09be82fd974abb4a00f0313bb3a4b55ac7272bc51851001c1227fc3ac76391d5

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 15:08

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General

Target

d226631baca08467bf1e6bdba55e220f.pdf
Size

75KB
MD5

d226631baca08467bf1e6bdba55e220f
SHA1

a2bda44af18ceed602b24e9f34e5b49c2383d523
SHA256

09be82fd974abb4a00f0313bb3a4b55ac7272bc51851001c1227fc3ac76391d5
SHA512

281cfc91ebecd8b44a6ce40da26746361b53a0bba902a739687e335ebb7c794fabaee33235b2ef5c7a6879d34d432ae5d8b9da11503bf562bd74969fe605bf62
SSDEEP

1536:722ITgJeL4LZG8mBzNvjC0ptL7qev2UykY590cgacKvYX9wdj0jv5PzJNg:uTQeCGP+0XPqmfykY56FKvSWyvN8

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3304	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe
3304	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 2864	3304	AcroRd32.exe	90
PID 3304 wrote to memory of 2864	3304	AcroRd32.exe	90
PID 3304 wrote to memory of 2864	3304	AcroRd32.exe	90
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2252	2864	RdrCEF.exe	91
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	RdrCEF.exe	92
PID 2864 wrote to memory of 2188	2864	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\d226631baca08467bf1e6bdba55e220f.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:3304
- 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:2864
- - 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=8B7F74603EE1BC541C798FDA478A40AB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252
- - 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=E782A6534807C7B51ABB6E69F0C34CFF --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=E782A6534807C7B51ABB6E69F0C34CFF --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2188
- - 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=8C63BAF18F82E4FE68E459D601D58DEB --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=8C63BAF18F82E4FE68E459D601D58DEB --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4352
- - 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=B471E155347A3C9A48A00B3A7DCEA41B --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4084
- - 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=D6CA243A3718FE5154446DA48A3C64B7 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348
- - 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=64C23AA4158D3D0355A4700817FAE14F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3140

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3896

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
b9c6b258530748e8d1baa9910bdaa496

SHA1
77ee8798d7a0e4c86ab12187a993e7da1c597faf

SHA256
c2ca651741d49aace97ac7d66cff4d2c9de24d9e6390c6e0a2c178f8883ecdcb

SHA512
ce9e991271d8858a21eb2c991dd056b4c5ce6a95ff8d71d340eb1bc35b73ae2a8e4b0f75f2a9dcffa7b4823c25f3e95fd902812c8f8e300b3bbc4fbca7914df4

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