938030fd3dee46f16269a7a16033fe1a532579cee0e12ed77e763010a2908571

Analysis

max time kernel
94s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 18:44

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General

Target

attachment20220906-19490-6lc78l.pdf
Size

537KB
MD5

6776f1d56e62160fdbc83abc8a30e0e1
SHA1

5137b198ac29ca1934e2090dc3a4210e5c712819
SHA256

938030fd3dee46f16269a7a16033fe1a532579cee0e12ed77e763010a2908571
SHA512

6cef095530ecc0bf903fa0c8d91d69aa6fa0b8cd5ee2f9cf1cd130cf3e7dc877c91ec254b9d60c6f68b3f50776fa38843a99cb78733a3a328e43e2cf98b7a6d0
SSDEEP

12288:ScktKY4eTLtunvuzqKk5PsUfo0WLTTL5JFqyI9hnW9hZ:S9KY4SLgnWzqKk50Ufo0W3TVlIPW9r

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 916	3880	AcroRd32.exe	84
PID 3880 wrote to memory of 916	3880	AcroRd32.exe	84
PID 3880 wrote to memory of 916	3880	AcroRd32.exe	84
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 3220	916	RdrCEF.exe	85
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	RdrCEF.exe	86
PID 916 wrote to memory of 1940	916	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\attachment20220906-19490-6lc78l.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:3880
- 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:916
- - 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=6A24B2BAFC45EE0E58CF2A21A4E72914 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=46CEBF4EE191EE135B3F7753E95619F1 --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=1 --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=46CEBF4EE191EE135B3F7753E95619F1 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1940
- - 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=E1E3A230630307DCB5F99F6887AF9C8F --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=1 --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=E1E3A230630307DCB5F99F6887AF9C8F --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:424
- - 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=B846A07DBAD14E35C3EC6BA3EEA1B80A --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2984
- - 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=A75FAE801E04FD9A4DB0A4BEE20EB1E0 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=BDB3B019527AB5D7F161723B53DAE7B2 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

memory/424-142-0x0000000000000000-mapping.dmp

Download
memory/916-132-0x0000000000000000-mapping.dmp

Download
memory/1940-137-0x0000000000000000-mapping.dmp

Download
memory/2984-147-0x0000000000000000-mapping.dmp

Download
memory/3132-150-0x0000000000000000-mapping.dmp

Download
memory/3220-134-0x0000000000000000-mapping.dmp

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memory/4808-153-0x0000000000000000-mapping.dmp

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