d1ea731b83af9769d74d134266e51cf6760807c6df5ae7ad9ddf691fe69e4f3a

General

Target

gao-21-108 Defense Production Act.pdf
Size

552KB
MD5

19e8923a2fb1b46f0f8d456c8ae89ee0
SHA1

46db86c910e32f8231043f7f7cfc2a4419c154d2
SHA256

d1ea731b83af9769d74d134266e51cf6760807c6df5ae7ad9ddf691fe69e4f3a
SHA512

26d5b1a0b94b2e445af522a488e36dc71904d26af90543d338d9c09672b9a7b64d5d36233579787d474271a488de9cbed7739dbaa440997978f88474efa40545

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4940 4432 WerFault.exe

pid	pid_target	process	target process
4940	4432	WerFault.exe

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 24 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid	process
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
1620	AdobeARM.exe
1620	AdobeARM.exe
1620	AdobeARM.exe
1620	AdobeARM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4904 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

4904 AcroRd32.exe
4904 AcroRd32.exe
4904 AcroRd32.exe
4904 AcroRd32.exe
4904 AcroRd32.exe
4904 AcroRd32.exe
1620 AdobeARM.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4904 wrote to memory of 1408	4904	AcroRd32.exe	RdrCEF.exe
PID 4904 wrote to memory of 1408	4904	AcroRd32.exe	RdrCEF.exe
PID 4904 wrote to memory of 1408	4904	AcroRd32.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 4896	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	RdrCEF.exe	RdrCEF.exe
PID 1408 wrote to memory of 3572	1408	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\gao-21-108 Defense Production Act.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:4904

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:1408

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=CDEABA1AFB9CCEAD2D3262AD5524C9B1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4896

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=8E24F153123FDEA2FCAD24DADEA9669D --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=8E24F153123FDEA2FCAD24DADEA9669D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3572

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=766F2D82F88D660A9634D36245EA5B92 --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=766F2D82F88D660A9634D36245EA5B92 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4500

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=91582A70DCA59D8B03BE72902D78816E --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2152

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=A7999254A0975A70EA62D907E67D41B6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1432

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=FDC09E942CF630B7CCD9FAE9A1571CC8 --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4788

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:1620

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:3248

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4268

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 416 -p 4432 -ip 4432
1⤵
PID:2152

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4432 -s 1128
1⤵
- Program crash
PID:4940

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/1408-130-0x0000000000000000-mapping.dmp

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memory/1432-148-0x0000000000000000-mapping.dmp

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memory/1620-153-0x0000000000000000-mapping.dmp

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memory/2152-145-0x0000000000000000-mapping.dmp

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memory/3248-154-0x0000000000000000-mapping.dmp

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memory/3572-135-0x0000000000000000-mapping.dmp

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memory/4500-140-0x0000000000000000-mapping.dmp

Download
memory/4788-151-0x0000000000000000-mapping.dmp

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memory/4896-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads