02c7025995e6bd45494542a11f115d2184da85936c5b78ed1cce26c0ea1c65be

General

Target

ProofPoint_Documentation_SecureEmail_ExternalUser_August2021.pdf
Size

742KB
MD5

0403aa858f5e5fec5be3f315706e69ca
SHA1

24459d583f1cd33643ca64d43c7485fc220c9ce1
SHA256

02c7025995e6bd45494542a11f115d2184da85936c5b78ed1cce26c0ea1c65be
SHA512

20f143d9baee8d126c061de386f0163af38b4b2102c9883c24798df62928a50c9c813258ed2037bda20ed4fa95a60f368176bd7ba3138afc74cd31aec0973d24

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 20 IoCs

Processes:

AcroRd32.exe

pid	process
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2272 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

2272 AcroRd32.exe
2272 AcroRd32.exe
2272 AcroRd32.exe
2272 AcroRd32.exe
2272 AcroRd32.exe
2272 AcroRd32.exe
1136 AdobeARM.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2272 wrote to memory of 952	2272	AcroRd32.exe	RdrCEF.exe
PID 2272 wrote to memory of 952	2272	AcroRd32.exe	RdrCEF.exe
PID 2272 wrote to memory of 952	2272	AcroRd32.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4448	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	RdrCEF.exe	RdrCEF.exe
PID 952 wrote to memory of 4456	952	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\ProofPoint_Documentation_SecureEmail_ExternalUser_August2021.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:2272

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:952

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=66E26E8FD0AFE5762869FF1DD5607383 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4448

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=581952D2389137DD84310DA9BFB01EC2 --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=581952D2389137DD84310DA9BFB01EC2 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4456

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=6A08A9ECF25948449186F35CF5C33BB0 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2252

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=388493B1DB86ED3199FBB85CD25E8FB3 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1840

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=90BA45318524058E3A8E730100084A9B --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=90BA45318524058E3A8E730100084A9B --renderer-client-id=6 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4276

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=B958F26C1E37192964144684ACD919B9 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1476

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:1136

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:3176

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/952-130-0x0000000000000000-mapping.dmp

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memory/1136-153-0x0000000000000000-mapping.dmp

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memory/1476-151-0x0000000000000000-mapping.dmp

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memory/1840-143-0x0000000000000000-mapping.dmp

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memory/2252-140-0x0000000000000000-mapping.dmp

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memory/3176-154-0x0000000000000000-mapping.dmp

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memory/4276-146-0x0000000000000000-mapping.dmp

Download
memory/4448-132-0x0000000000000000-mapping.dmp

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memory/4456-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads