826ec3546141eeb852983e9f19f25252e42f61c610184ca6038800de32d3fb17

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 13:12

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General

Target

2ed5023eb1bda54974ecb390e81d7ad6.pdf
Size

83KB
MD5

2ed5023eb1bda54974ecb390e81d7ad6
SHA1

9104e726d61c51ce89157d2638ec6d500e8d08e8
SHA256

826ec3546141eeb852983e9f19f25252e42f61c610184ca6038800de32d3fb17
SHA512

7ccc2a13d6e65a714a183858a664445e1b91bbf1bdc533c0e66bc0704e0d6a41897ff08859b764731d7d48ceaa22eb0133e1b3b0858d646bdb59c59270a1911c
SSDEEP

1536:sBMlQ+oGKsDo4Og167f5NMgangxzQBrpzWGUfgmxue12EkpHWyE3u79qv:siqCKsDoQ1dgktW9vxue1Kpgu7k

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 4592	1920	AcroRd32.exe	95
PID 1920 wrote to memory of 4592	1920	AcroRd32.exe	95
PID 1920 wrote to memory of 4592	1920	AcroRd32.exe	95
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 2740	4592	RdrCEF.exe	96
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97
PID 4592 wrote to memory of 4296	4592	RdrCEF.exe	97

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\2ed5023eb1bda54974ecb390e81d7ad6.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:1920
- 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:4592
- - 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=DC937B72B46AA20D9B1B688FF689C8D3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=14E6B49D5A9DC02AE83FEB8379030B9F --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=14E6B49D5A9DC02AE83FEB8379030B9F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4296
- - 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=BF3C712485615D50F556991E7DE55262 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=F5E5D886B87E51DF9D2CD96070BCEDFB --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=F5E5D886B87E51DF9D2CD96070BCEDFB --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:952
- - 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=1E0ADFA2E44DCF1CA4E05FF8BC22746D --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=FDF91EB7C121992F7D5AA077BEFA14DB --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4028

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
31a3e42b254e0c41d45d6b3bdbbc85f2

SHA1
bc94490f3a064d87a3f0c6a6cd7949a0226c2558

SHA256
4c01241d627439f6b2b5c910640347486ec1ebc0226c64deb124134b54110f2c

SHA512
17e2da8bf5d6f3353c3751b2954c2c0770a518da8411691ac374964248a09c180aec143df3ff914def7e8cfffebab0889c2c3d588a8da20edd2dba255bfc5b95

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