b2fb8edb3f81a9492e8d09391ecaf38864887ed06ce5ccf97be097da53043337

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 11:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7cfa75eedc234d7cc08800c71e3a9ba3.pdf
Size

84KB
MD5

7cfa75eedc234d7cc08800c71e3a9ba3
SHA1

00a7ed143de8e1b5f6bf4cef3e16b3815e73a656
SHA256

b2fb8edb3f81a9492e8d09391ecaf38864887ed06ce5ccf97be097da53043337
SHA512

ac6d1befdd7fbcccd3b70131ab108b550da2824eff77089210d4cc9cd874cf843899169b0cc4679563c49b3332604c1fe7775af0f1e0d8f0a673bde2442143cd
SSDEEP

1536:K/BG4hIix5NW3TJCkqzMTV2zr9miWtqv4HGnWspORpqfip:GNg3TJCkqMeBmG4HGWRss

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 1776	2176	AcroRd32.exe	90
PID 2176 wrote to memory of 1776	2176	AcroRd32.exe	90
PID 2176 wrote to memory of 1776	2176	AcroRd32.exe	90
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 908	1776	RdrCEF.exe	91
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	RdrCEF.exe	92
PID 1776 wrote to memory of 4068	1776	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\7cfa75eedc234d7cc08800c71e3a9ba3.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:2176
- 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:1776
- - 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=BC47B1CE86C3D03AEFFAA6BB19783385 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:908
- - 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=04B640B175B316047F2129C6DD62DEC2 --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=04B640B175B316047F2129C6DD62DEC2 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=B540E0F3BF3A364F17DE038A72FC21D3 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:364
- - 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=9DFF72CC0EB78923089719DFCC3014F4 --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=9DFF72CC0EB78923089719DFCC3014F4 --renderer-client-id=5 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2488
- - 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=0DB6A834473F0622D7A75F6CCC335ECE --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:380
- - 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=EF37CAA0CF3EB865B06AE66EE2FAB9F1 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356

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
e824ede2f235aee4a8b1e4c29287cf7f

SHA1
20d4313c71a14442149e5361c7df40dc51addbdb

SHA256
20f29fb5efc621817faa2317d00e6cf0814481a9ef4ca4e2fd21bffb266cda24

SHA512
2df095fb07dd26a4a69b490a72ee531eac1c480d878feb60eb0ea5e04e870560649a34ef3718697de7847a74fbeee82efb616e9554027b9e05d2952ed6062690

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
memory/2176-28-0x000000000BB70000-0x000000000BB91000-memory.dmp

Filesize
132KB

Download