673eea44f74f5cae3ee0585bc23211a46f797cfeb46072781d4018199b78665b

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/04/2023, 01:56

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General

Target

d831d182e1fac9b8cc9e6528a46d8aa3.pdf
Size

743KB
MD5

d831d182e1fac9b8cc9e6528a46d8aa3
SHA1

7116b180cd881fc00c0f5f0b76af8dda99a6dece
SHA256

673eea44f74f5cae3ee0585bc23211a46f797cfeb46072781d4018199b78665b
SHA512

89cd8063da15b9e2c63c48c65d2eee4ae89189d4737f8ef84c3bc96c82749fd30d441a7456deda182002bb97299da0ed9c170265bcbdfd833940cba7956434e0
SSDEEP

12288:AfKTfXLN6GPH89sG3Y6Z079dzj1+Jc/fhXqkaQNri92IoToE96Ey8:IKTfJ6m89sGok07LjH/fFqkvc2ICoEw8

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
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 4508	756	AcroRd32.exe	89
PID 756 wrote to memory of 4508	756	AcroRd32.exe	89
PID 756 wrote to memory of 4508	756	AcroRd32.exe	89
PID 756 wrote to memory of 3956	756	AcroRd32.exe	91
PID 756 wrote to memory of 3956	756	AcroRd32.exe	91
PID 756 wrote to memory of 3956	756	AcroRd32.exe	91
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 1560	4508	RdrCEF.exe	93
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94
PID 4508 wrote to memory of 3316	4508	RdrCEF.exe	94

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\d831d182e1fac9b8cc9e6528a46d8aa3.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:756
- 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:4508
- - 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=E8C153C09C475BEF7D7519BEA412B0E4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=6501F81932EFDA9D911918F169931748 --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=6501F81932EFDA9D911918F169931748 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3316
- - 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=79BD3BD1E6452FC872C4C400F5ACC07A --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=79BD3BD1E6452FC872C4C400F5ACC07A --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:696
- - 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=5F1DAECB5692C7EB8D651909639ACACF --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988
- - 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=071C32A13CBFF9FDD043D52B17A38C5C --mojo-platform-channel-handle=1772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3208
- - 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=3382334EA2558D505A3070EEB794BF8E --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- 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⤵
  PID:3956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4896

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

Loading Replay Monitor...

Downloads

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
64KB

MD5
51c5ea65c45ab2f4e3f0991bb5fcc653

SHA1
e847a8cf1439852c268ffce8ccb509c14adc2ae1

SHA256
cbed2dfeb0c9f383d295e90d5b42047b115cdc61e5ff2cb9b2a4d873ef8f004d

SHA512
0063aeafc104b05a267201ad74fd0b3f13bea80993b51b5f739fe4302fe335f5ac00f6fd0cf3a1bcd9cb9cb3768a18dc7332099f71e85baa97ec8ccafdd2f815

Download Submit