81e1676ef1b712b92e995e8d83465feae2e014797ebfa960af52f46773f15d7e

Resubmissions

11/01/2023, 17:23

230111-vx51padf46 1

11/01/2023, 13:14

230111-qg1ntacf89 1

Analysis

max time kernel
64s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2023, 13:14

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General

Target

81e1676ef1b712b92e995e8d83465feae2e014797ebfa960af52f46773f15d7e.pdf
Size

50KB
MD5

aa47fae2416b63d0c8f81b4729f569b3
SHA1

feb243dd802b3a01fa11474d4e4227b780c14334
SHA256

81e1676ef1b712b92e995e8d83465feae2e014797ebfa960af52f46773f15d7e
SHA512

09723c0359f6d56a9e6dc0c5597877c63468e86a80246157ae30114d8b4b549b6cf901559f48f56463b4da75bc047912e9710f0158093272619d217509fa47fd
SSDEEP

768:yRlemGAcXwTmTs1uJLK7yv3JnmYsfy0QIDcpGc+Mo0hd+gd7wco5wQ6ZpkMaYrxK:SYAXR1uk70cYsKHRhpo56Zhrxi5

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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1396	4920	AcroRd32.exe	82
PID 4920 wrote to memory of 1396	4920	AcroRd32.exe	82
PID 4920 wrote to memory of 1396	4920	AcroRd32.exe	82
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2004	1396	RdrCEF.exe	85
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	RdrCEF.exe	86
PID 1396 wrote to memory of 2348	1396	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\81e1676ef1b712b92e995e8d83465feae2e014797ebfa960af52f46773f15d7e.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:4920
- 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:1396
- - 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=8F22085A5C0FD6D459782AA6BA54C47C --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=64F924D4A2952119E5DF5C94BF1A4D15 --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=64F924D4A2952119E5DF5C94BF1A4D15 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2348
- - 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=6199C94B30883FBEC66B79C4F09026C7 --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=6199C94B30883FBEC66B79C4F09026C7 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2700
- - 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=9FD0F491C9455DADC024F075E47441D2 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- - 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=68260D644C3EAC10B56BD76195199B0C --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=8E01B10AC19BC5A27431AEBFBFCEA0F2 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2612

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

Windows 7 deprecation

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