a2cb1bc45f9893eea8f3a539bb480b6b9cde2ff775c8aced3490de23eb10671f

General

Target

Policy Update/Policy.pdf
Size

287KB
MD5

f8f586a5b2cbde66bc38bfb1b5e39958
SHA1

6853735e97f1d07da40797e90ac18b675088dd9b
SHA256

841f11cd242d243010adb9477a13d569021297859c8963d044c8ae79e882b57a
SHA512

d699961793754b702c288bd494f5f2da3801d551ceccfda4681c988974b5fdd2e840070d3636f6e01bf05762d578b5914044669abc07f81772462fcd78e11a62
SSDEEP

6144:EU2sUs1ZZoC9O7HrA5b1DfdpumVx0ekWdva1k0vPx+PVQvP9m:J3UuZjO7HrAZxwQme9EkMx+3

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4820 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4820 AcroRd32.exe
4820 AcroRd32.exe
4820 AcroRd32.exe
4820 AcroRd32.exe
4820 AcroRd32.exe
4820 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4820 wrote to memory of 1496	4820	AcroRd32.exe	RdrCEF.exe
PID 4820 wrote to memory of 1496	4820	AcroRd32.exe	RdrCEF.exe
PID 4820 wrote to memory of 1496	4820	AcroRd32.exe	RdrCEF.exe
PID 4820 wrote to memory of 4112	4820	AcroRd32.exe	RdrCEF.exe
PID 4820 wrote to memory of 4112	4820	AcroRd32.exe	RdrCEF.exe
PID 4820 wrote to memory of 4112	4820	AcroRd32.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 3488	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	RdrCEF.exe	RdrCEF.exe
PID 1496 wrote to memory of 2540	1496	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\Policy Update\Policy.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:4820

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:1496

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=FA1FE50E1C1BED1201AED80651D4F6DD --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3488

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=FAA899F0FD0AE0F49C7E7D3EAFF7B574 --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=FAA899F0FD0AE0F49C7E7D3EAFF7B574 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2540

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=ACCDE252CBA61EB271211426A411CDBA --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=ACCDE252CBA61EB271211426A411CDBA --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4244

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=0F53697BB011DA2435DA6A3B930BE18F --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2104

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=F1F56CD0E012EAF2F16FBC4009ADBF49 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4256

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=9686583F4EAAC8D8C60F7D0D581AEC0C --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2196

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:4112

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4600

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/1496-132-0x0000000000000000-mapping.dmp

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memory/2104-148-0x0000000000000000-mapping.dmp

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memory/2196-154-0x0000000000000000-mapping.dmp

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memory/2540-138-0x0000000000000000-mapping.dmp

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memory/3488-135-0x0000000000000000-mapping.dmp

Download
memory/4112-133-0x0000000000000000-mapping.dmp

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memory/4244-143-0x0000000000000000-mapping.dmp

Download
memory/4256-151-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads