c089f0643e878494c499ddf81a7a6e3a9f9f2d49fc97e6a99f554baf02b8257a

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 19:43

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General

Target

44482e167a1ad09837393b05a8d86389.pdf
Size

526KB
MD5

44482e167a1ad09837393b05a8d86389
SHA1

47a9050af44f9aa9b74cda43946f9116410a064e
SHA256

c089f0643e878494c499ddf81a7a6e3a9f9f2d49fc97e6a99f554baf02b8257a
SHA512

ed284f507280a7d241d1644321e08446370316e84985366493f8453639343b5340a8b7bcd4f1d12295461c47e313c391c6cdccd9388bfb85eb6b2ed59a4443cb
SSDEEP

12288:n/uQlbUVoL0TN3nDoYFYTVtqbLkTkNsbkKcKrDwr344nvbB2:n/lQVoLORo+YTYMkgDwT44l2

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1584	2904	AcroRd32.exe	96
PID 2904 wrote to memory of 1584	2904	AcroRd32.exe	96
PID 2904 wrote to memory of 1584	2904	AcroRd32.exe	96
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1812	1584	RdrCEF.exe	97
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1716	1584	RdrCEF.exe	98

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\44482e167a1ad09837393b05a8d86389.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:2904
- 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:1584
- - 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=D7BCB27A387E6AB9A431CAEE0F8779BE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1812
- - 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=96B0757CF98A44237E01461CEB4715D4 --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=96B0757CF98A44237E01461CEB4715D4 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1716
- - 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=F58E6459C0FFAEFFF5639C6604B618B3 --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=F58E6459C0FFAEFFF5639C6604B618B3 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1784
- - 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=794778FBF4100D2CF13837A16D565AEB --mojo-platform-channel-handle=2068 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1780
- - 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=910BE2C34FACD8ABCA3100EB90148C54 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3600
- - 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=772EB00512F228E27F9328543D056843 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:948

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
187dbe96881c8f6fe866919c2bc94ac7

SHA1
3db803882ea6e2873f20f7010781621965985d82

SHA256
9f097ccf7ab45c1e446c3736050b53df67b269ffc4edccc3e110d240ef293edb

SHA512
cbad811d0512c14b88441f992238fc9f28deef15e735a97372e77a189b780d56176860744585306dea4e0d583009e856f3e4d109c12b8f74098d4ffd07da6e11

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
ab0034fd11d8d67208d9ffc770ff7bc3

SHA1
057a42d8a7094a6ab448f18e34780798fed0bdfa

SHA256
02d47685e76482d369c8280e701d85fad720958ecaf4f52b49fc36c3be229bb9

SHA512
679819b746b26c8de087cdce1e7f5ed0d6cb0480713860da295bc6768fbbe2ba0645fef1ad67bd217315d68e02fdedbc6edd17f71e025b5ec8301da619dcf313

Download Submit