16985d9722a43be4e970997ed72a3e4b690329e9ca8365d8214ef4f885e9562c

Analysis

max time kernel
142s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 13:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ac053f3609cc1046f87cc9f55520faed.pdf
Size

86KB
MD5

ac053f3609cc1046f87cc9f55520faed
SHA1

0e8d26d86a7ccea89917dfbb552ce9c042372853
SHA256

16985d9722a43be4e970997ed72a3e4b690329e9ca8365d8214ef4f885e9562c
SHA512

ac9626e62c1f3806fc8f38ec3c6a9e0e1fa2d01e138b8ce81d259476b31a1aba0e72a3ed32bed8b3ef5756b0cfb0e4571ad77305c938e1127cd499302dcb8941
SSDEEP

1536:YnRQClZC5vN9R84Hs/Ay+w+vtNZ7iAE/ZDVWHpOvTWIYwnhFHqnd7y31:QlYxN924HgB+xtNwAcDzvBYwhpqnd7K

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 4504	1480	AcroRd32.exe	98
PID 1480 wrote to memory of 4504	1480	AcroRd32.exe	98
PID 1480 wrote to memory of 4504	1480	AcroRd32.exe	98
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 2708	4504	RdrCEF.exe	99
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100
PID 4504 wrote to memory of 4712	4504	RdrCEF.exe	100

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\ac053f3609cc1046f87cc9f55520faed.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:1480
- 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:4504
- - 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=106C48EB3C63A63CC01DB0F357B817A3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2708
- - 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=2410FC00628FA0EB5BF15DE2D06B6015 --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=2410FC00628FA0EB5BF15DE2D06B6015 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4712
- - 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=A24146BC672C9485CFA4F8A4AC145AA7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=257BA527FE1D4F470FCBB71FB86CC52B --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=257BA527FE1D4F470FCBB71FB86CC52B --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1576
- - 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=2ECBA234AC3AE9175FF7C6DA360776B6 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3348
- - 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=91E20D054B8014F832E48557D50288F3 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2672

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=3548 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:8
1⤵
PID:488

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
eb8fa9306e621eb043d469bdfe97033b

SHA1
dfafbce380afb7b8667fabb9685250bdeba120bf

SHA256
72b85890171ef18f054e1ee074bbfea44666fce9904a8c0797c21dcbecefe192

SHA512
61ad494854ebf104b6a80c90e643787782d575d6c3ff2c2ab3287f276c39deed794b288380826333fb1976faa31d72db6fe12ddfc2bf319eb09038b798a5ceab

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