f20ddb0b8a7f5691032de2ea1cd3400ffee0036ee16844f34992e6bf3d8da816

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1b5955adf93ba4f8b3300262f7d7c5b2.pdf
Size

88KB
MD5

1b5955adf93ba4f8b3300262f7d7c5b2
SHA1

15ebc03b64d6867b0db904634cf7b2ead44298ce
SHA256

f20ddb0b8a7f5691032de2ea1cd3400ffee0036ee16844f34992e6bf3d8da816
SHA512

2558dbdfbf58d3f2aef93913327b6195a224f90e642eab0e81d93de62a3ca6d43585d8ea6d689c0a824553eed25091a42c7c6c7d2c7a374017b851f169d21caf
SSDEEP

1536:uWjanbrp6r0pVYgrXTIgQmBZ4J1kzwmMlWkNpOP9DE6KigWSdVVvU7yrp:TebrprpXP9BZe1D/uP9DJKic8m

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 2220	4516	AcroRd32.exe	91
PID 4516 wrote to memory of 2220	4516	AcroRd32.exe	91
PID 4516 wrote to memory of 2220	4516	AcroRd32.exe	91
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 864	2220	RdrCEF.exe	92
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 5092	2220	RdrCEF.exe	93

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\1b5955adf93ba4f8b3300262f7d7c5b2.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:4516
- 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:2220
- - 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=C9FC5FB52A88B89FBF87C5C6356B3BC2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:864
- - 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=D295960215E8F8B57FF6907F6ADFD544 --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=D295960215E8F8B57FF6907F6ADFD544 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=23476CC4CF8EA10E8FA1A4E1BA10FB44 --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=23476CC4CF8EA10E8FA1A4E1BA10FB44 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=18AB082992378960FA2B3BC76EC1B138 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3652
- - 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=FC3FD63C576EF92112A566BD91E5395B --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3932
- - 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=5348BC45BE2055F916B3BF5C4A15AD6E --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4288

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
8ef7df14f7dc14754575d1267f1e0cf1

SHA1
543f65747d2218ac886e7b080236671ecacada85

SHA256
c6221403a92d85001e65517be6922d40c7c940b3915a56c2c0f8c065dff25e30

SHA512
882c8289460f33bd593c43691e8a8f727cd15e107ec50fe757aa7502cbd0bd0398a5ff6e3995456d7a3ea97e96c7f0f190dbd414439353b2b758f1d0267b8f05

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