520075ed6ba81929aafaab6cc3db9fe08cc0ace82f3197c43ae6d110cd22829e

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 18:53

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General

Target

520075ed6ba81929aafaab6cc3db9fe08cc0ace82f3197c43ae6d110cd22829e.pdf
Size

80KB
MD5

08a6358dad783d92c86c45b2df711af1
SHA1

010f9c0144c4c359fdfb4e45b2681dc3790c2c13
SHA256

520075ed6ba81929aafaab6cc3db9fe08cc0ace82f3197c43ae6d110cd22829e
SHA512

ddf0ace658bc9bc1cf3be28e2a1ca954fc6bf17d8adc7bf1f64eb300205c9569b6fc25b8fa72d2472da86e9cf6b615ce33ddb2a12bb14af53e4990ceb724fc95
SSDEEP

1536:f7fRh8nSm7rmTyQF5cBy+8nrIfQ1bsMu/0Y4qnfIbX3RC3mt3T20Rl8G:TRh8SrTyQFiin8fCbs7846X3I3mt3nRv

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5052	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe
5052	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 1760	5052	AcroRd32.exe	96
PID 5052 wrote to memory of 1760	5052	AcroRd32.exe	96
PID 5052 wrote to memory of 1760	5052	AcroRd32.exe	96
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3344	1760	RdrCEF.exe	97
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98
PID 1760 wrote to memory of 3912	1760	RdrCEF.exe	98

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\520075ed6ba81929aafaab6cc3db9fe08cc0ace82f3197c43ae6d110cd22829e.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:5052
- 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:1760
- - 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=4E3B535230163EB6DD4C8EB4CC8E971A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=E226EE07889BE570B4B2B45E28906CF1 --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=E226EE07889BE570B4B2B45E28906CF1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3912
- - 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=B6B474392D3B4ACBDFB4559E2FAA55AA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1516
- - 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=A5B8989EACE9FC87A42B5BA1D656AD77 --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=A5B8989EACE9FC87A42B5BA1D656AD77 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1640
- - 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=2BF86B97138ADF73B9C8A507D72460C2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2080
- - 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=C1C982DE5C7E48695B30994C939E6719 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2800

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=3776 --field-trial-handle=2232,i,9772508353233483703,11473701862007458502,262144 --variations-seed-version /prefetch:8
1⤵
PID:4656

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
a64c6e0c51b86d2a754c4ad2c13f81c9

SHA1
4c204510ff36f3478b6520ffcaa48f75e998fe67

SHA256
c74ed5e7b2d818a2a69375be39bd427e6360d4acf6e2603ec7a2a075aec13ea2

SHA512
d30e6a811a01746e7b546048da8f899473f3c2c20189a2e57ffaf40fb19ca7b33e6cba541b88f4128e2ea0d3b25f9310d5f0b025eb33062b3e2a6271ba622102

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