19c2b69244909ace5ffec5f9544edf844d387aa66b9150659c049bbef78497df

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 12:26

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General

Target

97263d8d7a9530712c22d9558158a315.pdf
Size

86KB
MD5

97263d8d7a9530712c22d9558158a315
SHA1

870d3dada392bb8893e6fb8b772fb3c27edeebbc
SHA256

19c2b69244909ace5ffec5f9544edf844d387aa66b9150659c049bbef78497df
SHA512

0fc3dec67e2041949ac3fed904d4a7697d073d58682d5f1775a8020d057d29a1af93b8f84f641cc3de29625335a86414930445e19459f14c439bbf4b85e11188
SSDEEP

1536:Ozvi5zWYbj1TjKTtq9mC+EFfMJZ+SmOTUIWypOlLkXBXWXP+YQt3J:eyW0j1TjKJq9BdFfMJgSnYlLkXBn3

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe
3788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 1468	3788	AcroRd32.exe	84
PID 3788 wrote to memory of 1468	3788	AcroRd32.exe	84
PID 3788 wrote to memory of 1468	3788	AcroRd32.exe	84
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 1396	1468	RdrCEF.exe	85
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86
PID 1468 wrote to memory of 532	1468	RdrCEF.exe	86

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\97263d8d7a9530712c22d9558158a315.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:3788
- 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:1468
- - 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=1AF02F91799701166335A070F5EEFF10 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=FF2A1B2DB31187A61A5D8348D6B3FF77 --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=FF2A1B2DB31187A61A5D8348D6B3FF77 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:532
- - 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=EBB124A0F7ADEF88F597E7083A775AFB --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1928
- - 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=DCA8D03D31D85213FE8ED4B2E18187C5 --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=DCA8D03D31D85213FE8ED4B2E18187C5 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=FEE408B82A6B921873A65DDA7E391E82 --mojo-platform-channel-handle=2736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=D8FBA1BC935A1E563E2A7797A484FF62 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5016

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
5611910fd6e1869633777dd560a1be9b

SHA1
aeeceedca50c83dca0dbb7a893e7fded5cf9e9fe

SHA256
6a5640f5c30e53bff35c5b283bd8d8c2e7438dcf175eda923bf4d836ded403ab

SHA512
7e3ebb692474243e8da5801590e4619c02a798d9dc04c42a040f249e508ed50592b1780453b29b32a6a490e5d5ab7935644489e0d424ab4e3960172355867d81

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