878025648c128244090a13a26af1e63647ab26b318566dcb022f93ee236cb439

Analysis

max time kernel
122s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2022 09:06

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General

Target

Inheritance-Assignment (1).pdf
Size

185KB
MD5

04c1ad47da9720647f4717003fca7f0c
SHA1

1aa3cf79a69b69c123fd09e15e8b338036df21bb
SHA256

878025648c128244090a13a26af1e63647ab26b318566dcb022f93ee236cb439
SHA512

e268dfd98e59d266852d7200aff2123a02b50c458e32b9ff4780d0429f8f49ba2036f94ca6544bb2c627dcc91799b3fb80e63d5bf219a2aacb0a96fd957b42eb
SSDEEP

3072:Lt4DnA16Qb7NUFvTj6HqghTHtPL5j3hNIvpBvY1jGElNRoARgb284deNg5jQlze4:h4DAU0UxTj6KUTHlNjjILvY1KXxRgarT

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
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 1324	3764	AcroRd32.exe	82
PID 3764 wrote to memory of 1324	3764	AcroRd32.exe	82
PID 3764 wrote to memory of 1324	3764	AcroRd32.exe	82
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 3132	1324	RdrCEF.exe	83
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84
PID 1324 wrote to memory of 1816	1324	RdrCEF.exe	84

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\Inheritance-Assignment (1).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:3764
- 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:1324
- - 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=222066DC5A77547365E80D4F18CB9790 --mojo-platform-channel-handle=1740 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AC1329A915BB780AAAA332A7A3AF224A --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=AC1329A915BB780AAAA332A7A3AF224A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1816
- - 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=D6AEB127911E4DA746E46E3EC4F7BF31 --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=D6AEB127911E4DA746E46E3EC4F7BF31 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3120
- - 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=D621D35A51557FBEC904116ED3C9E47A --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3912
- - 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=F3818D32B8C7D2510F4815C5C9F4EA5F --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3724
- - 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=B743F1F5348AEBE4293450AC3C072D96 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3548

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3612

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/1324-132-0x0000000000000000-mapping.dmp

Download
memory/1816-137-0x0000000000000000-mapping.dmp

Download
memory/3120-142-0x0000000000000000-mapping.dmp

Download
memory/3132-134-0x0000000000000000-mapping.dmp

Download
memory/3724-150-0x0000000000000000-mapping.dmp

Download
memory/3912-147-0x0000000000000000-mapping.dmp

Download
memory/4280-153-0x0000000000000000-mapping.dmp

Download