d451ff56765a9c5492832f143b5c6613fbca57972b4b73df415a5998331a45af

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 13:32

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General

Target

d451ff56765a9c5492832f143b5c6613fbca57972b4b73df415a5998331a45af.pdf
Size

176KB
MD5

c44215325441991b0649ff55c5c8ba16
SHA1

84d5b9987c7a52244433fa8713952fe3683e8ca4
SHA256

d451ff56765a9c5492832f143b5c6613fbca57972b4b73df415a5998331a45af
SHA512

5fdc62308aec36add38adf0627e27ecede81a77010f0a694d56a005f01d7241586110d8adef97fd7e67d63c393bc60fae6df3f91f58828e3684fa82e993b8573
SSDEEP

3072:tE62C0sWcqnTVPQDUG/6vPJl99ed7xJJVXD3AcBHTG8ZxL2LyFhrH:AcWVPQYQcPJf9ed//cyHTXE0hrH

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 1904	220	AcroRd32.exe	91
PID 220 wrote to memory of 1904	220	AcroRd32.exe	91
PID 220 wrote to memory of 1904	220	AcroRd32.exe	91
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 2332	1904	RdrCEF.exe	92
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93
PID 1904 wrote to memory of 1744	1904	RdrCEF.exe	93

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\d451ff56765a9c5492832f143b5c6613fbca57972b4b73df415a5998331a45af.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:220
- 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:1904
- - 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=602DFAC48CEFB68053EDA9A7D4174917 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2332
- - 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=FD1940241441A5ABBBADAF002B6CCE5F --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=FD1940241441A5ABBBADAF002B6CCE5F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1744
- - 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=CF13D2FA83608F77032D5145817BF9F3 --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=CF13D2FA83608F77032D5145817BF9F3 --renderer-client-id=4 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4612
- - 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=A126932C502B9A2D95A48A448C4DA31C --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072
- - 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=DD9DBD0BC1D34B59AC965911EB11C5BB --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1028
- - 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=B09D25113D83720B316155B2D3783198 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:420

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2460

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
23686510443bc25dcdc4655f3891ccba

SHA1
5ca105f710dcbfad4f213b88b01fb80aabd8b752

SHA256
8d9f1bccdabaf49547c4badd9ca505ffc0f9be8ffaf19502f4ef673fec4de1df

SHA512
0b2378841fbf25a269ad8f8184bcbfa9b4dbf04bd6e6385bd9a015674f90814d72422ebc485a5edc6e488baeae60ad2b01de28e1f121015ef1a5f4e96d527999

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