c16b230d6dc5850b87c964bf8d7904adf9f4fd485902021baea5050e74a7cec1

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 19:48

Sharing

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General

Target

755d3b4cea66ef596961ddd8fbd64167.pdf
Size

12KB
MD5

755d3b4cea66ef596961ddd8fbd64167
SHA1

b1576ca1d6f711da74250e348a751817c7af2d2c
SHA256

c16b230d6dc5850b87c964bf8d7904adf9f4fd485902021baea5050e74a7cec1
SHA512

944591f5758928b5694266e4d082da685bc5b786f6a0a2976549e988d8cc2da6a61ef50b59c0d89e1087cefe2e0c603c18e602c87eae4abcb2ded8555946a480
SSDEEP

384:DLEMMLEtysypVCiowg4kC1elvh1vkC1elvExlIcMk7Ce5SH86U9LlGTb98pRPFO1:Dg/g0CxlIcMk7Ce5SH86U9LlWh3

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 2632	3624	AcroRd32.exe	90
PID 3624 wrote to memory of 2632	3624	AcroRd32.exe	90
PID 3624 wrote to memory of 2632	3624	AcroRd32.exe	90
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 2072	2632	RdrCEF.exe	93
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94
PID 2632 wrote to memory of 4548	2632	RdrCEF.exe	94

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\755d3b4cea66ef596961ddd8fbd64167.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:3624
- 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:2632
- - 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=F9F85D905DC7087EB1B0A94F94395434 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072
- - 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=AF0B6B737D46E4C38E814A83C30A0F87 --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=AF0B6B737D46E4C38E814A83C30A0F87 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4548
- - 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=166F2C5834010580B99A91E6F2D0BDCF --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=315B6C1A2DDAA8319A5DBDDCD6793072 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=01AAC825037382050BD690C9A78C6BBA --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=01AAC825037382050BD690C9A78C6BBA --renderer-client-id=6 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:908
- - 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=7BA423C0693DC97B0B435E0F89778F83 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488

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
2bdec7b5284e6b19ebea30bdf55df673

SHA1
dd7a7164fcfd83486aed5f88d8867ef12783599f

SHA256
b582c070e9254ed8bae16af9102d03d0b5ed1913a77dec4fc2ba2614e1b01591

SHA512
83d23bd738c083cfa94cb7865ba81fccd8695d315b6145f442506b35a6acfa437eb4aebd3cc1f0f5a148b1b104bab186d3bfbef712f9e125224ca9cff772575c

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