a481ed7d53b611ddf102eb317000437596a15222c760feafa594150f1688cf56

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2023 05:25

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General

Target

使用说明（必读）.pdf
Size

144KB
MD5

af0b18ba02042a352de8e14eba895a01
SHA1

12407c940714c89f6a948c823666131f2108353e
SHA256

de486ec86555cc619e28740a223d8f084c43aad5fcf443834aae5d38ac639206
SHA512

121f7316ad1fabda7f090a339e632349df300b7e975b9ef02e32375f68c60708c4f089fd66407e625ba4301be34145fa3c1edbe0e47529422dd79d9e912fb5f1
SSDEEP

3072:UVBngiqOQkpyFjYOCMCgKz4SKvRjt0mgMx8dQYFYdE7ghaM:CBgHOQkqEx4SKvRx0mgLdQYFYushaM

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 3580	4368	AcroRd32.exe	85
PID 4368 wrote to memory of 3580	4368	AcroRd32.exe	85
PID 4368 wrote to memory of 3580	4368	AcroRd32.exe	85
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 5100	3580	RdrCEF.exe	87
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88
PID 3580 wrote to memory of 2680	3580	RdrCEF.exe	88

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\使用说明（必读）.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4368
- 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:3580
- - 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=E53BFDEA543EA803DB48DA38F479C1DA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=6787EA8870C4DC29282B1BA895124E8C --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=4 --enable-main-frame-before-activation --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=6787EA8870C4DC29282B1BA895124E8C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2680
- - 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=8C8BADE92EB5A3F5AEBF9D3E8A515831 --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=4 --enable-main-frame-before-activation --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=8C8BADE92EB5A3F5AEBF9D3E8A515831 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2676
- - 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=B09ECA51E211D1D995CD9C27D0049050 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - 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=D27A3190C723D6C1C4A6A02B3D249064 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=A59DD42D4802D74A22FFA1F864EA97D5 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2344

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
e9faded133452204125767a644d7b4be

SHA1
0849c2f0d12b59964fa4b1ac8a8abe23cfb23705

SHA256
95a0b20ac8cdfe98b605a007dec726e3ef995d7689a7ee5a3618f76193582511

SHA512
89ea3aecdc69331f7295584c5d4f7ad18636f69ade1566bc4090de879e7ca603abc83450fa97e8503f491522e2a796a35eb095fb5f62174529580049d7fbcbca

Download Submit