59e72551a4b46cc31a5b5ae55ca37d2a3a9393c787775c435b0c3e3dc4ba9081

Analysis

max time kernel
91s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2022, 19:00

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General

Target

attachment20220906-21597-6gb1up.pdf
Size

155KB
MD5

e4f7a4881be76fe1719d6f25caa15dc9
SHA1

76eefb0551db23bfcf2e4cfc63b379ebc7166de0
SHA256

59e72551a4b46cc31a5b5ae55ca37d2a3a9393c787775c435b0c3e3dc4ba9081
SHA512

adde627ab01007f97d98e5eea4e7b31b770b713d3e5a92d5b6bebc678e2968614db8cab3e7b6d51b9f79aac129cbdaa51f040854159fe54959ecf7d60a5b3abd
SSDEEP

3072:E6xF7mCaq08GQYSEvaKS/Ij6a6ttAutfpy2361mM:5XaCjYHvm/Ijl6vAuthhDM

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

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 3740	1312	AcroRd32.exe	83
PID 1312 wrote to memory of 3740	1312	AcroRd32.exe	83
PID 1312 wrote to memory of 3740	1312	AcroRd32.exe	83
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 4812	3740	RdrCEF.exe	84
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85
PID 3740 wrote to memory of 936	3740	RdrCEF.exe	85

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\attachment20220906-21597-6gb1up.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:1312
- 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:3740
- - 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=009C6F1A809A3C26C0AB53C29D4D2A42 --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=009C6F1A809A3C26C0AB53C29D4D2A42 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4812
- - 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=4FA474338666502C7CBC3B1AB1373234 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:936
- - 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=39F51F5B4AD228775FB996A2A1DB38E5 --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=39F51F5B4AD228775FB996A2A1DB38E5 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4288
- - 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=78A23164EAF2BC5BF2FF3B398EEE0227 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2036
- - 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=11F48AD1E2986E421842C9BD98E44948 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=EC3E496E4AC7B319D4FF5CE6259A6532 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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