55b83a18bfe96316e7b42c73e7aa9a69d0e0291e24125675b0d6bdc1c6637e79

Analysis

max time kernel
122s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 12:26

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General

Target

attachment20220906-1132-1913lqk.pdf
Size

923KB
MD5

057db28df65f1fa9d409bdb8c64f791b
SHA1

3a76d912b9a8f3d539e59e994b6903539ac9822a
SHA256

55b83a18bfe96316e7b42c73e7aa9a69d0e0291e24125675b0d6bdc1c6637e79
SHA512

651b9ff3b5a60d2126ff0bf7fd61a2f634cabb631ccf28551763519f20551551efe7b90a6a746b86e0e0471413b2ca9353acdd6416ef86b17a890bea0cee1655
SSDEEP

24576:pTEoJTOoB/QbwY5ZP1dVINcnElQzy02K49/itlPU3Kqjn:soIbVg0NXXPU39jn

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4336	4636	AcroRd32.exe	82
PID 4636 wrote to memory of 4336	4636	AcroRd32.exe	82
PID 4636 wrote to memory of 4336	4636	AcroRd32.exe	82
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 2216	4336	RdrCEF.exe	85
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	RdrCEF.exe	86
PID 4336 wrote to memory of 4604	4336	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\attachment20220906-1132-1913lqk.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4636
- 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:4336
- - 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=D165621A400FAF36E102371A161BA893 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2216
- - 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=2A6969553627C9929B15E572C55DC3A8 --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=2A6969553627C9929B15E572C55DC3A8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4604
- - 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=86185042455C69C7E496564AE0119E2B --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=86185042455C69C7E496564AE0119E2B --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4736
- - 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=8D3FA89DCAABA87CA753B0F37652111E --mojo-platform-channel-handle=2212 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=103CED0A268BA9C59659EDB83753E690 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3672

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/992-150-0x0000000000000000-mapping.dmp

Download
memory/1344-147-0x0000000000000000-mapping.dmp

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memory/2216-134-0x0000000000000000-mapping.dmp

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memory/4336-132-0x0000000000000000-mapping.dmp

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memory/4604-137-0x0000000000000000-mapping.dmp

Download
memory/4736-142-0x0000000000000000-mapping.dmp

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