52FC52FFC138 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=6D42412754E37EE56E9B52FC52FFC138 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2328
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B5BB8A10F91F23445F3F45A7ECF2DFD9 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2388
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=458032548AD2798E062C2BCE81ABF685 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=458032548AD2798E062C2BCE81ABF685 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3384
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3FD16CFF37EB1161C9A78EBB3100761D --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1876
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=FB8ED0221E96B9706FA7DDFCAEDF2A13 --mojo-platform-channel-handle=2844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3444
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
- Size 36KB
- SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
- MD5 b30d3becc8731792523d599d949e63f5
- SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
- SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
- SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
- TLSH T178F21D566E241E3CCA9EC336340836C34D78023DACF3B762A58A719747AD181E37D6E9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
- Size 56KB
- SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
- MD5 752a1f26b18748311b691c7d8fc20633
- SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
- SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
- SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
- TLSH T1C94379DF2A348110CA0768BABD71771BB655D0BFC1C2F0A87AD68A1780B463CE775687
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
- Size 64KB
- SHA256 e4c4c9d4fd971a50fdb29c0294ecd2cff07973f88f6b8722f84d82de943103f4
- MD5 305592e0d2e513602be9aa612b1ff94b
- SHA1 0186d8a4c7b235effac2210452253081c010e454
- SHA512 4953e041b64f58c37762c6c4db47059bf67500f276620217dbba5dc633c6233dbd45d52a5d2e9a2a05fe6e1b09aa5e824b11ce3913d4c69fb3b9adbd1f5bcf98
- SSDEEP 384:yetdThatELJ8SWvDTuGmQgZsLglKhubvGZsLRZh+vS4:s+eUZsLQCZsL3hUS4
- TLSH T12453CBDB26348040CA07A8BBADB5731BB662D0BFC1C6F1E87E858A1780F453D9775687
- MD5 SHA1 SHA512 SSDEEP TLSH