0e9c307352d8fd13b74eadb3c480b94045692e908a63d0b5de3ea0f12e595b24

Analysis

max time kernel
143s
max time network
151s
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 10:55

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General

Target

96fc5028847ee5dff97061f78796da1f.pdf
Size

73KB
MD5

96fc5028847ee5dff97061f78796da1f
SHA1

de0051a9625281c030dce301c08928ca249cf049
SHA256

0e9c307352d8fd13b74eadb3c480b94045692e908a63d0b5de3ea0f12e595b24
SHA512

9f7290f9b0df4c0d0c6346c5aefef4fba81df7c9ec06adc73b194f3a52ce64f6d677040731c2b0765ac745429be9581b31d88bf873fe4e9a20efac262f63f2cc
SSDEEP

1536:kazTwlP7siI0xDB7V+NtRzI6DFCU+lomlHGUIXnkxdbriaO6Jki0c1l:5TwlTsc0N7rIbomlmX0dbeuJR0e

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4868	5100	AcroRd32.exe	84
PID 5100 wrote to memory of 4868	5100	AcroRd32.exe	84
PID 5100 wrote to memory of 4868	5100	AcroRd32.exe	84
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 4260	4868	RdrCEF.exe	85
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	RdrCEF.exe	86
PID 4868 wrote to memory of 1144	4868	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\96fc5028847ee5dff97061f78796da1f.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:5100
- 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:4868
- - 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=CF1B77426EA21DFD36BE3D75F74A8E3A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260
- - 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=6D786AAB4F6188AB958E5AD71F7ABCA9 --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=6D786AAB4F6188AB958E5AD71F7ABCA9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1144
- - 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=03340F5140A4EBE3CF0C8BE3B21EA99C --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=8F4DDBB1EA324166158527145FF4A1E6 --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=8F4DDBB1EA324166158527145FF4A1E6 --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2500
- - 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=9C104053D8274AA63FC674D55A970CB1 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300
- - 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=81BB5D54031350302409EB5063621F9E --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3360

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
edac5291e8c55d62f4ce442ebef60f08

SHA1
0ef3b7d54cd994d7661c32c35b7916bbd36f071a

SHA256
61a8867dddff72ad6223d26d3bf474b5e390f207b4695f832b58a22c3af60f9e

SHA512
1a670fdc1d39f65b712038fd96c57884aa06f7d6cfe2894e5ee0183c8b176a01388211bb902c7377db7f81f656a88ab15d538281eb49dd405f1114c45f9ef7b4

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