f4bbdd672be2303ab0c350e9995db44ae8bf43e5111a01e4f1bbdb23eb3762f9

General

Target

Blank W-9.pdf
Size

140KB
MD5

6318c97f2d00d154f42b6dfbfd99508d
SHA1

0e8000559c336d862acb7e6dceaa10b792d5a6a9
SHA256

f4bbdd672be2303ab0c350e9995db44ae8bf43e5111a01e4f1bbdb23eb3762f9
SHA512

750aeca52af944be29da0f9aaa23a85195d40a7ae5a795ca6c865240fa7f6fa12ed524352f52aede6b8a2c7f3dfa8f4cbd70b051e6ed24a2dc0f88defa57bdbe
SSDEEP

3072:UVilYC32TlkA8VxiQNgAROHMQSJSFhasszQk2:Ur78DiQGARONGi

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

876 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exe

pid process

876 AcroRd32.exe
876 AcroRd32.exe
876 AcroRd32.exe
876 AcroRd32.exe
876 AcroRd32.exe
876 AcroRd32.exe
876 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 876 wrote to memory of 1056	876	AcroRd32.exe	RdrCEF.exe
PID 876 wrote to memory of 1056	876	AcroRd32.exe	RdrCEF.exe
PID 876 wrote to memory of 1056	876	AcroRd32.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 3380	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe
PID 1056 wrote to memory of 1488	1056	RdrCEF.exe	RdrCEF.exe

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\Blank W-9.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:876
- 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:1056
- - 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=70ADB59AEB84AB32F39D8F391217116F --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=7C73D3F243E783103DCFFCD4F5E0CEF0 --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=7C73D3F243E783103DCFFCD4F5E0CEF0 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1488
- - 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=606D78FB071F5D2568C4D44178FEAB9D --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=606D78FB071F5D2568C4D44178FEAB9D --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1756
- - 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=078AC5C9B52F93918C8EC83CF94BF9E1 --mojo-platform-channel-handle=2212 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4624
- - 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=97E1663D26DC440C017A171B0410F789 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4200
- - 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=AE010B50A813FFE42F101021FBA8BF01 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1056-135-0x0000000000000000-mapping.dmp

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memory/1488-140-0x0000000000000000-mapping.dmp

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memory/1756-145-0x0000000000000000-mapping.dmp

Download
memory/1884-156-0x0000000000000000-mapping.dmp

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memory/3380-137-0x0000000000000000-mapping.dmp

Download
memory/4200-153-0x0000000000000000-mapping.dmp

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memory/4624-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads