30527c58c04266fc37e2ccc2fc5a89b1feb0bf0b61c987a737064ffe74a423f8

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 14:15

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General

Target

a20e12cf6491526dd23eed6a944e5465.pdf
Size

76KB
MD5

a20e12cf6491526dd23eed6a944e5465
SHA1

483f3e1ae31251eb8c6ba0bae6f3f08543609a35
SHA256

30527c58c04266fc37e2ccc2fc5a89b1feb0bf0b61c987a737064ffe74a423f8
SHA512

83a5ee144840bcf949f45251c13815a4fa02a8744ad031c77dfdcda26e90f51b7eace0da6e64d3eebdf11e662a73eadc56180fcb5c30521e8539b9d2b71a1865
SSDEEP

1536:NNSWlS+2MisXsl1TYhPdtTAsfbNk6NFYTG2tCxL6g0GJ3prbHgYPM6O9NHzgm0R/:bzbXICPfTAsfBZATl4NprbTG9NHz9K

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3054445511-921769590-4013668107-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3352	1444	AcroRd32.exe	90
PID 1444 wrote to memory of 3352	1444	AcroRd32.exe	90
PID 1444 wrote to memory of 3352	1444	AcroRd32.exe	90
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 2788	3352	RdrCEF.exe	91
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92
PID 3352 wrote to memory of 1800	3352	RdrCEF.exe	92

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\a20e12cf6491526dd23eed6a944e5465.pdf"
1⤵
- 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:1444
- 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=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3352
- - 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=2163023466D37FB0DD77F7D5917F4CD2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=4D3DA873D7893FF3010BD6C1FDB93E77 --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=4D3DA873D7893FF3010BD6C1FDB93E77 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1800
- - 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=3A7E8C94C0348B411AE8DBF9B6F92A83 --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=3A7E8C94C0348B411AE8DBF9B6F92A83 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3696
- - 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=A1A0D3B2FAB7BDFBEA91EF910FB64740 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=52C566A7EE0D62E7C95EC9051E266CC4 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2636
- - 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=DD44EF708EDDDFB93C72945E429D2A3E --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
cc7a0dec2e87636dbe5d2aabfd4c27f5

SHA1
1a1ace94e80f01c3bfca99f57ac05c332a00dd1a

SHA256
f7e6aee0cefb4f3009ac08a783acaff0039ee0e809a9e1490113a0f77a3b0323

SHA512
41a77b630db16f218e4045081426513e2510fc7a822a002dc42ba7506947643f92a15e99a5c515d76acb49cb459db949e4bc7051fddfec15df0306a187522045

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit