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
403s - 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 Formal Disciplinary Hearing-59772d23ba1c0518 (1) (1).pdf
- Size 41KB
- Sample260803-ngjdesgf57
- SHA256 8afd05291314a82534132457cb22fecee40f7ae0706cf5c19e4ce97bc64a515b
- MD5 f401aff85a160f17b03a68186ef41f15
- SHA1 5b5fdf4bb6cc6aacb085784c9ec102f72ed7d467
- SHA512 29f296e54bd8203d061914f24dd68a5ae06a4ca77aa7dd18ef113ce3f88c0142ef1cb6364467f746985e65302caa802da6eb9aaa97fabcada725e8e86c67124e
- SSDEEP 768:aX0O5YLtijt+eoG/P1EZqZdSuSd3HnxcXruAwcJ843sL:q0NAt+eJPsJuSxHxcXrV3sL
- TLSH T1C413C066D9DA1CDCF8D7DB525234786D843E721357C87C82717C0B8AAC14A88AB718EB
- 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 AcroRd32.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 - 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 18 IoCs
pid Process 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4928 AcroRd32.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe 4928 AcroRd32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4700 4928 AcroRd32.exe 88 PID 4700 wrote to memory of 2436 4700 RdrCEF.exe 89 PID 4700 wrote to memory of 2700 4700 RdrCEF.exe 90 PID 4700 wrote to memory of 2700 4700 RdrCEF.exe 90 PID 4700 wrote to memory of 4884 4700 RdrCEF.exe 91 PID 4700 wrote to memory of 2544 4700 RdrCEF.exe 92 PID 4700 wrote to memory of 2544 4700 RdrCEF.exe 92 PID 4700 wrote to memory of 3436 4700 RdrCEF.exe 95 PID 4700 wrote to memory of 2984 4700 RdrCEF.exe 96
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\Formal Disciplinary Hearing-59772d23ba1c0518 (1) (1).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:4928 -
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:4700 -
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=53AD8C40B904BE8ACA47BA3627AE35B7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2436
-
-
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=E47F8F6CED7930F7689B8CD8E75415B0 --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=E47F8F6CED7930F7689B8CD8E75415B0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2700
-
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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=1E2A3C6623E34EE1E78FAF74DF1C1CBC --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4884
-
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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=8EA5D1FBD269797F3FCD078404F77BF9 --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=8EA5D1FBD269797F3FCD078404F77BF9 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2544
-
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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=C5DCEF06920F5758DF7ED322314F9994 --mojo-platform-channel-handle=2896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3436
-
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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=5A701B5D21603388ABA9A555BFFEC890 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2984
-
-
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 c85e42119ddb7c175afa14415c8d17a2d233097d2653002db3d805cb7cfe4a36
- MD5 81789deff7ec26e12be28e64acd51aec
- SHA1 4d0870529646ab369351e10be1706261068657e1
- SHA512 b769a9a991afbb55c3fe0fd8be1f50ebffefa4c128294a7fd6d15bc9c0cf99b719c56d077fa91d64eee93df8d4f065bd61ae74aa99df445e54067ef79f07cc54
- SSDEEP 384:yeMdThatELJ8SWvDTuGmQgZsLglKhubvGZsLRZh+vS4:n+eUZsLQCZsL3hUS4
- TLSH T14A53CADB26348040CA07A8BBADB5731BB662D0BFC1C6F1E87E858A1780F453D9775687
- MD5 SHA1 SHA512 SSDEEP TLSH