81c1f9687fb7a0e5be1415547e92638c65095a2cc76af210facf99c82a0357b1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 20:50

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General

Target

great.pdf
Size

118KB
MD5

d707c5f4eb8be9b7d1d0601416095b94
SHA1

d33ddb2599bd99b64b8a235ebf6e4e3fb7a8e581
SHA256

46499c01570146c7c59e905799dab447fe7fa2b6c543455ad1ae8183a0f2ec99
SHA512

2c8270af82ac21a0ffd92044cfe54e2fdc64d92c76e45ed657fe08bc627be9413c488a1fd765e68ad98c54cd5c351473f7e484ea643ed8fd8b3ae2b85741895c
SSDEEP

1536:5O9K9K0506CoyONgjgGVpR4pDbR4FZKwXubdxT3V/09RQ8/QS3W+P2I/8J614X6j:09KD06CxO/WpR4fqK3f+9n/ZQ6nZjCyT

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 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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 2148	3932	AcroRd32.exe	84
PID 3932 wrote to memory of 2148	3932	AcroRd32.exe	84
PID 3932 wrote to memory of 2148	3932	AcroRd32.exe	84
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 3112	2148	RdrCEF.exe	85
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86
PID 2148 wrote to memory of 2664	2148	RdrCEF.exe	86

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\great.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:3932
- 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:2148
- - 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=64313A9356984FB22707B7D4A16BA331 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112
- - 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=C87F980A5452AF9D1BFEB9BC91FDE2D9 --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=C87F980A5452AF9D1BFEB9BC91FDE2D9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2664
- - 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=7564EF2C013B1213FF3A8F48F75A37FD --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452
- - 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=8AD056C76738C8A791E3730233D211C1 --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=8AD056C76738C8A791E3730233D211C1 --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1564
- - 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=6B8CE1A32C9F7ACF09F68A3BB8FFA906 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=2EB72EC2E2CEBDCCF95E31BC2636C9F6 --mojo-platform-channel-handle=2816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
1d5a76ea52f11f6d62f7b93fb53cf53e

SHA1
5f29f1210648c4754ef8d971c66edb48b6c84136

SHA256
566f105f0fb02639490827c56f1dc9907325bd409fccf822b2777fec5f35ccb0

SHA512
e18808f4a27c6430a8f0c038ed10f0e34a7d243bbb9f700e48baedb500a0a74ce3745ec55fb51168d7be60be5ab684f91f341ac93a928b1c5819e6b53458a08e

Download Submit
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