b7f8b63d810db311d97ad8d1023b2950f69eca06021f7781a96708aa7d1674a4

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 15:55

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General

Target

9c147d2ab0f20442370c70096cfef741.pdf
Size

103KB
MD5

9c147d2ab0f20442370c70096cfef741
SHA1

7cf8511075752bc58c8cb3ca430eea39b572eccf
SHA256

b7f8b63d810db311d97ad8d1023b2950f69eca06021f7781a96708aa7d1674a4
SHA512

b6f3c3cd3e75b4f17bfc269bc575f6a2251801f0ec8b330c7098f6bae2ab408b8a9bd4ca4b312895390702e542f85cf76b592ddeebbdbafda50ce73c0ead167e
SSDEEP

3072:9kUYQTng7XqaQw0ycvgnayUz1E66Pd/JWCtQ0e3:9kUxTg7Ow0yOmadJgxJ9y

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
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 3716	3684	AcroRd32.exe	84
PID 3684 wrote to memory of 3716	3684	AcroRd32.exe	84
PID 3684 wrote to memory of 3716	3684	AcroRd32.exe	84
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 2912	3716	RdrCEF.exe	85
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86
PID 3716 wrote to memory of 4600	3716	RdrCEF.exe	86

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\9c147d2ab0f20442370c70096cfef741.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:3684
- 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:3716
- - 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=D6C827C3C1F24FF588AEF748E46CFBDF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=C7210C4775FB6A6408E04AEC295D3265 --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=C7210C4775FB6A6408E04AEC295D3265 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=2852BE42BE975ABC3CF26CCC46ABE8D8 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1548
- - 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=67C18C90D6CC91BBD11E292AB5C51676 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=80CA4325F262DF431A5A60B57CD6B6A2 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4084
- - 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=6A2F115422333040682E862CA4C603AE --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=6A2F115422333040682E862CA4C603AE --renderer-client-id=7 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1464

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1664

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
fd11c239962403a9cd590ee7e23ce0e7

SHA1
351fc58b9584cc0668c5ab6b23d5ff177a94c3eb

SHA256
eba68545aab7b2d914fd477636236c5a6adb8cf33de1af5d55326a96d0cc3706

SHA512
500100f404d527445de69820a3419491a6df164e38f50651945fb4cb1c7867c08ceb526286ea9940dcdf56423f6d9c5a7288756c1b8b147cc4d6c42bf0ca53e9

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