1fc4cfdc4a304464d33ff5c224bb8f497ac68928bd8cac90d4ab581cf90fa8bc

Analysis

max time kernel
63s
max time network
140s
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_ _また被害妄想ですか......_ _ Twitter.pdf
Size

284KB
MD5

d7ca6197e64d0bae2f7e6209a972758d
SHA1

e850bede7ada7342929b3aba8939371e44d374ff
SHA256

6b6d6ed3e1ab4d4ffcec070c51c023301e79735ef3d921795336ac35bb8df8f1
SHA512

e899bd1ba6bf185510f90718684d9896b7e3f7986fdc62d94c2daa95e8a4f3fe2eb1e56de02de07da4896ae212e4d4fb89bc22f668c2c21d9da65065e624adce
SSDEEP

3072:BHzh9aejS27GPKe4Wq1wgyksxKv6EMl+spVZwVcfo9JoR5:BnRruKea13yksxKJMl+UVAcQbE

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1756 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

1756 AcroRd32.exe
1756 AcroRd32.exe
1756 AcroRd32.exe
1756 AcroRd32.exe
1756 AcroRd32.exe
1756 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1756 wrote to memory of 4168	1756	AcroRd32.exe	RdrCEF.exe
PID 1756 wrote to memory of 4168	1756	AcroRd32.exe	RdrCEF.exe
PID 1756 wrote to memory of 4168	1756	AcroRd32.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 1388	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	RdrCEF.exe	RdrCEF.exe
PID 4168 wrote to memory of 212	4168	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_ _また被害妄想ですか......_ _ 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:1756
- 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:4168
- - 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=A4E51986F7B6B850321AAD9FDF7C0D31 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1388
- - 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=BC1F8ED0598615590FCD9C51F648F2E3 --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=BC1F8ED0598615590FCD9C51F648F2E3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:212
- - 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=90AEB74820D8CA42B470ED4C75ECEA1F --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=90AEB74820D8CA42B470ED4C75ECEA1F --renderer-client-id=4 --mojo-platform-channel-handle=2052 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1200
- - 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=6B80D8A32890814AD20997F5F954FCBC --mojo-platform-channel-handle=2436 --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=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=E4C425640C9DE32EA55ACE1DE64F95E9 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2344
- - 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=5295C3C336CE20B4CB0E682B242AB878 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3532

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/212-137-0x0000000000000000-mapping.dmp

Download
memory/1200-142-0x0000000000000000-mapping.dmp

Download
memory/1388-134-0x0000000000000000-mapping.dmp

Download
memory/2344-150-0x0000000000000000-mapping.dmp

Download
memory/3228-147-0x0000000000000000-mapping.dmp

Download
memory/4168-132-0x0000000000000000-mapping.dmp

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memory/4884-153-0x0000000000000000-mapping.dmp

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