c282b70bf21838bd002daf24dde0328a2a77024ae3814ac3f3d8cb82ffa39363

Analysis

max time kernel
1791s
max time network
1161s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2023, 06:16

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General

Target

1.pdf
Size

144KB
MD5

a2267b3e2d7884c94cccc2b508fc9f45
SHA1

2c1b9ce9067e6cfdc7058887ba913466c5c02a7a
SHA256

c282b70bf21838bd002daf24dde0328a2a77024ae3814ac3f3d8cb82ffa39363
SHA512

f234ed92e335f52ed68d5674d046638db791f877d442ab3976c5461245a36f17782f8f971eace8208d9049ae13af4712eb9880fc6799bae1e0c6c1575e790c9c
SSDEEP

3072:NMXcyYdPMoeQll8Y1IK6GEvITmOb/C2nlGiBltcBpuwnSKeUzHtkrs:NMXcyYgQll8O6NvIKEC+xzyBgKeyqQ

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-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 1636	516	AcroRd32.exe	92
PID 516 wrote to memory of 1636	516	AcroRd32.exe	92
PID 516 wrote to memory of 1636	516	AcroRd32.exe	92
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2304	1636	RdrCEF.exe	94
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95
PID 1636 wrote to memory of 2620	1636	RdrCEF.exe	95

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\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:516
- 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:1636
- - 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=C2A43B3E3C1E8898D5014E4C482A6B12 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2304
- - 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=B8E64E3C7B39C2C367E46C882080068E --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=B8E64E3C7B39C2C367E46C882080068E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2620
- - 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=EDF4559D00A6FC74133EFC5290AEB349 --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=EDF4559D00A6FC74133EFC5290AEB349 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --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=CC90F4DCBC36DB5B46E96EAB9426E0F8 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=16A1656FEC2A8916EA72EC1410E9BEF9 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=3C9FC17F0F68BAA0CB028803C0388953 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4384

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
e6e3faac3202c16808e05ef306e5b6ba

SHA1
eb27fe921f093dcd815b662e818eab27d5df84fc

SHA256
977abc1621b2fd01fc979d5e3bc6d606caec48ec1cd353f82cc32b2015be2a68

SHA512
831d63ed4224e04eb64603b504b7168520f2445ca505392bb6a67b6a3db55ae380c89a9036b68471119854a1c4fab3e196c94e84a611f6424d4fdbdb57e78b27

Download Submit