301fbd2d4e7bc63a87db3483d8b073d5b3dde8edd801a9ad29f874293858ab91

Analysis

max time kernel
140s
max time network
138s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
09/03/2024, 03:15

Sharing

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General

Target

code.pdf
Size

1.3MB
MD5

098b10b09e0b6c2b76cc85a6dd8005b1
SHA1

aacd93c5a022f3ac324147f77d6d784236f50ec5
SHA256

301fbd2d4e7bc63a87db3483d8b073d5b3dde8edd801a9ad29f874293858ab91
SHA512

8cd29810384bc2de339c05ad0a96761c488efd13164e4d95665e25a11064e8fbec97971117a16a1454d0d090fa1e54d3377e2559265d825a5250e8b22c816f2f
SSDEEP

24:WbKZ7a4iCH7wTw+ZXwky3lD6E5wkMMJIWgIXG2CSYapAakwOerXQr/3SlJiNno2S:taswTwaXwkyV1wkMYXG2lNkmXQbOiN0J

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-1-5-21-1104443672-3570440473-4052989528-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 4700	752	AcroRd32.exe	75
PID 752 wrote to memory of 4700	752	AcroRd32.exe	75
PID 752 wrote to memory of 4700	752	AcroRd32.exe	75
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4728	4700	RdrCEF.exe	76
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77
PID 4700 wrote to memory of 4448	4700	RdrCEF.exe	77

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\code.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:752
- 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:4700
- - 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=56B6B3C82743F5C521C87FE27CDA3E25 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=CBFF85B00045984DB90D296A2B06E964 --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=CBFF85B00045984DB90D296A2B06E964 --renderer-client-id=2 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=4719E2104FD9B804D8171BF332C213EE --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=4719E2104FD9B804D8171BF332C213EE --renderer-client-id=4 --mojo-platform-channel-handle=2236 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4364
- - 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=E3A2CBC3F5E857612EB04B0AD3037448 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=CBCA36F0D4F8CC3B4E4AA21BA297B80A --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2196
- - 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=2F4DDF66443F1C2863B2FF3C9014F9E8 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068

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
da147089793940d9519f46950e232a37

SHA1
25bc70aede36c4a87a11eedda5f7868914a0caa5

SHA256
515d66ef01a77ec1d668dc1c6e28a5da419c75d6c27dc2696802077b00f20149

SHA512
18e4a5eb69a4dd9314875b2f10aa1e75fef294a998e4c92a6dfe232aeda913a955706cb64fd1742e44272257a4dbf7b0e6dd24532723e2ac4655282d9c76afb8

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