cd5689890c5909efa535910e1b53688ae3c9fc25f2157e20791548f9c658605f

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 00:30

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General

Target

9a51510c25c5abf3cad58559e772b3e3.pdf
Size

89KB
MD5

9a51510c25c5abf3cad58559e772b3e3
SHA1

e416b91d0aa46b9e7eef7bf6e54aa2cccb521ec3
SHA256

cd5689890c5909efa535910e1b53688ae3c9fc25f2157e20791548f9c658605f
SHA512

336bd1e2d19fc962b8c365be0f86ebda4b2d6bcde92c23aa83bdd7a1aaa33a8d87fda68c8be19ec72030d63497b8fd266bcfc5000f5fd751faaa2a337d3ff929
SSDEEP

1536:5NnmumF3/gHtpYvaVypFLgqBq6his5qiuy7Qgby94asQfPMeWkTjwXvzj8mW8pOP:mz/apYSVypFLg2tEFlAQOe49Q3MuXune

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 4316	3872	AcroRd32.exe	84
PID 3872 wrote to memory of 4316	3872	AcroRd32.exe	84
PID 3872 wrote to memory of 4316	3872	AcroRd32.exe	84
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 1772	4316	RdrCEF.exe	85
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86
PID 4316 wrote to memory of 3464	4316	RdrCEF.exe	86

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\9a51510c25c5abf3cad58559e772b3e3.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:3872
- 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:4316
- - 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=5B39E1A0C1577BC443E37DC6CD642238 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - 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=07D3174D262990E90A9654A3D31F195E --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=07D3174D262990E90A9654A3D31F195E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3464
- - 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=0CE14E60F194561E0E8A45D282CEE99F --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980
- - 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=E9C5E9A16D3ED2A0B90D1E3CE389588F --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=E9C5E9A16D3ED2A0B90D1E3CE389588F --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1992
- - 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=F2B93713A4FF376753ECE629B055DA4C --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=9F1B5AE39D2D532747AA40996A75CBED --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3400

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
f7e76b1f143a8781522dcdcf9275a695

SHA1
a1e387c04fbe90ca3bbcb58f5a74586440cc8588

SHA256
25ca79e19006821a7de6b60de159d912ccb3c787d761dafd2addff21e859ef0f

SHA512
c0e96ada924d058f79d6ab74f12ee9bc0539b7e6742669d678b15f02fe9b6a392d7276e70974391e678a9b1fe3c6184b54f00410942d1a4eebd3077f41d888b3

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