951def98e0d77f87b9a8593a90bf9b9d92a2d582a0f561963460f773cad12930

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 22:10

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General

Target

e036fb88610d4f55c7f733f4c8407665.pdf
Size

85KB
MD5

e036fb88610d4f55c7f733f4c8407665
SHA1

f3382bf7707c43558411db602cd58d0026d9518e
SHA256

951def98e0d77f87b9a8593a90bf9b9d92a2d582a0f561963460f773cad12930
SHA512

34132a71e0c01a98f26cd7381d9ee8ceefe53f85541edc2e28fff0f611fd16eb3cf168fe9735079cac37dde2d2973fb2ae25c2d4cd0e578e4c8517c73d1b0778
SSDEEP

1536:F90Pvx1Abjn3xbyoav5QVTp+O8f1Fb3NuEe1rMfOEtjGRIugWbJtxvUoW6pOu2Z4:r0nxe3wviLJ8fzRuWfFGR9Td8xu2qF

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 384	3764	AcroRd32.exe	89
PID 3764 wrote to memory of 384	3764	AcroRd32.exe	89
PID 3764 wrote to memory of 384	3764	AcroRd32.exe	89
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 3068	384	RdrCEF.exe	90
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91
PID 384 wrote to memory of 4632	384	RdrCEF.exe	91

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\e036fb88610d4f55c7f733f4c8407665.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:3764
- 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:384
- - 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=91253D00F11B498E3D3B6286D3DB799E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3068
- - 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=D6C75295E99C70EA6A5182FCB63CC9FE --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=D6C75295E99C70EA6A5182FCB63CC9FE --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4632
- - 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=B81ADC9810A0FB65C66D6C8F3155520B --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=B81ADC9810A0FB65C66D6C8F3155520B --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3056
- - 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=9985AD08730AE8BCAE81B6000D5F3C7D --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768
- - 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=6E0704FCBF235EBD9E58F7043769B038 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=60DE6EB6F993C76912F8A9AD9F7C6781 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2384

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

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Downloads

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

Filesize
64KB

MD5
c3d3d9c075cf17d743a09ddcaabad368

SHA1
c5c4bf68b71e4d44555a932648f5566a184a0b76

SHA256
c4ef4b0885fa28eca5edca7f8b4997239cddb046b66a649c9e16edfb11735825

SHA512
9092667642507a50e53d469e7149f4b71d09a4deed6b3fbc13800430fe2e2f21bb6cef757083fee4e57fcaa8b1365ffa25ec181db91000bfdbc6c629540576fb

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