Overview
overview
4Static
static
4BANK- GURENTEEN.pdf
windows10-2004-x64
3BANK- GURENTEEN.pdf
windows11-21h2-x64
3CVIL - ID.pdf
windows10-2004-x64
3CVIL - ID.pdf
windows11-21h2-x64
3DOC 2.pdf
windows10-2004-x64
3DOC 2.pdf
windows11-21h2-x64
3DOC-1.pdf
windows10-2004-x64
3DOC-1.pdf
windows11-21h2-x64
3IA- LETTER.pdf
windows10-2004-x64
3IA- LETTER.pdf
windows11-21h2-x64
3IATIA CERTICATE.pdf
windows10-2004-x64
3IATIA CERTICATE.pdf
windows11-21h2-x64
3sq-letter.docx
windows10-2004-x64
1sq-letter.docx
windows11-21h2-x64
1Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/06/2026, 03:08
Behavioral task
behavioral1
Sample
BANK- GURENTEEN.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
BANK- GURENTEEN.pdf
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
CVIL - ID.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
CVIL - ID.pdf
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
DOC 2.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
DOC 2.pdf
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
DOC-1.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
DOC-1.pdf
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
IA- LETTER.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
IA- LETTER.pdf
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
IATIA CERTICATE.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
IATIA CERTICATE.pdf
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
sq-letter.docx
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
sq-letter.docx
Resource
win11-20260513-en
General
- Target BANK- GURENTEEN.pdf
- Size 1.1MB
- Sample260602-dmv93ady6p
- SHA256 e2aa4c56f99c15b915f5804a8b9ff95bd54819f747c36b155f7d6a2d12a03343
- MD5 80fae7955cfe3c176d5ca07fa0a074b7
- SHA1 99332c5f34295ec3973d06555a5cfbe0fb5a765a
- SHA512 ebb57e91816697cfb46a096b5e75a280bff22dbfd0e520c32bd130ef0fd373e386075082b3b796a4eb913a141edbe54324f456071618f3f54f69397c1933cdbf
- SSDEEP 24576:pAJDTrc3HABgjjAU+AdFZFQSrT92/Iy1T:pwygBKAUrxNn92/f1T
- TLSH T17F359F878D19878BE42583E87E071E9D6F4A7B0CE99236FF05624ECB3D606611CDD06E
- 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-1-5-21-1679180529-4058988202-686829476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5304 AcroRd32.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe 5304 AcroRd32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5304 wrote to memory of 5444 5304 AcroRd32.exe 83 PID 5444 wrote to memory of 5852 5444 RdrCEF.exe 84 PID 5444 wrote to memory of 6040 5444 RdrCEF.exe 85 PID 5444 wrote to memory of 6040 5444 RdrCEF.exe 85 PID 5444 wrote to memory of 5708 5444 RdrCEF.exe 87 PID 5444 wrote to memory of 432 5444 RdrCEF.exe 88 PID 5444 wrote to memory of 4256 5444 RdrCEF.exe 89 PID 5444 wrote to memory of 4256 5444 RdrCEF.exe 89 PID 5444 wrote to memory of 5672 5444 RdrCEF.exe 90
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\BANK- GURENTEEN.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:5304 -
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:5444 -
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=C2F10ABEA55FB2C4EBCBB571F88F4B07 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5852
-
-
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=CA104F196EA18FA16EC7F571EB2F9727 --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=CA104F196EA18FA16EC7F571EB2F9727 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:6040
-
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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=C23EB386CB84D17679E59DB2B46C8EDF --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5708
-
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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=AEA455AE93E16528CD1CC31FC1506E3F --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:432
-
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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=913BF7DA7B97D2547A82A8D4776F0E80 --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=913BF7DA7B97D2547A82A8D4776F0E80 --renderer-client-id=6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4256
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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=E466D43A9AF45CF3C3BCA79EA54781D3 --mojo-platform-channel-handle=2744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5672
-
-
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2172
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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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 cd7a83c399f65d33154df641553335558e194ece94953c6ee5e3d828e98ac6b7
- MD5 1d2c6bc133e7d25dd1ec0f70a99fc4bf
- SHA1 3a3c06a9a14f1a001a5d3c7656163a463a50b3cb
- SHA512 2edc24e42025bf89e0418adae7e7237e5ac1b6309c5727322a66f835a8037fa8d049db217a1e4625c55215207138fc15d53f4d8b736fd27ec243754190a3ce2c
- SSDEEP 384:yeSdThatELJ8SWvDTuGmQgZsLglKhubvGZsLRZh+vS4:x+eUZsLQCZsL3hUS4
- TLSH T1C253CBDB26348040CA07A8BBADB5731BB662D0BFC1C6F1E87E858A1780F453D9775687
- MD5 SHA1 SHA512 SSDEEP TLSH