86860ecafbd8077fae49fdbd78485a9de18a7e88d45c3dc13078b463492a0768

Analysis

max time kernel
141s
max time network
144s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
24/04/2024, 08:37

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General

Target

6500265599.pdf
Size

363KB
MD5

e7bb59414ece6725c6934f6e90144132
SHA1

b3a48210165bcdca2accbcba0b7ba0c415bbc007
SHA256

2dcf5ca8dadfa0087c144ce66d5045490bff31a0d9d71f41fdb56d4a231b1e71
SHA512

5cfd4f3ef9725b02d052a86786189dd7309d771d0f19399248ef7acd655a5ea00acae4fe1827e806e976af98839269d2ad3660059f970af284b7a79417c4cbad
SSDEEP

6144:JV1CcQN8dXCa2lUFuKk/ihvjYXSjbJmENH3vdcbzoU04MhpEEhyPN5RIMO:J6cQ4Xh2GFu96hvj0S5XF00ThSEhyVY

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-1-5-21-2718508534-2116753757-2794822388-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 880	760	AcroRd32.exe	80
PID 760 wrote to memory of 880	760	AcroRd32.exe	80
PID 760 wrote to memory of 880	760	AcroRd32.exe	80
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 2216	880	RdrCEF.exe	81
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82
PID 880 wrote to memory of 1808	880	RdrCEF.exe	82

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\6500265599.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:760
- 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:880
- - 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=46577EE0818005290C603B7B164B34AE --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2216
- - 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=A388866B575DC899922ADDEDE28DA562 --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=A388866B575DC899922ADDEDE28DA562 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1808
- - 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=E25A260E794F2DB2E6ED59B4B0FA9CB0 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=8EB8C8505EA72C84146E252A767E959E --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000
- - 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=ED0CBD3FCF3171C1111892F312DC3047 --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=ED0CBD3FCF3171C1111892F312DC3047 --renderer-client-id=6 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2020
- - 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=5DC2945737228BA66405333DA1F43A83 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4388

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
d82738e28fd7c0f5bf9e586df2abda85

SHA1
40db6e42c7b49e9f827dac12c8a8ca29ca82b8f4

SHA256
86b6433cbab169c769664716be81b7ab4cdc0668b19707b9368dcb874b1d8617

SHA512
0d01c86d29e03fca7ada18c3c4ff585156c51a04442fe83ce0f01a4a3de215bb11cf82818f8ccd768dc89cd7ee80fe6af41ad11aa770856d22560ab744438914

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
memory/760-26-0x000000000AB80000-0x000000000ABA1000-memory.dmp

Filesize
132KB

Download
memory/760-127-0x000000000BCD0000-0x000000000BF7B000-memory.dmp

Filesize
2.7MB

Download