541b13a04aa6108f1779b2c39d111151861d19ea64ea8b21a3c656a3f9b91e63

General

Target

541b13a04aa6108f1779b2c39d111151861d19ea64ea8b21a3c656a3f9b91e63.pdf
Size

44KB
MD5

2fed408d0445a7d33591c1de5e82e128
SHA1

a709e28b2b51eb26c9011ea7b76132cf8f8a3a8f
SHA256

541b13a04aa6108f1779b2c39d111151861d19ea64ea8b21a3c656a3f9b91e63
SHA512

5030227a7fde67454cf1f4174fb9a3c579a76a1bcc062b5e12d3bfdecc8abf74b59b2caefa6db8b85db1bcf96bbe180b727ab0565229770b687804fff76d98d7

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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2452 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

2452 AcroRd32.exe
2452 AcroRd32.exe
2452 AcroRd32.exe
2452 AcroRd32.exe
4684 AdobeARM.exe
2452 AcroRd32.exe
2452 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2452 wrote to memory of 2216	2452	AcroRd32.exe	RdrCEF.exe
PID 2452 wrote to memory of 2216	2452	AcroRd32.exe	RdrCEF.exe
PID 2452 wrote to memory of 2216	2452	AcroRd32.exe	RdrCEF.exe
PID 2452 wrote to memory of 2496	2452	AcroRd32.exe	RdrCEF.exe
PID 2452 wrote to memory of 2496	2452	AcroRd32.exe	RdrCEF.exe
PID 2452 wrote to memory of 2496	2452	AcroRd32.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 1644	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	RdrCEF.exe	RdrCEF.exe
PID 2216 wrote to memory of 2764	2216	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\541b13a04aa6108f1779b2c39d111151861d19ea64ea8b21a3c656a3f9b91e63.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:2452

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:2216

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=6F3A304BFC4EA422C50035995F755EB6 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1644

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=ADBB2D0FF68E29858670B8781CA75701 --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=ADBB2D0FF68E29858670B8781CA75701 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2764

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=2750749F475013407ABCBF38C0311117 --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=2750749F475013407ABCBF38C0311117 --renderer-client-id=4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:1
3⤵
PID:220

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=C3451F5EFF5C92A633A12FA56359C446 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3840

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=EB6CF8C9530291CA56705A85241893D5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1824

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=4981BF5802DDB8881974CA9FD77432EC --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1096

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⤵
PID:2496

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 use of SetWindowsHookEx
PID:4684

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:4448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3032

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/220-141-0x0000000000000000-mapping.dmp

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memory/1096-152-0x0000000000000000-mapping.dmp

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memory/1644-133-0x0000000000000000-mapping.dmp

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memory/1824-149-0x0000000000000000-mapping.dmp

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memory/2216-130-0x0000000000000000-mapping.dmp

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memory/2496-131-0x0000000000000000-mapping.dmp

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memory/2764-136-0x0000000000000000-mapping.dmp

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memory/3840-146-0x0000000000000000-mapping.dmp

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memory/4448-155-0x0000000000000000-mapping.dmp

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memory/4684-154-0x0000000000000000-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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