f7b3cf399f59cd21b4bf8abc2de05826dc4a189e6e6bff8a3b497ee969c2a994

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 21:24

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General

Target

7b50818a8521130184b02f11b2c1cf1d.pdf
Size

71KB
MD5

7b50818a8521130184b02f11b2c1cf1d
SHA1

05cac2b046c5e5acff0c7b471730ad32abba4d7b
SHA256

f7b3cf399f59cd21b4bf8abc2de05826dc4a189e6e6bff8a3b497ee969c2a994
SHA512

83b88c9de953fd9301632fa0b3154a69ee29b981ab2222d96f81a5eb1c6f7e0a6bf1a3294141ee2ffc0b35c941f141ac311f05364581289e19cfbecacee9ef5d
SSDEEP

1536:q8klGinJ/9ozSkWcdoKnOlBoyOKaYG1TQXvEE32DQFAzBEHJX:EOzSVc9OSKNsE32GAzBq

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe
1728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2692	1728	AcroRd32.exe	93
PID 1728 wrote to memory of 2692	1728	AcroRd32.exe	93
PID 1728 wrote to memory of 2692	1728	AcroRd32.exe	93
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 4536	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95
PID 2692 wrote to memory of 3564	2692	RdrCEF.exe	95

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\7b50818a8521130184b02f11b2c1cf1d.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:1728
- 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:2692
- - 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=93499BD8A54676F18B54769E5ED553FF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=EB498425A573B0AC92ED477C54DEEAD8 --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=EB498425A573B0AC92ED477C54DEEAD8 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3564
- - 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=FB32B6C17F22A364A48795643D84CDB9 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=31ACDD9B0C914FB212C500751F53950F --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1500
- - 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=3DD44D9C6C82D1E8BF932D094C4AB17D --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=3DD44D9C6C82D1E8BF932D094C4AB17D --renderer-client-id=6 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3240
- - 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=467F6BB711ACC4883663EAA66C87E90C --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4720

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
2c663186c7b526f2de228cba2cc93f54

SHA1
cb3641a4af84f0717b2e0bb1d3f8b39c35d9a487

SHA256
e285c3b2fad3b0026c359d65123f3f1df9ddeae365effd60164da75c4e4f7855

SHA512
a1dd453f825a14ee269923f6504d6d01d3c29c323e6b23f44f39e1229b985037e908164be6d5d43d21d72a9dd8d7b0ed709330caf06ee7ac4ae2de2f7e2b9729

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/1728-26-0x000000000A8E0000-0x000000000A930000-memory.dmp

Filesize
320KB

Download