954d17c39a7dbdf8a5fd8f1ee9f8db946dc9a79f709922df920d0af6d6ba453c

Analysis

max time kernel
167s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:36

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General

Target

38455ac437920b80e4df5152555cf855.pdf
Size

87KB
MD5

38455ac437920b80e4df5152555cf855
SHA1

177ab969a4f917865c44d5e184f87c58b69cd98a
SHA256

954d17c39a7dbdf8a5fd8f1ee9f8db946dc9a79f709922df920d0af6d6ba453c
SHA512

9b5cf00b567af76b7179d0df97ec53f994981cdf576cd9ab800948629056b81fe411bea6d5d2f4d71a4d66725e81abf28676801f49784888292186a8dfd22a96
SSDEEP

1536:LnjpFftItDoOXWT7LRQ2R/hmOvAAvSgz99yheW9AqYz3+ayP37WHpOvTWEKyQ72E:PIDfQ7LRQ2R/h60Sa9S19xYz3+a+5vuV

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 4604	3256	AcroRd32.exe	92
PID 3256 wrote to memory of 4604	3256	AcroRd32.exe	92
PID 3256 wrote to memory of 4604	3256	AcroRd32.exe	92
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 3692	4604	RdrCEF.exe	95
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	RdrCEF.exe	96
PID 4604 wrote to memory of 4600	4604	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\38455ac437920b80e4df5152555cf855.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:3256
- 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:4604
- - 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=D4F4187408972164675805C9A5EBBFEC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692
- - 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=5AE178D3FC7F98D862F4E292F69DA496 --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=5AE178D3FC7F98D862F4E292F69DA496 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=625C6323F21540943D90DDEBED1B5A0C --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=625C6323F21540943D90DDEBED1B5A0C --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1056
- - 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=7277E34A71A75BDE582A5B08B860D802 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=31125355D04C73A5C57D3F4B815E4728 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632
- - 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=2956380CA099C6EB76D7800552B99122 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4936

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
20KB

MD5
b21fc874880ee0828617d85a60b99d8d

SHA1
2633fa6ede781ba988f2ee2aabfa7511701b52e9

SHA256
6cb0e277b608b0dfffc7bb0d15ecc1b65a6a03d230e08358f4c939b519203217

SHA512
4c1f020f0dd9d8b07ecc82f59bc8be450816479c04fbe776b60779867679a244e7ca955e26169a7c266cdc1e859055e4770adcd513d872a2133d8b039b8fa946

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3256-28-0x000000000C5C0000-0x000000000C5E1000-memory.dmp

Filesize
132KB

Download