05d9cf0b21ed95bd03e57b07f2db51691f2e7bd2858c49fa671840fc7b15dac4

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:26

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General

Target

1b641e00614e9a93212e2d71b78f20e9.pdf
Size

91KB
MD5

1b641e00614e9a93212e2d71b78f20e9
SHA1

6417bdfe79944b0ddb85e7311a9b2edf68bd393b
SHA256

05d9cf0b21ed95bd03e57b07f2db51691f2e7bd2858c49fa671840fc7b15dac4
SHA512

baf3c1ad15313169ecf4f4c1e13becdc0afcb0f149231d32ced608a381ddd9828846db9f99a92d2a19668384057b153802b14a5dca44740e2fb00d8e887a5036
SSDEEP

1536:EpcxgZULBCIBQD/naV47kqU3L4FO7vWOpOaZQw/EW8gkaNQdkv:WZULBCkFa7kqUHAaZQw/wgkWL

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2304	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 3800	2304	AcroRd32.exe	92
PID 2304 wrote to memory of 3800	2304	AcroRd32.exe	92
PID 2304 wrote to memory of 3800	2304	AcroRd32.exe	92
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 5032	3800	RdrCEF.exe	93
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94
PID 3800 wrote to memory of 3640	3800	RdrCEF.exe	94

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\1b641e00614e9a93212e2d71b78f20e9.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:2304
- 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:3800
- - 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=7991E08C378DB1748C604EEBA57E91BC --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=617449A89734F0A8DDD299E28B53CFD9 --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=617449A89734F0A8DDD299E28B53CFD9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3640
- - 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=2052C78022CFFE55D3A5337623F41365 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992
- - 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=24E4D0734F8516D3C91FDEAEA0548FB9 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=92F07B7EE13650974755C0AFF9DD8C0F --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=92F07B7EE13650974755C0AFF9DD8C0F --renderer-client-id=6 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1968
- - 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=784AD51B32385EB1AFFBE682CFED98D3 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1872

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2220

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
2bfb70b240a80b87bbaf470506fdba2a

SHA1
b54f2ddba379769bdb2bf6b58192d8c6bc4f46ec

SHA256
2d4a8e3f33ec0b9f3c4d65532502b742ce695a43956d04de0aee158738afdae2

SHA512
5bc2baf853ee701cde8e6593320844c230e48a34be6b6bde92585849ca61b920a7334d9789c3edfbafca61a4e0aa7ea4b41be375a99c671a676198d5fb853f6a

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit