1fc4cfdc4a304464d33ff5c224bb8f497ac68928bd8cac90d4ab581cf90fa8bc

Analysis

max time kernel
77s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2022 16:50

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General

Target

証拠/gontamorin/もるごんさんはTwitterを使っています_ 「無能発見」 _ Twitter.pdf
Size

327KB
MD5

d21d2d51fcb63d8438ba28431f4f650f
SHA1

7529a74b9cc70c6c155339b8ccea9e1e21cea9c9
SHA256

bcd1e44cc20b49581095669937597a246c988549fc4ab79ee7e618311b2e7d47
SHA512

e84fc356e36c22b9db613df565d00e23b5881b96db8f4a682c1abb54fa55989a4760fbe64205a25c839984e546b7dbce25bccb8cf1b6d16e7504356e6c1023f4
SSDEEP

3072:jpDIDaWrhSYYDq3aSPZ+JOoJX/AX35ap2x7ozEZwcBGjjlZo3rXe+MNaAO6ROZcw:dIr4W3aSI0J3+1cBGjsbGNXOWOZcw

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2044 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2044 AcroRd32.exe
2044 AcroRd32.exe
2044 AcroRd32.exe
2044 AcroRd32.exe
2044 AcroRd32.exe
2044 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2044 wrote to memory of 3604	2044	AcroRd32.exe	RdrCEF.exe
PID 2044 wrote to memory of 3604	2044	AcroRd32.exe	RdrCEF.exe
PID 2044 wrote to memory of 3604	2044	AcroRd32.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 2564	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	RdrCEF.exe	RdrCEF.exe
PID 3604 wrote to memory of 3228	3604	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\gontamorin\もるごんさんはTwitterを使っています_ 「無能発見」 _ 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:2044
- 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:3604
- - 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=8F6FA3C22A8866FDDC6B4151594BA536 --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=8F6FA3C22A8866FDDC6B4151594BA536 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2564
- - 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=2FC98E6A639DFDDAEC8CE18DB7D1865B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3228
- - 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=009A95AD0F0B750023EBCB9321A60F96 --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=009A95AD0F0B750023EBCB9321A60F96 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:856
- - 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=2A86F61F2DAFFCBA0C8DA547CDD51FCF --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3308
- - 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=D58A1DC9FF895E8B23D2CA82BDAF6AE8 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=3EFE8D2E7008A03C556C76BDBD607DF9 --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2424

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:492

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

Replay Monitor

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Downloads

memory/856-142-0x0000000000000000-mapping.dmp

Download
memory/2424-153-0x0000000000000000-mapping.dmp

Download
memory/2564-134-0x0000000000000000-mapping.dmp

Download
memory/3228-137-0x0000000000000000-mapping.dmp

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memory/3308-147-0x0000000000000000-mapping.dmp

Download
memory/3604-132-0x0000000000000000-mapping.dmp

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memory/4968-150-0x0000000000000000-mapping.dmp

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