42e9d3cd20d50d0095302966ae0d407369c7695c325e28ae977e411d52b186c0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:40

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General

Target

36782d1a52247a3d11f6e54281758e16.pdf
Size

93KB
MD5

36782d1a52247a3d11f6e54281758e16
SHA1

87e09c5e3e6a1698ba4508057cfbc8afcadae4f0
SHA256

42e9d3cd20d50d0095302966ae0d407369c7695c325e28ae977e411d52b186c0
SHA512

ea50b988f49fc785b40fad5c9cf9601c50995a47d900d489a25ccd7bd62fa171693dd11adbd791b34c8c8699379756eb6ff3ae9abb1706d708c12d68dfde7de2
SSDEEP

1536:lORkNuQGMM5/NGHC7Vhg9wN/FNKoqffGWCIQFJpJDFPEXG1zslHXWOpOwrKWeE8R:wReJgqC7Vhg9SFMoqn+9FjRVE2u9Uwr8

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1396	1980	AcroRd32.exe	95
PID 1980 wrote to memory of 1396	1980	AcroRd32.exe	95
PID 1980 wrote to memory of 1396	1980	AcroRd32.exe	95
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 2720	1396	RdrCEF.exe	97
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96
PID 1396 wrote to memory of 3684	1396	RdrCEF.exe	96

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\36782d1a52247a3d11f6e54281758e16.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:1980
- 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:1396
- - 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=39E8D2466232CD1769A004649E91001E --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=4 --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=39E8D2466232CD1769A004649E91001E --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3684
- - 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=26D1B70F167845E2FCB372F75C663A03 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2720
- - 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=50BB2B988FF3F903BAC55952A4884CAE --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=4 --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=50BB2B988FF3F903BAC55952A4884CAE --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2084
- - 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=1462D167CFD9DDF2D6F2D67D03A8987E --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- - 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=61681C5CBE97D0A078B1192B409224AA --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=56ED3181E1475C76731E682492F4F578 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
64KB

MD5
ff4e220420376c79d1c497adb0100703

SHA1
ee2a4e1d22fb3952c7767e4c8a9f2fb987281587

SHA256
aee03ee7a80f44fcf20e5c017b31d36aee74414ec81d8a87f3b248266adb4f25

SHA512
ff8288cff3dff53c5add41bcdd6744e77b90ed2579f6f6d497d1058e4277f63e3d254be803d8eff1e9f4ebb03e550409910771f04e9e2cc8adc20c72ef11b1c3

Download Submit
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
memory/1980-26-0x000000000BA20000-0x000000000BA70000-memory.dmp

Filesize
320KB

Download
memory/1980-28-0x000000000BA20000-0x000000000BA41000-memory.dmp

Filesize
132KB

Download