51bd37ea80a79da74e4c1e82dd1cb8c2969052ad6bfd050788f270a79989b01b

Analysis

max time kernel
166s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:50

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General

Target

aeb75884380326eea0c52e7882fc925d.pdf
Size

71KB
MD5

aeb75884380326eea0c52e7882fc925d
SHA1

591ead7a57cd7ba83bcd13500a423275bcf4b74c
SHA256

51bd37ea80a79da74e4c1e82dd1cb8c2969052ad6bfd050788f270a79989b01b
SHA512

1b1c323b003fc34d04d74f46bfee740bf83d97e9ad4748475a199c79f5fb9616aa95cebc6495bf0caf85d99bbed914f4d776aa146964193c3130033dca6c0610
SSDEEP

1536:F6E56RwytIxUJyHvmdz2Ni2fnmYaqJGnHKXz0muvHFX:MEZySxUkP1N6YXJGHKX4vV

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2188	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1960	2188	AcroRd32.exe	93
PID 2188 wrote to memory of 1960	2188	AcroRd32.exe	93
PID 2188 wrote to memory of 1960	2188	AcroRd32.exe	93
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4712	1960	RdrCEF.exe	94
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95
PID 1960 wrote to memory of 4780	1960	RdrCEF.exe	95

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\aeb75884380326eea0c52e7882fc925d.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:2188
- 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:1960
- - 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=D3DC3EC4B62CDA15AF1C42B8DD3076E0 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=3E33C003085108569C11A5053E799F38 --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=3E33C003085108569C11A5053E799F38 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4780
- - 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=DE4072D50C032677F2B248D548E1DB62 --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=DE4072D50C032677F2B248D548E1DB62 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2920
- - 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=A7C3D7EF38DBF0839B9031F028E0EACE --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=D006E02257AD2B9BC6F0621332625529 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=ED632CA62DFDF474DE46924F2E0B38F2 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1348

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
1144d49b61b15b6b4b148369a63538e2

SHA1
e585a706b014a2ce90f804ff31671184397d12d5

SHA256
d7eec19a0d834674ef51f3b653786d14792f3e600182a5524c049c4f9146722d

SHA512
fca85fc2fc9bf19e18fbf536a3fd8d0b64a209e320de352f2df82f20aebe1dd333b3ce74ff756971612150617561c161d73023e9a14b640f9a71e18f8f16030c

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