2da2547254fe34f2d0b3bf0583adf97029a91a4dcea20b6bfdd13269c58f6679

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 14:39

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General

Target

a219715f701c58ef731317c4e8abd37b.pdf
Size

84KB
MD5

a219715f701c58ef731317c4e8abd37b
SHA1

d1a5b6852b43ec26a72f46995f616e10b3c8d84f
SHA256

2da2547254fe34f2d0b3bf0583adf97029a91a4dcea20b6bfdd13269c58f6679
SHA512

310e18c858fe19fd63418a20bb93ad4484c8b0b295e5b0a7daae9f3154a43f9b2ca4fb0064bb41a9d74c9798e2e9c2c8f09019969e938a1cfd3f6f6ee87bc37b
SSDEEP

1536:u1Os4VyNvoHBD86l5Br4dJeUfMQ2KgQ7mGyvJz5Vxk4fPcG36nW/bdSo1W6pOu2z:AJQC6l4MU/mGaVdPcG36udBmu2NEIrt

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 1096	2680	AcroRd32.exe	90
PID 2680 wrote to memory of 1096	2680	AcroRd32.exe	90
PID 2680 wrote to memory of 1096	2680	AcroRd32.exe	90
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 5080	1096	RdrCEF.exe	91
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	RdrCEF.exe	92
PID 1096 wrote to memory of 1236	1096	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\a219715f701c58ef731317c4e8abd37b.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:2680
- 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:1096
- - 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=7F3B1C303ECB98FA053AF1B06741C248 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0580B51C70FFA6FBAC2EA83D567A363F --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=0580B51C70FFA6FBAC2EA83D567A363F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1236
- - 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=FE46AFDA276CBABC99CED974FD749072 --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=FE46AFDA276CBABC99CED974FD749072 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1704
- - 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=0CEA650C3D4D9C8B2A3B5B90E907BABF --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3292
- - 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=C13F44E1975869D3A1F921164FF81A48 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:456
- - 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=36371D3D79478779EF1C9206FD492C30 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184

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
64KB

MD5
ba87fc65c9337d9edba52d4149920ae6

SHA1
a988582dd353bea460f12f78e4c54cc789e77e30

SHA256
332886cd603464151f9cb44bf95fa9476ca572b088258ee924bff7f78b4605ac

SHA512
fa8ead8278693a4de6484bd303308dda8a7a3eccc662d0cae42e2a86abff93c3b0ff6a83e77bbb17e44e18caf3db728f0587c87b92f11bd8c1e2703dc33bc08b

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