78c72870895db7e07205f66515ace0dd520cb969032df825d98bec2947fb1300

General

Target

Correct Your Spanish Blunders How to Avoid 99 of the Common Mistakes Made by Learners of Spanish (Jean Yates) (z-lib.org).pdf
Size

1.3MB
MD5

0ac98d966c7c83052514b0b95bfaf917
SHA1

f78bdf03fd50246845b7db51085af9df5c67dd74
SHA256

78c72870895db7e07205f66515ace0dd520cb969032df825d98bec2947fb1300
SHA512

636eea4e6aab3d5de11ccd717372af3317e1fd99aa4af23af72dee947ec506efcd01effcb5a65cee2176c1ddf24c8ac3cb75fc2b8a1907f042098ac2d0a0ca06

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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid	process
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
3460	AcroRd32.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe
4552	AdobeARM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3460 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

3460 AcroRd32.exe
3460 AcroRd32.exe
3460 AcroRd32.exe
3460 AcroRd32.exe
3460 AcroRd32.exe
3460 AcroRd32.exe
4552 AdobeARM.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3460 wrote to memory of 4980	3460	AcroRd32.exe	RdrCEF.exe
PID 3460 wrote to memory of 4980	3460	AcroRd32.exe	RdrCEF.exe
PID 3460 wrote to memory of 4980	3460	AcroRd32.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5104	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	RdrCEF.exe	RdrCEF.exe
PID 4980 wrote to memory of 5116	4980	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\Correct Your Spanish Blunders How to Avoid 99 of the Common Mistakes Made by Learners of Spanish (Jean Yates) (z-lib.org).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:3460

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:4980

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=AE28F0FE0961E3BB3DA5B4CFD3729A07 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5104

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=BEB54C6D52E26EAB3C83BF5D2CB4B5EC --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=BEB54C6D52E26EAB3C83BF5D2CB4B5EC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
3⤵
PID:5116

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=C7A45A1FC7F6AD97251FAB2FBD60AA5E --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4892

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=4D4F9DC71AACC26A49944A12AA906753 --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=4D4F9DC71AACC26A49944A12AA906753 --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3428

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=A05BE881882286601B1E1049066C6F4C --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4588

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=7104BDEE8C518EBA071123B34C729B5B --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4360

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:4552

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:3544

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

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Downloads

memory/3428-143-0x0000000000000000-mapping.dmp

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memory/3544-154-0x0000000000000000-mapping.dmp

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memory/4360-151-0x0000000000000000-mapping.dmp

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memory/4552-153-0x0000000000000000-mapping.dmp

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memory/4588-148-0x0000000000000000-mapping.dmp

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memory/4892-140-0x0000000000000000-mapping.dmp

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memory/4980-130-0x0000000000000000-mapping.dmp

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memory/5104-132-0x0000000000000000-mapping.dmp

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memory/5116-135-0x0000000000000000-mapping.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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