76f9ef4c8be9ee99ec85eee883ac1c1318bb33d883b63821d53d5215226f34d2

Analysis

max time kernel
17s
max time network
150s
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 19:06

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General

Target

0139bb51050c5cdf17f289cb9e201a0c.pdf
Size

81KB
MD5

0139bb51050c5cdf17f289cb9e201a0c
SHA1

c20f1bab3aec39df44f887db7f9230ebbbc54036
SHA256

76f9ef4c8be9ee99ec85eee883ac1c1318bb33d883b63821d53d5215226f34d2
SHA512

e49cffeb7889ddc881e55d1bb82e662da62ccc4c351ea570c5fdce444e6f1f4c7db9dfb0c555016ed53dd5356a394ff266524bfa662b5145244b94a9d828858e
SSDEEP

1536:MBn6Fffwsv2XhFKLB/gpVz0OQVGWPdr8vhyGfAWtcSD+huu8/iW8pO7oyu:qn6Fxv2XWYpdwGWPdrG0scSS58/J78

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 3876	4460	AcroRd32.exe	91
PID 4460 wrote to memory of 3876	4460	AcroRd32.exe	91
PID 4460 wrote to memory of 3876	4460	AcroRd32.exe	91
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 744	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	RdrCEF.exe	95
PID 3876 wrote to memory of 4888	3876	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\0139bb51050c5cdf17f289cb9e201a0c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4460
- 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:3876
- - 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=BFA62A58BFB7EE88D7C5A17A35B6AE60 --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=BFA62A58BFB7EE88D7C5A17A35B6AE60 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4888
- - 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=BB16B485D94EBBA01047BD23424CF7D4 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:744
- - 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=93BACFCBD34855FCE214769B8D04B685 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=B8679FDEA8DF829F2B6B3E2DF9822432 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:840
- - 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=BC2071E5C1234D992CC3806ECA5481F8 --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=BC2071E5C1234D992CC3806ECA5481F8 --renderer-client-id=6 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4512
- - 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=7532C1E4180F7C0C1A10FCA81F35B164 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476

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
0b9e24800b72646004aee0bb9d7ae826

SHA1
efdb2d5a7c623ecb90358fe5cd83212716ab0bf6

SHA256
4c924551f263fd425f94506026eb1d217880a343816706127c345588884e6bd2

SHA512
2628d882792d4af8c8b85a71ef6475679335347e8aa9fb21696dd7c766f116d82c7463ed8f1ac4d06b791f67513ccf97094f888a9956cb4e9ae3887b69ef4a98

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
memory/4460-25-0x000000000AAD0000-0x000000000AB20000-memory.dmp

Filesize
320KB

Download