02da23c78e4993da914a20e8e0bbe155fc22ca0dfc8f0d9b5581c88c472621f1

General

Target

sample-pdf-link.pdf
Size

12KB
MD5

27d9654671d25325b332388570a983f2
SHA1

db8e7431023ca650d15291f34b75c0b2dd257655
SHA256

02da23c78e4993da914a20e8e0bbe155fc22ca0dfc8f0d9b5581c88c472621f1
SHA512

97e56cf69064b7c73dbc826dc6798c18ce0c1bc258c169cbfdaefd5f8a6989cb50f56112c733114aec02b268bbf04a7f59670303166cae14219ffe54eafcf264
SSDEEP

192:tjGTYaomgRSfbTdT6Cu9nfi0d5QVf/lba1gZW3oSGMKEKR9rMX4XBJCvHs:UYwlT6j9fiAQVXl224EYIXBJCvHs

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4856 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4856 AcroRd32.exe
4856 AcroRd32.exe
4856 AcroRd32.exe
4856 AcroRd32.exe
4856 AcroRd32.exe
4856 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4856 wrote to memory of 4488	4856	AcroRd32.exe	RdrCEF.exe
PID 4856 wrote to memory of 4488	4856	AcroRd32.exe	RdrCEF.exe
PID 4856 wrote to memory of 4488	4856	AcroRd32.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 2404	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	RdrCEF.exe	RdrCEF.exe
PID 4488 wrote to memory of 3776	4488	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\sample-pdf-link.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:4856

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:4488

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=DF7E5D37A225FDC39DB2CB58A1CEEA6A --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2404

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=3FA70FD76772A61130111F2FED9D6B71 --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=3FA70FD76772A61130111F2FED9D6B71 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3776

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=BE1B4534E6E2C675B1B5A3B2DC6A9BFE --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4708

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=2516D659D9BD103230DBDE7808FF0850 --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=2516D659D9BD103230DBDE7808FF0850 --renderer-client-id=5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3356

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=C35BA8A6785835533F518DCE7445A049 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1960

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=6F83DD2531F3FDB13C299461A304A7E8 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3184

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/1960-150-0x0000000000000000-mapping.dmp

Download
memory/2404-134-0x0000000000000000-mapping.dmp

Download
memory/3356-145-0x0000000000000000-mapping.dmp

Download
memory/3776-137-0x0000000000000000-mapping.dmp

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memory/4488-132-0x0000000000000000-mapping.dmp

Download
memory/4708-142-0x0000000000000000-mapping.dmp

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memory/5008-153-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads