8c24a7e1465b461afccec7776e6eab96de7ba3690817fb46dc7e4c8e22b3648c

General

Target

attachment20220806-25946-17lak7.pdf
Size

14KB
MD5

dafd80ae261beb6b4663488455bcdcb0
SHA1

6b093146d8e5a411ec643ec68b7bf6789d7f8c92
SHA256

8c24a7e1465b461afccec7776e6eab96de7ba3690817fb46dc7e4c8e22b3648c
SHA512

ab8c5320e34fe30f0f70cdc90681dd288fc756ae17d3596b8f9a38297b5e6758e2e4a9681306dbf0f30813a3a40e8de231be1ff6c56bbdbb30d48e10a2c9ea7c

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-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4952 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4952 AcroRd32.exe
4952 AcroRd32.exe
4952 AcroRd32.exe
4952 AcroRd32.exe
4952 AcroRd32.exe
4952 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4952 wrote to memory of 2368	4952	AcroRd32.exe	RdrCEF.exe
PID 4952 wrote to memory of 2368	4952	AcroRd32.exe	RdrCEF.exe
PID 4952 wrote to memory of 2368	4952	AcroRd32.exe	RdrCEF.exe
PID 4952 wrote to memory of 4296	4952	AcroRd32.exe	RdrCEF.exe
PID 4952 wrote to memory of 4296	4952	AcroRd32.exe	RdrCEF.exe
PID 4952 wrote to memory of 4296	4952	AcroRd32.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 4380	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	RdrCEF.exe	RdrCEF.exe
PID 2368 wrote to memory of 1100	2368	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\attachment20220806-25946-17lak7.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:4952

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:2368

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=31C884CDFCF736B37FE131BB43BB0D5E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4380

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=9C4AAD29771FE05A1792C61CB9D21556 --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=9C4AAD29771FE05A1792C61CB9D21556 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1100

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=A1B8EC0FEC119CFA8FC567E3074A3AB4 --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=A1B8EC0FEC119CFA8FC567E3074A3AB4 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2980

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=097014B8B2B34EF5FFADB71969B86DC0 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2804

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=2586653C155E1F2A380A5E240FF442A5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1668

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=D48343397ABA9A0F903C6B8FDF877C42 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2636

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:4296

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/1100-138-0x0000000000000000-mapping.dmp

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memory/1668-151-0x0000000000000000-mapping.dmp

Download
memory/2368-132-0x0000000000000000-mapping.dmp

Download
memory/2636-154-0x0000000000000000-mapping.dmp

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memory/2804-148-0x0000000000000000-mapping.dmp

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memory/2980-143-0x0000000000000000-mapping.dmp

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memory/4296-133-0x0000000000000000-mapping.dmp

Download
memory/4380-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads