e789b536a60d6e24a5f9141347cc83fdc3eff606220c085c6dead8605d0ca4c6

General

Target

kaiwan-n-billimoria-linux-kernel-programming-a-2021.pdf
Size

25.2MB
MD5

5101b7a38854d9ebd359c9a74d2686ef
SHA1

5ae6c9cb1c37a538a53d22b220e1b5ee2a7abcfe
SHA256

e789b536a60d6e24a5f9141347cc83fdc3eff606220c085c6dead8605d0ca4c6
SHA512

7b44e102bd05aa2ce42e94248564d59cb61c8fce4eb3780619d9a2b602165d4a8a7a43241a56c336ef166150a98a98cefa2c22906e6583b91c2e25e976354a6a

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid	process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4056	AdobeARM.exe
4056	AdobeARM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4392 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

4392 AcroRd32.exe
4392 AcroRd32.exe
4392 AcroRd32.exe
4392 AcroRd32.exe
4392 AcroRd32.exe
4056 AdobeARM.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4392 wrote to memory of 4580	4392	AcroRd32.exe	RdrCEF.exe
PID 4392 wrote to memory of 4580	4392	AcroRd32.exe	RdrCEF.exe
PID 4392 wrote to memory of 4580	4392	AcroRd32.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 3528	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe
PID 4580 wrote to memory of 5096	4580	RdrCEF.exe	RdrCEF.exe

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\kaiwan-n-billimoria-linux-kernel-programming-a-2021.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:4392

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:4580

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=CE1684926585DAD392369D7A8CFFFD26 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3528

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=1F64999AB6BBA93E74F76940D3E902B2 --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=1 --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=1F64999AB6BBA93E74F76940D3E902B2 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:5096

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=2E07F3FE272F3BA4D152DFDD3DA91261 --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=1 --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=2E07F3FE272F3BA4D152DFDD3DA91261 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3096

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=ADB44251B406C6B6A68A8C660206C6EC --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2336

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=32EB0B3CEB08540F5BBDF11EEC97C502 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1200

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=74AD7CE5C3CEAE2D880F843C03B404DD --mojo-platform-channel-handle=2004 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4848

C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4056

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
3⤵
PID:868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/868-154-0x0000000000000000-mapping.dmp

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memory/1200-148-0x0000000000000000-mapping.dmp

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memory/2336-145-0x0000000000000000-mapping.dmp

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memory/3096-140-0x0000000000000000-mapping.dmp

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memory/3528-132-0x0000000000000000-mapping.dmp

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memory/4056-153-0x0000000000000000-mapping.dmp

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memory/4580-130-0x0000000000000000-mapping.dmp

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memory/4848-151-0x0000000000000000-mapping.dmp

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memory/5096-135-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads