1fc4cfdc4a304464d33ff5c224bb8f497ac68928bd8cac90d4ab581cf90fa8bc

Analysis

max time kernel
77s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2022 16:50

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General

Target

証拠/morigoooo2/ごんもり on Twitter_ _こいつ頭悪そうやなwww_ _ Twitter.pdf
Size

330KB
MD5

4cd27ed8c506df34394d8d8785f6b7cc
SHA1

5a92f1832a75fe7b0659b93e738d7a0e60832bc8
SHA256

7c452eebd8cd5ec2194fd84bfc48c0dbaa99c1284571369bb2d397953b652c3b
SHA512

1182a8a18edb9f6e62646404c575c26b9abddf5906c2dd25a3c5827c82e529feeaf10f94d87461ff89ec308d6e4ac6a3510e717d2cc608107a3a46593917d08e
SSDEEP

3072:rWiA2VzCVuBv+jbJ8ELEvp5eGawaPSwqpngDhlKkxk9ckwR4yxtVsM7AVU5EnsO7:aitVOoYi2e5zaPzqpqlKczkItVsSAJ1

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2200 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2200 AcroRd32.exe
2200 AcroRd32.exe
2200 AcroRd32.exe
2200 AcroRd32.exe
2200 AcroRd32.exe
2200 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2200 wrote to memory of 4708	2200	AcroRd32.exe	RdrCEF.exe
PID 2200 wrote to memory of 4708	2200	AcroRd32.exe	RdrCEF.exe
PID 2200 wrote to memory of 4708	2200	AcroRd32.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 1528	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	RdrCEF.exe	RdrCEF.exe
PID 4708 wrote to memory of 3720	4708	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\証拠\morigoooo2\ごんもり on Twitter_ _こいつ頭悪そうやなwww_ _ Twitter.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:2200

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:4708

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=24BE40077020DCD7CEF7900D4A4BAD06 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1528

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=3982F7D978FD979307748F6917EAA918 --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=3982F7D978FD979307748F6917EAA918 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3720

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=EDE2DA852A2485F25F1E3EA0AFF4675B --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=EDE2DA852A2485F25F1E3EA0AFF4675B --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3640

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=6D1C645F4BCDBE57D0F2439E0F17A05B --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3496

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=ABBFD9F3E75346515B6B65211D242721 --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2436

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=73F00E0AB2F89579A7C7880284FF90C3 --mojo-platform-channel-handle=2860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1528-134-0x0000000000000000-mapping.dmp

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memory/1804-153-0x0000000000000000-mapping.dmp

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memory/2436-150-0x0000000000000000-mapping.dmp

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memory/3496-147-0x0000000000000000-mapping.dmp

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memory/3640-142-0x0000000000000000-mapping.dmp

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memory/3720-137-0x0000000000000000-mapping.dmp

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memory/4708-132-0x0000000000000000-mapping.dmp

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