831053b3ebf7ef802fbe3a5480d6aa43e08003bb3835589a49fa0aa6761e61db

Analysis

max time kernel
149s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 12:40

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General

Target

4e53ffe0f4a59bb3bf80c9873b180be6.pdf
Size

86KB
MD5

4e53ffe0f4a59bb3bf80c9873b180be6
SHA1

9d1e88bb8d595d503016f1c66e8739564cf659a9
SHA256

831053b3ebf7ef802fbe3a5480d6aa43e08003bb3835589a49fa0aa6761e61db
SHA512

8097fdc5fd80996b5570d12860b3f5d7237d53223f18f4386dcf65bcc230aa15864cbf92781f203251c579c3318536d41201f6dcc248fb38182f11085fcd07f4
SSDEEP

1536:PBWQc0Ag0rpvzG5Fgw3/T821qGX8M/dS7/VltTWvHWDKcv9TVvoFc9g:hc5gyg5fvo8IMK3T4HWWcv9Zw3

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
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe
1232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 5064	1232	AcroRd32.exe	92
PID 1232 wrote to memory of 5064	1232	AcroRd32.exe	92
PID 1232 wrote to memory of 5064	1232	AcroRd32.exe	92
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 2532	5064	RdrCEF.exe	95
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94
PID 5064 wrote to memory of 3856	5064	RdrCEF.exe	94

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\4e53ffe0f4a59bb3bf80c9873b180be6.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:1232
- 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:5064
- - 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=22FBA4F62F025A03BA189FA766F6EE9F --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=22FBA4F62F025A03BA189FA766F6EE9F --renderer-client-id=2 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3856
- - 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=CDF5E27E4537B2304D48EE4D97EA278E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=CEE7213CB70D935F119336DC5DA89BDB --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=7D971208351B1E7C55DFB4CF4E338FAE --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=7D971208351B1E7C55DFB4CF4E338FAE --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:716
- - 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=75EA1883C61F444E1F644CA4EED55374 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:988
- - 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=232644CE25647BBF6850B71477EC5916 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:812

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
1KB

MD5
7319b126796069e135d3fd2bbaf5d3eb

SHA1
7ed290ba43dba5a49082025335aec8111aeaa0f2

SHA256
d9b3defaabe76765a363ea9dfc3e3b598f08c9eeff5becabd5bb24d3b91e5062

SHA512
ff0f8dd4473a4d6f1fc5b330f27e5275d8ce71b9f08c646ef6053eaaed8d3264fffa703d9b6ccf29d48cc5a13a1d5070e78d39fcdd0029f9e03bf2fb66bfb437

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
5KB

MD5
fc14b0faa2e7be6479a5cd957de2c59e

SHA1
614637c4e1250ff09d8541c418c7ca1b2ce58e93

SHA256
910e224b2ce0be8b22f2fb9a4672fa2837573cc881cb4126909ae55f76c8477c

SHA512
9bca535f236e3f0112ad2bdefbcd640c3bdf40cc0fe21fe69b5e8a6134eaa386cc53f80fd17d43c7f88c3bad51908dfa94655e9d1eadc59047ee20e32af63057

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit