b6c2a3f7fc13939eeb1e2df06e1d26fb0372501fbf5966aaadf4df2ecc520f97

Analysis

max time kernel
145s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 10:42

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General

Target

16424f54eb7702e04838ad7b20c2c326.pdf
Size

86KB
MD5

16424f54eb7702e04838ad7b20c2c326
SHA1

2f10016457f6a37e9364925da6305f26b77aead3
SHA256

b6c2a3f7fc13939eeb1e2df06e1d26fb0372501fbf5966aaadf4df2ecc520f97
SHA512

eec58d42be555d61ba215cb65403f7ae1664349bbe7636abf53e4bb282748b8570df5025cd7cd26bb575b2b62ca9113a58ce54def4a2055b7e3dc9476fe823f4
SSDEEP

1536:bA/phIU3LWguUTOhHfDXO3i/0f/XBIkluNM741bVKkRQG4LRCCWOpOwrKWVJ30mt:UghOEHfr620f/XBvENM8RKqr/3wr5Emt

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4296	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4280	4296	AcroRd32.exe	92
PID 4296 wrote to memory of 4280	4296	AcroRd32.exe	92
PID 4296 wrote to memory of 4280	4296	AcroRd32.exe	92
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 840	4280	RdrCEF.exe	93
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	RdrCEF.exe	94
PID 4280 wrote to memory of 4344	4280	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\16424f54eb7702e04838ad7b20c2c326.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4280
- - 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=E126445C90AFDFD809F5424A3919B91E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:840
- - 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=FE64E5552273E6C2AA89D6ED22CDE746 --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=FE64E5552273E6C2AA89D6ED22CDE746 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - 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=86F85C878A3C997628C6C2BA913B1471 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112
- - 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=8A36D26A8A67CC31D37CAA34FB50610E --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=8A36D26A8A67CC31D37CAA34FB50610E --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4444
- - 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=B14D5260FD5F65083BECA9D4E261D002 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=1440A5533F42F9BA251929F472CB79B3 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:728

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
ca9fdc68eca513384a9d0ed623400bde

SHA1
decf6b4777dd15019fe487683d4ca7857b9b419a

SHA256
8c59e422212bde8ccae249afa60133d1b978584a262fd0cc9dfb8f78bd4207bc

SHA512
2b01a8acf1407dc090a2ac8eadfb392bee393585747ac09ef193b50729f6d27e9a58ac30a7ac180411f0c74a6846dd27af946984ac01c3c2ac61d12783c551e0

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
memory/4296-26-0x000000000C0A0000-0x000000000C0F0000-memory.dmp

Filesize
320KB

Download