394241ae21314b4ea3ab32052f426a797d3aa1b0c761551921665f50071f2bef

Analysis

max time kernel
152s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2023, 21:59

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General

Target

guide.pdf
Size

2.2MB
MD5

cc175e5535991e4b406c2fb024a6f025
SHA1

e60a185551e2347c65704d18b47c66f7b2702326
SHA256

3e144a9ddcedccf2bb037de7c9f86d8ede2da069526fd56d26f041d9259213eb
SHA512

a3ed2d6ee7852c1e1425209a12ba932c1e459272691b020676068fed23ad6ca2afdbcf468f4040fcb67b252c64543ca09d9db18a35b83839353a4c103eee44c6
SSDEEP

49152:wtKVY8ikrfyQnaLPf1dyMP8+84aviiebwcQmoSDQMUg1KFQnzE/55ra:wtOnikniXDNNYIwThScMUUpnQq

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-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe
1244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 3924	1244	AcroRd32.exe	90
PID 1244 wrote to memory of 3924	1244	AcroRd32.exe	90
PID 1244 wrote to memory of 3924	1244	AcroRd32.exe	90
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2976	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	RdrCEF.exe	92
PID 3924 wrote to memory of 2724	3924	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\guide.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:1244
- 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:3924
- - 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=1058AB65A78554B69556332AAB1120A5 --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=1058AB65A78554B69556332AAB1120A5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2976
- - 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=2BF3D238EADE60743A6C6E8E357B59B4 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=C6DF23CEF9EE392594CD3B792A40A208 --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=C6DF23CEF9EE392594CD3B792A40A208 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4692
- - 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=34DED37F7F331791BADA8639601E33E0 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3568
- - 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=2405BB3F5ABB2E4B7BB96B045DDDD41A --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3748
- - 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=592D70BECE35DE45E2CC81B4740F3018 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1276

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
f7781cb55c4726b19102e798299a7905

SHA1
e861e4a6277d53bca38ca661dae84353bf9c5526

SHA256
c68b7a7736d883fb825e456f4fe03a5ceeaed515ae110b8bda8dab80180d4a5a

SHA512
7631d0563d8bdf4e3083ac782f29e90b1cffd10f03438239e946a3a5555b7f5b507bfec0aa4b0a622993def4abbe97a937f2eba2b4ea46e2b078e06b71db0371

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