0904a5d4525bc36915a7cd2cd2f3b240ff9a019f8fa5fa910f74e965436f7501

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 12:52

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General

Target

509ae855194cf7729365f7eec6fa7471.pdf
Size

130KB
MD5

509ae855194cf7729365f7eec6fa7471
SHA1

4ca925486c441d17d55187367ae00add4170efe2
SHA256

0904a5d4525bc36915a7cd2cd2f3b240ff9a019f8fa5fa910f74e965436f7501
SHA512

e2b98b047b55251240c37d30d6108c0126303a2fc1c62c58c9a9b8093fa905e9993d89416953c43f7ad84a18a578a3535691a35e62ce211a70e610996e6b5adb
SSDEEP

3072:TOItHrQFIel1Hk1JERGg9atuRNaxd9FSiQGSIShRp1hoZuSqKMjOmYFZ5:TOIJRU16ERd9WuRNaBJJSDhoFB9

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 736	3888	AcroRd32.exe	92
PID 3888 wrote to memory of 736	3888	AcroRd32.exe	92
PID 3888 wrote to memory of 736	3888	AcroRd32.exe	92
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3344	736	RdrCEF.exe	93
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	RdrCEF.exe	94
PID 736 wrote to memory of 3608	736	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\509ae855194cf7729365f7eec6fa7471.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:3888
- 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:736
- - 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=2C86EAAF43DB9DC55AA111218A6D2EFB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=C006016FCA8006ACCD54C3EF76531E34 --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=C006016FCA8006ACCD54C3EF76531E34 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3608
- - 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=AEF2DE1F597A12EAC7E48E3BE5D6FE3A --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=8957FB8ABC97677853CB45CF689216E3 --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=8957FB8ABC97677853CB45CF689216E3 --renderer-client-id=5 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:228
- - 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=5437817D62FAA61D020FD2C7FC6443E1 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=52400530A7C9CEF9E2A3E661581694FE --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3852

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
688e5ff8a92d3e689eb52430b89910a0

SHA1
3a3f7648403d69e24531e14d19db591cb28e6a74

SHA256
e2f606d65d2630ef4cf76215970915dcbbe7fa52eb9cabd69cb1a5106f6b375c

SHA512
f9bc0f5b13d16ace02755a526549318ad21338915fd0e7eb0fb0d8d4aaaec70a41367bdd8078f46613eb34385454d4ac7573c13f8828a0a6ecc629a96b31d64a

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