0c063bf0a5407268a4a7c64e27fb51e2a5fd92d1b831a3a9caa4367dfccae9cb

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 19:01

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General

Target

a2837288b18b21697304350e1220eed5.pdf
Size

89KB
MD5

a2837288b18b21697304350e1220eed5
SHA1

2a7d9d327090d4a8e653f995a20cdf7d83f4c50e
SHA256

0c063bf0a5407268a4a7c64e27fb51e2a5fd92d1b831a3a9caa4367dfccae9cb
SHA512

4c99c8591c52bfd79052b0c257d42705b64c495e146a945b4a87a9d37fedaefa3e1b3697b3772be0a76d8fd8ee7a02c8143953d80ad2b5c8eb36631f9ffb4927
SSDEEP

1536:CltaH0hZIHYR0P8UcfRQqdd0rkQj0kMy+nRScWnLOayAFM8Y8js4/WOpOwruS+6M:9UhZfdzfmqdJtkMlRChFM8848wrubD

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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 4548	2260	AcroRd32.exe	87
PID 2260 wrote to memory of 4548	2260	AcroRd32.exe	87
PID 2260 wrote to memory of 4548	2260	AcroRd32.exe	87
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 2860	4548	RdrCEF.exe	88
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89
PID 4548 wrote to memory of 1484	4548	RdrCEF.exe	89

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\a2837288b18b21697304350e1220eed5.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:2260
- 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:4548
- - 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=874ED7563FA94C69D41904D58EA9D26A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2860
- - 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=FCE1A065F8597799DDB01D1E2589D476 --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=FCE1A065F8597799DDB01D1E2589D476 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1484
- - 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=439292D50D5319DD8ED871681564187A --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220
- - 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=47CD24CB040D053D1A587DB47E3EE643 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=9EA33A5476D4ED89199941A7C43FD684 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=7132262B390DB8161F96A5764B77C19C --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=7132262B390DB8161F96A5764B77C19C --renderer-client-id=7 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2676

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2772

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
a49037b706cd8b6b37e24f1e7dd2f6ce

SHA1
ecebd4fe4e29e3426f95718a4399df45468473a9

SHA256
7289cd5cc04fff2ec7d018872c1ec00a393dc1bdc770a5c9fe7c5be566abc871

SHA512
242e8885fe336975cdcad40ba6761be32b1736fad2b13fa8e4c8e2804b40e83c2cdfa08678231366938d57eb24c330e51cb58c26087c6bbf37e75307c197ad80

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