750c440be720d2de337e387d93cc2b9ced0a26b68c9feb2737ea553c21659488

Analysis

max time kernel
156s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 11:05

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General

Target

cde713279c2887fc01103de2da5ebec5.pdf
Size

88KB
MD5

cde713279c2887fc01103de2da5ebec5
SHA1

d9813ddb8e9af300dc509c05b872e940b28b6784
SHA256

750c440be720d2de337e387d93cc2b9ced0a26b68c9feb2737ea553c21659488
SHA512

2b626238dbadb494ea7dad87e39d2b811719b9b7387bfde83e1a0a23a88a2a517b6e1d5699e708ad220e2e61d6268be7355a1e2a2a9d1732c22107c5f342c241
SSDEEP

1536:UP1bjMkX9sTEt4kerWuWVXNYMoGn6uW/MZW+I1UaY/WapOtQZE62TaIGfH:ix9sT43qGdYmn6AfI1gQtQZELdG

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 5112	3412	AcroRd32.exe	99
PID 3412 wrote to memory of 5112	3412	AcroRd32.exe	99
PID 3412 wrote to memory of 5112	3412	AcroRd32.exe	99
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 2516	5112	RdrCEF.exe	102
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103
PID 5112 wrote to memory of 4648	5112	RdrCEF.exe	103

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\cde713279c2887fc01103de2da5ebec5.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:3412
- 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:5112
- - 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=1A93D561721A5C240FC046BD3E905A67 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=D6B407769A75E13BAB72941B86B72234 --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=D6B407769A75E13BAB72941B86B72234 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4648
- - 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=D56E31CA1BA5DF9F04A190BEDB11EDDB --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=D56E31CA1BA5DF9F04A190BEDB11EDDB --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3564
- - 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=6C9EA0D3633ED2F15B3BCD16D06CBC0A --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548
- - 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=0CC211E15025BF0A49E87036517F8818 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3200
- - 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=83CBC127E4D122D3CE6E795936FA2CFD --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3000

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4132 --field-trial-handle=2304,i,7548677271533893574,11048237606705436109,262144 --variations-seed-version /prefetch:8
1⤵
PID:5612

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
cb0f5ef52443370b900d36710cee26aa

SHA1
20656f309da7a753b8f5854d630355ea55730232

SHA256
10415a577044f640f13d93b06921a708e0c57439faa50335bf3e0c9efa8b2e24

SHA512
381de1aaafe24c9e3a3686df905a73a2fd43f2ba61d45db337ef8e53cd34574433662151bd25ec0769251f8b2e7d7e211988caf69404f54152e65468caa1ccbd

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