6a61cafb4fe4effbc73ef84fe003b7b0654f0a6f2557fbb3b4d38e93053d525e

Analysis

max time kernel
143s
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
04/02/2024, 19:57

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General

Target

90055c6c9dc7897fc6919dbb3b465e8e.pdf
Size

79KB
MD5

90055c6c9dc7897fc6919dbb3b465e8e
SHA1

4a7323171550e70e5b040271e0ab3028d1172d6a
SHA256

6a61cafb4fe4effbc73ef84fe003b7b0654f0a6f2557fbb3b4d38e93053d525e
SHA512

5b84f4523fc4b2a3de51c7bf3b2409a985808d8ba51cb0bb21cb2e279641ab8fbaa8f99117e90529fce54787531aa2de7f25e1607b6bf205c9e5bc4ccc5a6bdd
SSDEEP

1536:N29ZzMo2nQ7nHUHj/uGQQDuccP41ek94viWqGmcoWCpOViIWBU4qD3gxZvP:QpMoyQ7nAVQQDuccP41exviO5ViFqD34

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
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 680	232	AcroRd32.exe	86
PID 232 wrote to memory of 680	232	AcroRd32.exe	86
PID 232 wrote to memory of 680	232	AcroRd32.exe	86
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 2956	680	RdrCEF.exe	88
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87
PID 680 wrote to memory of 444	680	RdrCEF.exe	87

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\90055c6c9dc7897fc6919dbb3b465e8e.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:232
- 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:680
- - 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=925101FCBB9076FAFB99E2AC52588A68 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:444
- - 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=52D7BC5E141395A97434E14BF97F415F --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=52D7BC5E141395A97434E14BF97F415F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2956
- - 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=508A06EB086D16AC3D15EC3A5D2474A0 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - 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=9F762281CD9B6B4759D271F4A770A811 --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=9F762281CD9B6B4759D271F4A770A811 --renderer-client-id=5 --mojo-platform-channel-handle=2120 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2812
- - 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=A8568BAD69F489518FBBF89B01868D63 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1508
- - 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=317E3848FE8A5EC68C2346F8D4FAB916 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2440

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
a6b62c727a5b0f649edb4865d8d24124

SHA1
b0ad14126029b79d5e6f5d05bf9828cd670ba6fa

SHA256
0643956c1eb6259904ef360215c0fcb0531b839627c556b8a82a98767bf6b807

SHA512
79515fecb9725da6548923c786d557e061cb43432ed4d0d70e40dc69f6f7c23cf5f72a80e4e5247142010fa475d40fe944743c16ecba915ff020c92372163103

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