d03cf94eb9e6e270bb60ee8b49abea2da9ce80c1a0678a9ed2d4c29047c75da8

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 14:52

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General

Target

de45bdf8d41bde0c7793b475dacd2af7.pdf
Size

44KB
MD5

de45bdf8d41bde0c7793b475dacd2af7
SHA1

05f6e700b0434c81431cdc9589a7faaf475d2150
SHA256

d03cf94eb9e6e270bb60ee8b49abea2da9ce80c1a0678a9ed2d4c29047c75da8
SHA512

6e73b1ada7e9e495f567eb482636fda33e10513b6c12c636186020fba43a3a4ac8410f2e9a49103630d4f6150869bcc68420fbae6fb4a1ee5b84f56e884deeec
SSDEEP

768:6fYmgu685VNrp3Rzq32exwY0DtzwVeuga6hV6nhnEESh8GYCXtQr:Ig9YV7oGqwY0xzw9KV6nhnBUkStQr

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 4864	4952	AcroRd32.exe	94
PID 4952 wrote to memory of 4864	4952	AcroRd32.exe	94
PID 4952 wrote to memory of 4864	4952	AcroRd32.exe	94
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 1784	4864	RdrCEF.exe	95
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96
PID 4864 wrote to memory of 4488	4864	RdrCEF.exe	96

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\de45bdf8d41bde0c7793b475dacd2af7.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:4952
- 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:4864
- - 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=361BAFB86BC98191EE11156DD1F98C25 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784
- - 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=24A7DC62DCC58AA12C5E75F0A8F97B02 --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=24A7DC62DCC58AA12C5E75F0A8F97B02 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=30EC1796B9C349BBFB91BF71E0F95617 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=CCE4B39E1A77C9CA94D6F37D21495D57 --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=CCE4B39E1A77C9CA94D6F37D21495D57 --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=7F37A86DB9399EF802BAA240EBB97B0D --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=FCA58D37DF20A13653D76960504999D5 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2696

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
ac28490fe503c813958a771cd6cd8c67

SHA1
4508caa0eeec9711c8464db0ed04a3629d888610

SHA256
c0d5daad1d269aa0ad082332169014f293c0a33b45d441ebe504a6549209ffe0

SHA512
3bd2ac0a97e86e293a5115b1d2e46bd83703d6a20ac41d3c692ed61bcf747a9e1ad40f47131c22aec56a5c5255df2c1faecf2c3ea81f654c9f4f9a292a41dd5c

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