90f543d975af1ef7cd7c31989dfe81d938ab7cdfbb1844f1877996bcaa8ea632

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 20:53

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General

Target

03b3fa6eefac9b8307169659f0f2092f.pdf
Size

90KB
MD5

03b3fa6eefac9b8307169659f0f2092f
SHA1

ab3aabc621129dd444bff76dd0b51b19c91b3932
SHA256

90f543d975af1ef7cd7c31989dfe81d938ab7cdfbb1844f1877996bcaa8ea632
SHA512

ad7ca51bfac14f83bd6c4b0aaa98526c657d3be1f30c8a99905e0ab9cf349a68c3fde0bd50de4e3fb6f5f7a960f3c6e2e39e9d8429ebf17f3df38ce3ce492ab7
SSDEEP

1536:9GF1mKHmFDeS/sEZ7iyaSG2tvXiWMmHJFB08GQw/oZX1VbPSSXkoTrwWCpOViIWr:4mQmFSS/9Z7iyaSG2ZXiWMmHJFuPc1VC

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4296	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1816	4296	AcroRd32.exe	90
PID 4296 wrote to memory of 1816	4296	AcroRd32.exe	90
PID 4296 wrote to memory of 1816	4296	AcroRd32.exe	90
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 2040	1816	RdrCEF.exe	97
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	RdrCEF.exe	96
PID 1816 wrote to memory of 4420	1816	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\03b3fa6eefac9b8307169659f0f2092f.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:4296
- 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:1816
- - 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=0B8B8B6B6F8E8B31038BF7D403F687BF --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=0B8B8B6B6F8E8B31038BF7D403F687BF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4420
- - 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=5EBD808F00299E78E92FD09A3E7D40FC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=E692F17B0CB0809050267BE8BAE51E9B --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4656
- - 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=C5C47CB4ACCCA8FB0602A1BCDD4B10F0 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=90D04DF390D59E10A58F8CAE0B2CD4DA --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=2D917959DE7926DF01382858BA652AF5 --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=2D917959DE7926DF01382858BA652AF5 --renderer-client-id=8 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4596

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
a68effb28bdabfdab67115f78e058fa3

SHA1
82b2a56794b71382b1499d00af9bfe2f8effc147

SHA256
d2ae1c129fd8ab12c3c8c5c9d11f9d7213234e70aa0a5a510cba8c6ad0789b19

SHA512
64dec7282a0009a80b7fc4147e6749633ab752fa13200f775545301f2cc9c92c7450381f9999076f633c99e05a8ac83987a60d44bbe4200403e5ae10d47f3b1a

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