499ba61fa1c8f88a936fa299627f6dcd0bf599a7a1da76624f17ebe2a97b62ea

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 07:36

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General

Target

c8110d71a8f1667910f7eac7d48a6331.pdf
Size

35KB
MD5

c8110d71a8f1667910f7eac7d48a6331
SHA1

f5df301b9b33855ba28738b8ec15fc80a9fd3746
SHA256

499ba61fa1c8f88a936fa299627f6dcd0bf599a7a1da76624f17ebe2a97b62ea
SHA512

44ac794678bc670bd3c877bceb888eadeb13b2bcf8235586bed2ba9e400264edb224a758a6ecd06e27658d15b6fed13f1127a9cb52069529f81865862c44b579
SSDEEP

768:dXytcgAkVfSaQlWp8r0ueHEllz89I/kgJazDsmOyKQc:diSFkulWpxuB8m8ka3s9yKQc

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe
780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 1684	780	AcroRd32.exe	102
PID 780 wrote to memory of 1684	780	AcroRd32.exe	102
PID 780 wrote to memory of 1684	780	AcroRd32.exe	102
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 652	1684	RdrCEF.exe	103
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104
PID 1684 wrote to memory of 972	1684	RdrCEF.exe	104

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\c8110d71a8f1667910f7eac7d48a6331.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:780
- 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:1684
- - 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=420DF9EEA404574BFD40115A7F1CA69F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:652
- - 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=B355394F4D163207AE5CF985C3419F21 --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=B355394F4D163207AE5CF985C3419F21 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:972
- - 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=0DD4F7D5FC8CBA50E7DA3AA6F9A94833 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1436
- - 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=4A5B63677D3061A09AA60813916FC4C6 --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=4A5B63677D3061A09AA60813916FC4C6 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3228
- - 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=95F23CA99567B0DC45B575F47F35E82D --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=B979565FBA8FE93885CB1208372821B1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3576

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3392

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=3940 --field-trial-handle=2232,i,11267738607351977302,107266978269557304,262144 --variations-seed-version /prefetch:8
1⤵
PID:3104

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
ddfc7292acd81bd2f107680ffb12b5bf

SHA1
2977d74d59878f782d3f786709ca46def2f26319

SHA256
7787ad7489ee7c3991833673402456fbf32997a34b56b07a231449071bbdf97f

SHA512
ca3deb33c81323db9dd4874e7a2bfddcd458101fc3aa50c7f5e3840f73d3bb069faf8078d461706f344588f8c628b6fd7ac89bfb3cabbdeaaa8545000f6e2674

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