a18ecc5b60a1998a147e6bdd11b231c3c3bfcc26abac96a68b04eb1fe6f7d737

General

Target

Stoichiometry (Multiple Choice) QP.pdf
Size

620KB
MD5

ede84aaaa82a1058e829898b54e07278
SHA1

2bf21597467067fd26dcb5bd63bfb090abd894ad
SHA256

a18ecc5b60a1998a147e6bdd11b231c3c3bfcc26abac96a68b04eb1fe6f7d737
SHA512

e497cc5d796a858f94a516ca67c5c5664d3cd5dfe72be4d16ed5133dbf0e6fb8745481b386ef09f7f3650292d0fba07b74d94231e22d563204edd1524bccf862
SSDEEP

12288:kqHVvDXBnT8PJdGUXDVxce1HCj8YaTQrR2wUIkh:X9r98PJdGUXDVxceOAQrR2wsh

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1516 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

1516 AcroRd32.exe
1516 AcroRd32.exe
1516 AcroRd32.exe
1516 AcroRd32.exe
1516 AcroRd32.exe
1516 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1516 wrote to memory of 4308	1516	AcroRd32.exe	RdrCEF.exe
PID 1516 wrote to memory of 4308	1516	AcroRd32.exe	RdrCEF.exe
PID 1516 wrote to memory of 4308	1516	AcroRd32.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5116	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	RdrCEF.exe	RdrCEF.exe
PID 4308 wrote to memory of 5004	4308	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\Stoichiometry (Multiple Choice) QP.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:1516
- 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:4308
- - 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=CE9F2BC529C6477BDA43397A42032BF1 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AADF78858048426FE2EEFAC3B129C289 --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=AADF78858048426FE2EEFAC3B129C289 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5004
- - 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=C4C87842A556E6840473D16F2DDB0A0F --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=F3E2A97382BE98F5FB1962188D92E53D --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=F3E2A97382BE98F5FB1962188D92E53D --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3676
- - 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=D0E33F05E92661695A20C1948EA55F91 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=00877B38B12BA7FDA9A213828D7476B5 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3332

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

memory/1380-150-0x0000000000000000-mapping.dmp

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memory/3504-142-0x0000000000000000-mapping.dmp

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memory/3676-145-0x0000000000000000-mapping.dmp

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memory/4252-153-0x0000000000000000-mapping.dmp

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memory/4308-132-0x0000000000000000-mapping.dmp

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memory/5004-137-0x0000000000000000-mapping.dmp

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memory/5116-134-0x0000000000000000-mapping.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads