0f2e8dd6b027bf34f7e2217bec9a7976ceb9e5627b3d6ee9895452ff2f679f4b

General

Target

CV_Yu_Ting_Hsiung.pdf
Size

120KB
MD5

429d5a4b847d11fe24fc4c7a8377c032
SHA1

b06387f8a3d663686571a2c1f14573dd38f1e502
SHA256

4d77e472404edf1b36a2b2784de383288c68649c9efcafef144257498f1db5ed
SHA512

c57eb3257310b28f6b4990ba62ce7125169deb3730f44586a0aae611cd3d9f5a401624a777354ae37aa210959d759f3970fd90c9abab546e64c6358817513e1e
SSDEEP

3072:oHmfbtTTd1aFES6IMaaFXMpQHdAb4wdE121oArT+o/APH:oHwbtT5cF577pQHdAbe12CMX/APH

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
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1488 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

1488 AcroRd32.exe
1488 AcroRd32.exe
1488 AcroRd32.exe
1488 AcroRd32.exe
1488 AcroRd32.exe
1488 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1488 wrote to memory of 2104	1488	AcroRd32.exe	RdrCEF.exe
PID 1488 wrote to memory of 2104	1488	AcroRd32.exe	RdrCEF.exe
PID 1488 wrote to memory of 2104	1488	AcroRd32.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 1404	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	RdrCEF.exe	RdrCEF.exe
PID 2104 wrote to memory of 3392	2104	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\CV_Yu_Ting_Hsiung.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:1488

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: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=E8B548823F965139ECA0ED8C14E80720 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1404

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=2B350DA9C7DFDC16B5BF6CEC603E82D7 --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=2B350DA9C7DFDC16B5BF6CEC603E82D7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3392

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=0F1147F5F473D3862F02BC3B9CFB037C --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4424

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=97E7BF2BC310115543DE71E2AA9DD0DF --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=97E7BF2BC310115543DE71E2AA9DD0DF --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1968

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=2DA1BAE5DA1A1CBD800E9D8E3F583B9F --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3380

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=556727953219DA195BC9E7C260650E14 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2504

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/1404-134-0x0000000000000000-mapping.dmp

Download
memory/1968-145-0x0000000000000000-mapping.dmp

Download
memory/2104-132-0x0000000000000000-mapping.dmp

Download
memory/2504-153-0x0000000000000000-mapping.dmp

Download
memory/3380-150-0x0000000000000000-mapping.dmp

Download
memory/3392-137-0x0000000000000000-mapping.dmp

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memory/4424-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads