31408deaa327bb3f3faa4e63f9207c3ad355c455c68a8d2658cc54c47cc01e29

Analysis

max time kernel
143s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 03:36

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General

Target

bd90bf155d166cc6bd6798723afd7217.pdf
Size

87KB
MD5

bd90bf155d166cc6bd6798723afd7217
SHA1

d30eeb2780c27dd5b61ae927711f9f7d89fb1b01
SHA256

31408deaa327bb3f3faa4e63f9207c3ad355c455c68a8d2658cc54c47cc01e29
SHA512

9f1eedd4912576872e9873b5cebfcc4e281ac09dcaee9bcbf8e218aabcb1c60dcfdf8325c42b4d7715213e09c41a542d983769e7c6db61911b2da20a1e7ee66d
SSDEEP

1536:v/xzQuvzsQd5xnRCuwh9NYVJE5W1WtwIhGWwO5qkGXsL4dPWspOReCU:nxEWsQtnRCuA9NYVNWtNhRqk1MdeR0

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 3668	4000	AcroRd32.exe	98
PID 4000 wrote to memory of 3668	4000	AcroRd32.exe	98
PID 4000 wrote to memory of 3668	4000	AcroRd32.exe	98
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 4624	3668	RdrCEF.exe	99
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100
PID 3668 wrote to memory of 2680	3668	RdrCEF.exe	100

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\bd90bf155d166cc6bd6798723afd7217.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:4000
- 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:3668
- - 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=C21EAA8660934430C8770171B05FF810 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4624
- - 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=75709D2885D68DA0A0BA0BF517EDA21C --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=75709D2885D68DA0A0BA0BF517EDA21C --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AC788CBFF3E746C91E8D139FA0ACE92B --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=AC788CBFF3E746C91E8D139FA0ACE92B --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2784
- - 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=400E26B514B0E33AF22081455EC0EC90 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=4F24185E2906C42C3AB5C2F358BF9622 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3124
- - 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=2A6395F4B30F11640CFADFED6587A438 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2720

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3548 --field-trial-handle=2264,i,7010714054498059916,1862725710331979271,262144 --variations-seed-version /prefetch:8
1⤵
PID:5332

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
c60ebc623d31b9e272d5e9f8af39f223

SHA1
8e0b062f81a7c4db4d21eb74779fe841128dc5b5

SHA256
121a205b9c499bc9b0e97bbbe5370acd0ff609b3923f63fad2aa0cf71c4c8bdd

SHA512
6856647d214c8145c0305c85394cbd423ac3eced1f49fc069347e698a58ce035dd77f3b36a3ff8d3318d45f91216b5d81c6dccf0b3c43b8f6cd4b716594653bf

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