6e053ed8bb063d773254639aa31ad82bf01a4a17693c24e9b051223b3cfe3a53

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 09:17

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General

Target

7f76a69f9f4737cbd0f0785cc92dc2d2.pdf
Size

86KB
MD5

7f76a69f9f4737cbd0f0785cc92dc2d2
SHA1

0a927b23db8c463eed3bfd507eab104fd62c480a
SHA256

6e053ed8bb063d773254639aa31ad82bf01a4a17693c24e9b051223b3cfe3a53
SHA512

3c6af8c4a4fe05fa05c76ccacd101842868d0cdc37bb82f73b88bd4203147acc5bc0bea1d017278d62bb13649eeb9754f2a9b134c054eb12a685da1d2984f338
SSDEEP

1536:LoAfnPeEnBK+V1jrjnlVPSIX8DUSBvcx//WSmWpaJXqx6AgW8pO7KkU:EAfnPeEnU+VxrjnlhfX8DXqstXqx6AL8

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 4348	1200	AcroRd32.exe	87
PID 1200 wrote to memory of 4348	1200	AcroRd32.exe	87
PID 1200 wrote to memory of 4348	1200	AcroRd32.exe	87
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 372	4348	RdrCEF.exe	88
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89
PID 4348 wrote to memory of 1964	4348	RdrCEF.exe	89

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\7f76a69f9f4737cbd0f0785cc92dc2d2.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:1200
- 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:4348
- - 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=AF43C0BECB8F68F9D0B63B0BEE54A26F --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:372
- - 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=1509D6784BF0F6E108B6437C1D2CC10E --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=1509D6784BF0F6E108B6437C1D2CC10E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1964
- - 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=852208BB22BCA90695D8E5E20981DD24 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1808
- - 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=1F6FDF684C4ED081B065702258424800 --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=1F6FDF684C4ED081B065702258424800 --renderer-client-id=5 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3720
- - 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=749DF757C98ADC7458362069D5E79F11 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1476
- - 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=5C122B55167AD499F6EEEFE773ADB829 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1560

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
ee678fe0e3d51dd3db91c11bf2776d3a

SHA1
dc6112bd0fa10a61e3b7f8e48cd1185d11393688

SHA256
7bd9b9594538b45642ce30fe78721ca233fdcaa958ab967fae7fcd294cdde5f0

SHA512
7e7b801465613088a9c6ebbad1b056a01bedb1babdbe508e93ea070a64fec332668083c1b413bd18ccd68c2a9e721b0bbd871abb7022780c0f62032bab07b630

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