7721b6505837f290c5a7789f7d390971b40c08765587572d0c0558b80c7c00bf

General

Target

file.pdf
Size

3.0MB
MD5

c74080550fcdac44db1c498197f7a9f1
SHA1

2e7e61504847d44c5aa9193c0b979277a5a966e4
SHA256

7721b6505837f290c5a7789f7d390971b40c08765587572d0c0558b80c7c00bf
SHA512

830bc14012b0a01590ae5979a01a9bdd4c01e78c642ca300ac340c0e25bde33c32e17f13bfa96f5d8e0cc53f7afa5817b8f27cd0e24ef56b7bcbba875b24d803
SSDEEP

49152:BknNnBzlo2f6iz+/AphAd1/4VcT+AHZXh23MCRsc2Dft9iHQwmyCf+u:BEzPSJd1/oIRXCsc2btYHQwmyCfV

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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1688 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

1688 AcroRd32.exe
1688 AcroRd32.exe
1688 AcroRd32.exe
1688 AcroRd32.exe
1688 AcroRd32.exe
1688 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1688 wrote to memory of 3620	1688	AcroRd32.exe	RdrCEF.exe
PID 1688 wrote to memory of 3620	1688	AcroRd32.exe	RdrCEF.exe
PID 1688 wrote to memory of 3620	1688	AcroRd32.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 8	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	RdrCEF.exe	RdrCEF.exe
PID 3620 wrote to memory of 4728	3620	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\file.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:1688

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:3620

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=7952E22587D7CB3450E3CB7007A029DC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:8

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=1C950040C708C54FFC3BA87FCC69D2B1 --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=2 --enable-main-frame-before-activation --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=1C950040C708C54FFC3BA87FCC69D2B1 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4728

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=5BE400028F79305AB58A9E10151FFA47 --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=2 --enable-main-frame-before-activation --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=5BE400028F79305AB58A9E10151FFA47 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2716

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=188A73E0B22BD07F3A53501FC1F92BB7 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4736

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=7DAFD16D60840FF3F1A487FE2D77B23A --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3264

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=42D803BBC49EC2C3792DEE273B09629C --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2280

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
64KB

MD5
a22ab36d99836889525cc1f1f7a0eaf3

SHA1
fc5140eee60853bb43ae9c40d47ed7ef040841a1

SHA256
c83e1821c649aeb920c8dc8b0ba362371a00a9bc0db55ea94a8351bb8b2c1c1d

SHA512
7bcf672d6d83f946a8d435320925d57afadec931e6bd02920ecdf75728701c07715494432e5185fec80993235e8a70243cd3efc9913ef1bf45080e66c1208c69

Download Submit
memory/1688-159-0x000000000BB80000-0x000000000BBA1000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads