f9b43b28be80b1a525aca7ff876e0e57ec7577826c3fb30a8fbfa93de975fa3a

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2023 15:46

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General

Target

AR Invoice_27659_20230516_104106AM(1).pdf
Size

59KB
MD5

554fdc80322f59a9defa6aebc529b370
SHA1

c57a7ed474b5d89adf0dce9c91515724da90347e
SHA256

f9b43b28be80b1a525aca7ff876e0e57ec7577826c3fb30a8fbfa93de975fa3a
SHA512

d0a537c328625217129f322299bf2069e22ceef93e769f8c20c10553450969840ebae4486d5abc3e4f8e84b862f44c7c9eb666b3c7e70c64e66d0a8be1043732
SSDEEP

768:AsrSIqksOHBxB+G57FW9TBygm1kREB3RXpteU80PHbmbk28QX+H5QHYhJVj7tRs9:VsOhicFMAtpfhCi5Lhn/svtKldusK9

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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 4936	4952	AcroRd32.exe	82
PID 4952 wrote to memory of 4936	4952	AcroRd32.exe	82
PID 4952 wrote to memory of 4936	4952	AcroRd32.exe	82
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 2628	4936	RdrCEF.exe	83
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	RdrCEF.exe	84
PID 4936 wrote to memory of 1820	4936	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\AR Invoice_27659_20230516_104106AM(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:4952
- 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:4936
- - 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=23AE89E3815D312481077AF2D0F71A46 --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=2 --enable-main-frame-before-activation --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=23AE89E3815D312481077AF2D0F71A46 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=AE08B5E55814B402E00068830B225DBD --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820
- - 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=97D55E63D9F241A680C1777F198C24BA --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=2 --enable-main-frame-before-activation --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=97D55E63D9F241A680C1777F198C24BA --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5008
- - 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=0CE7C08DF06506F85E81800161441846 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=52D7AE3DBE81CDCA8ED5503D3DA529FC --mojo-platform-channel-handle=1992 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=37F9F46616C01A84C7E7FF20F2290C22 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
cf6b40e17232cd2ebea5bbe91bac6aeb

SHA1
c0f7247e5a05347ee8b473fe95ce51777e388ef8

SHA256
c880b3e3e6267e05de68265b850085ef0c021190c17d110cb4d20eff12676446

SHA512
19d33cadeac4044d0c88fe96ed4beab12bf3196628c3f8c829d913103485991ddc669b50bbf8134acba23fa50c233cfb900aa2f047376b6ab50aa95f8a7af68e

Download Submit