20b13d649904280953ee4e9ea2e7da18256fb0419ceee36a20c37c47b7d65bc2

Analysis

max time kernel
148s
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
06/01/2024, 19:38

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General

Target
470707be05ae6f27a89ae6b0882c299c.pdf
Size 1KB
Sample240106-ycqbaaecgp
SHA256 20b13d649904280953ee4e9ea2e7da18256fb0419ceee36a20c37c47b7d65bc2
MD5 470707be05ae6f27a89ae6b0882c299c
SHA1 8f4fb8b313867ca2afc53f08d661c8cb0c66bf7e
SHA512 a14f4e2ef2d75223815ccfe2d2b094e735b6dd378c893dc72f5902c79275307f8b6933dc122460b87a8611d8403999d622724984329cc937733176c60423a91e
MD5 SHA1 SHA512

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5096	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe
5096	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 2852	5096	AcroRd32.exe	94
PID 5096 wrote to memory of 2852	5096	AcroRd32.exe	94
PID 5096 wrote to memory of 2852	5096	AcroRd32.exe	94
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3064	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96
PID 2852 wrote to memory of 3384	2852	RdrCEF.exe	96

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\470707be05ae6f27a89ae6b0882c299c.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:5096
- 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:2852
- - 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=715344831DACF2BF36FE8055B7B0A4D6 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=17CC181E4F1C97F35E731839D4DA27F0 --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=17CC181E4F1C97F35E731839D4DA27F0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=A4DFD7C2624FD82D3533B1D8A8AA44EF --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1240
- - 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=362D92BB609C5BE3B91462D1FD443F9F --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460
- - 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=9F4CBA6013B4B4C911B623C91F642A58 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1432
- - 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=A19BCC23EC5EE0867A58FB89A0772AF1 --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=A19BCC23EC5EE0867A58FB89A0772AF1 --renderer-client-id=7 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3572

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4556

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

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 e8d029b383b7d1ecaaa76a2a35495a697d8cfb1a18bbee0839722a32b041791e
MD5 2eb20d47e95db2eec8c4a9735fcd2c1a
SHA1 ae234f24e04d2506efdd5df9da3dc08901292e38
SHA512 201ad2977a07a6ad3677c4e9232133fe4134e93267b47494d574d5ee5239e8f45dd1545f7f187f01aa04057f434322a1b5ced708f65d3db41fd8abc02557d4a9
SSDEEP 384:ye4dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:r+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

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
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

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
MD5 SHA1 SHA512 SSDEEP

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memory/5096-132-0x000000000A400000-0x000000000A54D000-memory.dmp

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