2f65e6bac60a93b51d2e792ab5e7f44e59c53e7e5416ec516b2cc81382c02b2b

Analysis

max time kernel
148s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 07:14

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General

Target

781f0b6e63e8959b2643148f876d1ce7.pdf
Size

65KB
MD5

781f0b6e63e8959b2643148f876d1ce7
SHA1

95d2d1305f39cd7bf814c265c70ca3677e6af042
SHA256

2f65e6bac60a93b51d2e792ab5e7f44e59c53e7e5416ec516b2cc81382c02b2b
SHA512

d47f0bc00f3ba66589881262008f677b1c80b65ee4e44fe26a14ab98f4b89262934abb4559f482b3c59787db8e3e440e132d2c59e276549d28cded3859663cc6
SSDEEP

1536:mGlAHQN4fpyHtgYRvsT8MT1u7686EG+UFpqho9FCbQ2T0rLxq99a:j12fpVYRvuxYmudUFpT9AU2Tre

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 4716	972	AcroRd32.exe	92
PID 972 wrote to memory of 4716	972	AcroRd32.exe	92
PID 972 wrote to memory of 4716	972	AcroRd32.exe	92
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4788	4716	RdrCEF.exe	96
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 4372	4716	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\781f0b6e63e8959b2643148f876d1ce7.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:972
- 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:4716
- - 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=BA35B449C5BA60E3F62A4021A41AC7BA --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=BA35B449C5BA60E3F62A4021A41AC7BA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4372
- - 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=639257B597F2AF256E99C2610B67099C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4788
- - 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=15C7A62ED51CFC2F55A8B98AAE26F615 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1848
- - 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=30B2B9468FAA3ED2E41D2E95E5CEC873 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=4A455AA2C1EABD56864FAE87A97DC7DB --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792
- - 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=FA00A1B2DF585908D58AD043F181F592 --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=FA00A1B2DF585908D58AD043F181F592 --renderer-client-id=7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:216

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
42c1a1240cf2d0634e16823f65972090

SHA1
797ac6b3affcadf07edaca2f09fbb3086dabf0f2

SHA256
7fec6577eaa180898391370d84c8be9723e310e3d521113b4937dd0e959812b1

SHA512
d47e61ba84098968f63257410334cb45578336f8f2bfe1df905f5c642051a18f1c13804c4fc79062b7942a54299217492f09adc39ee7033dac3285c7e74db324

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit