81b130b37ab3b50a72da55be6067b7ddfc5a3b03fdcf0de03e52765569344038

Analysis

max time kernel
149s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 10:26

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General

Target

4b30889de2d8d5f7f4bd795534191712.pdf
Size

89KB
MD5

4b30889de2d8d5f7f4bd795534191712
SHA1

8764cfca68af68b30b46206a322e799f86e1836a
SHA256

81b130b37ab3b50a72da55be6067b7ddfc5a3b03fdcf0de03e52765569344038
SHA512

427b44371e857957eaf7d05a1ba234a38598f7e2161ef4f3f4576f22460cd8eef18aa4afe37a7696131ee238df00da9808f804d5dd8d2e344dd85916f9ca5bf0
SSDEEP

1536:aJXPiWxfONm1Lpg9JFqioddlk4uUd+fs1cdOZJhGXum4WypOlWWxhtuMRkC3enQ/:aZP/VjpgIiwCUd+fGcmJhGeGlD3uMp3T

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
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe
4916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 3092	4916	AcroRd32.exe	91
PID 4916 wrote to memory of 3092	4916	AcroRd32.exe	91
PID 4916 wrote to memory of 3092	4916	AcroRd32.exe	91
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 2720	3092	RdrCEF.exe	93
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92
PID 3092 wrote to memory of 3316	3092	RdrCEF.exe	92

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\4b30889de2d8d5f7f4bd795534191712.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:4916
- 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:3092
- - 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=9AA2A7354F502A2B3C8BADAE1D9BD97F --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=9AA2A7354F502A2B3C8BADAE1D9BD97F --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3316
- - 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=96A97241DFF6AA0F8DB31BE7A91FD8B5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2720
- - 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=B8A780528B5559154C571AF9E00AF6B2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420
- - 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=95C2375025E8E89DBFAEBEAE42BDCC35 --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=95C2375025E8E89DBFAEBEAE42BDCC35 --renderer-client-id=5 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2320
- - 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=9EF03FAD76E9697AD7AC4C60D8E91CBB --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=67A9539D6228F7B4B0AD13E2741F2417 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4168

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
ac4070f9f5ec4705fe9b985f2444798e

SHA1
ddbc47062832f4df33568b9644adf7d230cae5a5

SHA256
6798e0308eba88e678d21397bbd62304e73be350c667c84b61f94fcf36e89c64

SHA512
b762a1e20d9600e78031354b72a42146ab517875acd97ba64ee8b575b6ae6c74923459274a0921682a3a913b1f8672698afe1ab464096e94e069e9371a1484d1

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
memory/4916-28-0x000000000BEC0000-0x000000000BEE1000-memory.dmp

Filesize
132KB

Download