78366390cd4e3db89e06009fce54df272bee0d3b34003f3a786c4835239bfdff

General

Target

W9 Form 2018.pdf
Size

129KB
MD5

a73738d335ef3abb155cc9dafbebdf57
SHA1

71ee45828ff690bbfcdbd9b35aea58d48d9e8594
SHA256

78366390cd4e3db89e06009fce54df272bee0d3b34003f3a786c4835239bfdff
SHA512

d651b898350767d8a81b7fc65181dfdbe1a1f17bd77ba9c708d753470702c596851ea4557bd4d9065ecce64bab0b7b433ccf1b8e77f5ffaf2e82c70c9a48c6ce
SSDEEP

3072:UVilYC32TlkA8VxiQNgAROHMQSJSFhasszU:Ur78DiQGARONGo

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

632 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exe

pid process

632 AcroRd32.exe
632 AcroRd32.exe
632 AcroRd32.exe
632 AcroRd32.exe
632 AcroRd32.exe
632 AcroRd32.exe
632 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 632 wrote to memory of 264	632	AcroRd32.exe	RdrCEF.exe
PID 632 wrote to memory of 264	632	AcroRd32.exe	RdrCEF.exe
PID 632 wrote to memory of 264	632	AcroRd32.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4372	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1432	264	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\W9 Form 2018.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:632

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:264

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=A2E82E659C7603A69E46213D0E1C6DA0 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4372

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=7D5450AB6EF959E727DDE7856E0206F1 --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=7D5450AB6EF959E727DDE7856E0206F1 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C67F92793F95F4C143198DE39D18641D --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=C67F92793F95F4C143198DE39D18641D --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1904

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=EFA3C444F6722BDEEE6294C70F53906C --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4188

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=655EC180BF489F1B11843E67B7146849 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4232

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=5750F821020366EEBD1FED0B1A89C5FA --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4432

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
e51c09f087465d4d99e96fa8104e4f49

SHA1
cab56366d0cfe0454e77a03f4ec863502e96ae5f

SHA256
62f91f2ee6f01b364a47753800986b7e3a3514cf9fd9f779a7ffdb1a9f761328

SHA512
a8f77fb61d13b210cc9e4eabf6e5b7eeea087521e550afd4fa986f47f44e9705bbb7eaf5b25208a9ddd20a13eac9458259fbe9ceb5ad146abc4b2ff9201c6135

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C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
1499f9bf04e74df098bda0533c3377ea

SHA1
5160cd0736e2fe4a475def5c3d6a193c24679d81

SHA256
f7baf4fd63fe64111d3a1a532fd7e1b8a404eb63b9524d40660f8bfeb671d0f8

SHA512
1dac5fe6f78d2fee00799bd3c7f17271855998018e85760eee102643865f226ffdde5d201c8182e87640f5c2129bb5483a81196f2aa058f6076d41ac23717bf0

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads