105d81ff84daefa8827ca2bdcc190e4a0c3ce69cbfc11a71e697a3cff1c22480

Analysis

max time kernel
38s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:12

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General

Target

395aefa7c50b409549a1728848a0fd38.pdf
Size

85KB
MD5

395aefa7c50b409549a1728848a0fd38
SHA1

1b1574ef17c6c01c983b0084593adb00298f79f7
SHA256

105d81ff84daefa8827ca2bdcc190e4a0c3ce69cbfc11a71e697a3cff1c22480
SHA512

a7d710a0c3ecf03e5e949d84711021cf3e56658fc2f90cb537898641a15eb54e30860a02d3e008c9ece2b139bfee75747b11d95ca91837c938b61e6dd4a63b1a
SSDEEP

1536:IiEanQQp+IBhDibDEyokA8OWS68fM+jqnAyTNdIN9PaWe8YWbGMUpW8pO7Z6Z:lTnQQgIqbDEyokA8O155jqnrTU97UA7i

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
676	AcroRd32.exe
676	AcroRd32.exe
676	AcroRd32.exe
676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 5080	676	AcroRd32.exe	94
PID 676 wrote to memory of 5080	676	AcroRd32.exe	94
PID 676 wrote to memory of 5080	676	AcroRd32.exe	94
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1344	5080	RdrCEF.exe	98
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99
PID 5080 wrote to memory of 1484	5080	RdrCEF.exe	99

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\395aefa7c50b409549a1728848a0fd38.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:676
- 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:5080
- - 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=CBAE139FDFCCD56F47EF4F45D5D410E4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=F40A42044AF0335CBEB328CAD4F492F2 --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=F40A42044AF0335CBEB328CAD4F492F2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1484
- - 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=3753FDC48429B41D0C6F14E5544EBF9E --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=3753FDC48429B41D0C6F14E5544EBF9E --renderer-client-id=5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=76EF3EA339E8EDBD45A5B23F438A6AA3 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1796
- - 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=6D07C348A947486430735D3B33BFD851 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556
- - 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=B3B1A57AC40612B653A3FB7229D41854 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4268

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

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

Filesize
41KB

MD5
cee08610da690db0587d5aae691b684c

SHA1
e585b2dd84ac860c331924588ea819cd81c365aa

SHA256
48be15654ce2f84d9f4ec9cd15c8ba37ece45feead36385e9385f24420a20f41

SHA512
a88a27d7ed89f24e1281d1496797f301905754235694775d0916961f7f69a2825adbd8752a66bdf7c16c9964c951b148e96f21cb61361adea5d2fb02bb03477a

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

Filesize
31KB

MD5
059a247e5e5faf3fb55ce2e6bfe7fddf

SHA1
b8a53700f9216890f8b857f6c977490638c031a7

SHA256
6ae5bbe3f9088a3dac6b89a55d3e4d72232057ed1d843f9f228252913bf14658

SHA512
a3f98cbfafc5a57dd97832d4cf9b72c07e475b4b885261662eb605dc886826e0f0edc0ea85abc16eb1b22a7ea15f5f213b565d481bc2dc893f045628941232f8

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit