a2bee4cd483b64cdf117a21fd438e610a067d02b9042b14ac8918adbb8606025

Analysis

max time kernel
16s
max time network
137s
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 01:40

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General

Target

231bb37306c3cd28691b5ffa3a00a7cd.pdf
Size

114KB
MD5

231bb37306c3cd28691b5ffa3a00a7cd
SHA1

843bfead9eac89f89b756415561c3e1d63b63dec
SHA256

a2bee4cd483b64cdf117a21fd438e610a067d02b9042b14ac8918adbb8606025
SHA512

9153f3e5d864ed6424845503f27ad73567f04015250f5a1fc1411b405586d47871d3ab85d4427e005e6f1b6782d50fe928001e56ee99d03fb403d5fab4e7a7b7
SSDEEP

3072:8kQYu8wXm7ZdD0kIu6R3Fi5NLtXMzscziSkITK3VoEr:ZS8wXm7ZWk+R1ibJ8zZK3V

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 behavior: EnumeratesProcesses 20 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4088	2884	AcroRd32.exe	91
PID 2884 wrote to memory of 4088	2884	AcroRd32.exe	91
PID 2884 wrote to memory of 4088	2884	AcroRd32.exe	91
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 4296	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 1228	4088	RdrCEF.exe	92

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\231bb37306c3cd28691b5ffa3a00a7cd.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:2884
- 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:4088
- - 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=C45D311E834654CBEE7E07D98CB4CA3E --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=C45D311E834654CBEE7E07D98CB4CA3E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1228
- - 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=5AF0673C84BBC84CAF70C63B3247A991 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=4CDA173A11AE8F3663D43B972266CD00 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3856
- - 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=F34E0FEFBDC3FE8CF7ECE42A89D420E6 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2148
- - 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=8915F2C0DC85F86E0B4499A470390FDC --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=31CFAD881FA1FFBD5B84D7EC3E2DBC56 --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=31CFAD881FA1FFBD5B84D7EC3E2DBC56 --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2800

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
5dcccc8593d4670e8382a02d3ba637d2

SHA1
202b21d0250a5147b2a46ee139e60d0b4314b5a2

SHA256
e41f772a01ac062de024515d013de9f8ae86754a426dd1e973e3259737419a2c

SHA512
4a4a35bde18e41d02e6de399c86e8b256cd0a4ecf899fdacad76f2e5bb437f6164f22be9b5cc2b6165308971b37e18c00a448c7186f7ab178a176e00fe153d39

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
memory/2884-26-0x0000000008D20000-0x0000000008D70000-memory.dmp

Filesize
320KB

Download