7c54c3eb44cdfa7d98372b608d74c67873695de6b888b0ed60c7c91b46575a20

Analysis

max time kernel
163s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:07

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General

Target

b1bec7b9a9aceb8aa5c7866ac801d1b5.pdf
Size

75KB
MD5

b1bec7b9a9aceb8aa5c7866ac801d1b5
SHA1

e6725dcbfcbd1fec4c71c912d05b7cfdff3a734a
SHA256

7c54c3eb44cdfa7d98372b608d74c67873695de6b888b0ed60c7c91b46575a20
SHA512

e6ee54c8cbced18a76488c2a39bd5414b44455e58f4e2d39820528362336520c8ba2eb477cb58c71b887704c6b0ea9ba3ea4f8bd04d3c38923dad4557bd65252
SSDEEP

1536:6RE+t3ud6yOZKmatiHFBkb9FBqxXIjx90f1DNIzoOamV/uR0uroOS4:aE1dZ2Rb/kb3BqNsbGJicmF20xK

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 2812	4420	AcroRd32.exe	91
PID 4420 wrote to memory of 2812	4420	AcroRd32.exe	91
PID 4420 wrote to memory of 2812	4420	AcroRd32.exe	91
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 4400	2812	RdrCEF.exe	92
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 1460	2812	RdrCEF.exe	93

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\b1bec7b9a9aceb8aa5c7866ac801d1b5.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:4420
- 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:2812
- - 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=DE757572AF30A622612B0BF7744C218E --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400
- - 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=CD8CDCB55A26F09FC7424F2A0C582E04 --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=CD8CDCB55A26F09FC7424F2A0C582E04 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1460
- - 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=62273222502052B6CE7E4C39A08B7152 --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=62273222502052B6CE7E4C39A08B7152 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=746FF50D7F45DFD492909F86BAFF06A3 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=36BE5AB97073ABEA7D1347CE21EEED8C --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=76F2439EF5F07178730AAF48F7EFCD4B --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4872

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
b6456fb59e326eff2d2af2d04f5520eb

SHA1
02d1152239c3b6cd38e5bd1269af1b7f03890298

SHA256
7f0b9e914d86de8dbfec03844c8db8b1d2f001ebc60d9265ca338d8ddc6bc1f8

SHA512
cdf376c5607c8300564c42504f8d4794e85426faaa6ba4d5edff49b86a7eff0f25350738c446a0634e58ab993d4af1930daee7d5d6caf1ac6aac7e6c401f3e6d

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/4420-27-0x000000000BC10000-0x000000000BC31000-memory.dmp

Filesize
132KB

Download