fe8b8e044966389fc36cbb6363b8c18439d58af9e120498a774e4e07e51e730c

Analysis

max time kernel
4s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:11

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General

Target

0545b2dcc57696931cdcb9648cbac300.pdf
Size

89KB
MD5

0545b2dcc57696931cdcb9648cbac300
SHA1

19898fd628d84f10b3f1e86beea45f9d0ca73a94
SHA256

fe8b8e044966389fc36cbb6363b8c18439d58af9e120498a774e4e07e51e730c
SHA512

e7f62de36c7a2d71fe5e6df7a10249878b6b133228fbcc1a508a4e417f6097cf9b25d63b3e429cde04deaaba56648fba0fd8102f760af9c04ffbb0a8d57a3f4f
SSDEEP

1536:1dVbnFxH23vZUjRvwaQF2szC0IvYA/07oHpZ3s3mZVZh/ADF24P4HwfJKzPtJWGH:JbnFxW/ZUj5+2szcYw0ypJ1ZVZh4k4In

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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 use of FindShellTrayWindow 1 IoCs

pid	Process
4716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 1496	4716	AcroRd32.exe	93
PID 4716 wrote to memory of 1496	4716	AcroRd32.exe	93
PID 4716 wrote to memory of 1496	4716	AcroRd32.exe	93
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 452	1496	RdrCEF.exe	95
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	RdrCEF.exe	94
PID 1496 wrote to memory of 4848	1496	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\0545b2dcc57696931cdcb9648cbac300.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- 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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1496
- - 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=385E4DBAE215D4D3AA9A1BDEDD4FC860 --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=385E4DBAE215D4D3AA9A1BDEDD4FC860 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4848
- - 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=46640CD3FC9AFF5F69C118F479173A3A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=11187903A26C3B653CB432EA2698DE6C --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2248
- - 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=B5AE41E4B7E1D46D1B9464AD2BCC3B90 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2276
- - 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=26C96176D4D6D28B6E4226F3E236496B --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4620
- - 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=78CB871A9A151284A529CAD2337239A0 --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=78CB871A9A151284A529CAD2337239A0 --renderer-client-id=7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:776

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
fef3d94583decc7cd775abda9226a958

SHA1
fb61e4a1aa75ae7d9c132f478c5af1b50948054a

SHA256
ec7b330bccce251dc293396f626307835c1c6dacd066a31af71ef517574d171d

SHA512
3e4bde3ce793565390afc25bbd803244800fc57e960493ecaed1d906111479a68cf347a27b38cc17bf7a95465b20140b75e8c814efa78d38629717a871351b3b

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
23KB

MD5
7dc58d0e8fb235edd7ccb05712544b87

SHA1
2549f7f9fe5e1e6b3a91d53ceaa91408dc8ca304

SHA256
d83c0a59da8c8126d209de9376f2e230c3bd4f98a7ce120d0e223f80822b78eb

SHA512
e52baa284d0984b5d18a2353ca6eeb84791a1cfd9762427281878f9cee6a945be4d5cf775e200a281c5eabcd3bdf4e56e22e37fa46f2a5057e77389180a7614f

Download Submit