7c983f80e905cac871c8bd680c40a09bb803d6783236d3929f6defcbd8a08093

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 05:46

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General

Target

58227465b44bce8419db77560f91cadc.pdf
Size

43KB
MD5

58227465b44bce8419db77560f91cadc
SHA1

e537e44d7f1b48359e4bf747f53f1cea6c286135
SHA256

7c983f80e905cac871c8bd680c40a09bb803d6783236d3929f6defcbd8a08093
SHA512

d93c5619eb9e0c8498f58262e1db7079ceb6940eb7c502a859ea646542eee7990d5dd14d6e147a73fed719c040b1d23db22dd8429732b279b23f66c03f9ed569
SSDEEP

768:4HFWiQG/9begjaSnbq6fZmNCZ4qQmtdnTwXDfR7kNJNI:4lQc9bWQpD/TwX97k7NI

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1500	1680	AcroRd32.exe	93
PID 1680 wrote to memory of 1500	1680	AcroRd32.exe	93
PID 1680 wrote to memory of 1500	1680	AcroRd32.exe	93
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4920	1500	RdrCEF.exe	95
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 4248	1500	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\58227465b44bce8419db77560f91cadc.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:1680
- 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:1500
- - 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=9CF0A9EE57CE0DC253AAF218D5D66A61 --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=9CF0A9EE57CE0DC253AAF218D5D66A61 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4248
- - 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=66F7A819F4B2F4756C5F5B528EBF8EA6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=90D7CAEAAD17DAD31490F1B7FDA62D4B --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=6B304E4D6DA5753C694CF978384C72A5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076
- - 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=AF79C26FB51D2704A73AEC161DF3AE52 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2620
- - 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=F2E15D1C9D2F1F25AF1A592883A9C532 --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=F2E15D1C9D2F1F25AF1A592883A9C532 --renderer-client-id=8 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2864

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
97fb656fe9973eec8ddbc0a9d32d87aa

SHA1
d576ab81af703b82e9d157d64ccb6da7d6bfd2ee

SHA256
36a3c223a5c104229931c0033c3bfae40a34c80f48eaa0eaf9fcb2947fd181dc

SHA512
d92a8d29c2f1227fe2e3ad14ac909a5aeff17dda59d0757734a09a8b98ced1baa8219eb6bbbe3bbba87f3650e8f64e4fedc8dcd6986212ff0ea4f34456509592

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