0f71c6bbe9353075c70df8fa35b8ae16ba04c87d2f40b4a53d97481afc30b1f1

Resubmissions

09/05/2023, 17:51

230509-wfk5mafb5t 8

09/05/2023, 17:46

230509-wb98ysfb3x 7

08/05/2023, 22:53

230508-2vgcwaeh8s 7

Analysis

max time kernel
141s
max time network
150s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
09/05/2023, 17:46

Sharing

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Report Analysis Logs

General

Target

SddpReleaseNotesEng.pdf
Size

895KB
MD5

a0e2cf42cb8f5726cd59f4b6f5eaa09e
SHA1

5df433bf47b7fa59621b50153ffea56c96a0b9e8
SHA256

84e8bc1bf9878c8dc6203d990439fbfd643029209d6fcfa9e6c4eacd05864e65
SHA512

e10f93838e45d28d674128e32eab94f7832cded807c69589fb8bd8faa01469e0238d8e3343e00b9552a18226e350aafa006968042ff87812122dc5854f02d06b
SSDEEP

24576:HcKVwLLX4pCrPsWZMrnQfJ6oqUF1Wx/Ff:8KV4XuitZe2J69b/Ff

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-1-5-21-1311743041-1167936498-546579926-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2816	2488	AcroRd32.exe	66
PID 2488 wrote to memory of 2816	2488	AcroRd32.exe	66
PID 2488 wrote to memory of 2816	2488	AcroRd32.exe	66
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 4888	2816	RdrCEF.exe	67
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68
PID 2816 wrote to memory of 3816	2816	RdrCEF.exe	68

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\SddpReleaseNotesEng.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488
- 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:2816
- - 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=B425B6A616495FD9E9BFE617640D4E17 --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=2 --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=B425B6A616495FD9E9BFE617640D4E17 --renderer-client-id=2 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4888
- - 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=E654F5800E3D211B871226F57C1E107D --mojo-platform-channel-handle=1636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816
- - 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=B6F412063634EE2C36A061A427024D2D --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=2 --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=B6F412063634EE2C36A061A427024D2D --renderer-client-id=4 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3760
- - 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=3C58C48094A949D57838576C7691E4E0 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3588
- - 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=EF392C178BE3E70A5CF8EB4C5863C8E0 --mojo-platform-channel-handle=2036 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2612
- - 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=22C29C7AD9D2F4D800C01699B17898EF --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508

Network

MITRE ATT&CK Enterprise v6

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

Windows 7 deprecation

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