1fba3648d8ecb85e7dc0743dc87eecec472e025076559017358a89ab174082f8

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 13:52

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General

Target

a20272ed5c919af790801ddfef33cf36.pdf
Size

82KB
MD5

a20272ed5c919af790801ddfef33cf36
SHA1

2b7d502d939c914e38417bd78342f5ece211147c
SHA256

1fba3648d8ecb85e7dc0743dc87eecec472e025076559017358a89ab174082f8
SHA512

7923fea3c1a97d93a5e0d127fa8dbbc1b87e9f159f2be531f2bad7c541fad1deb4e7eb9e1c6deb61c76122c68e893dc9136d035480fcd525cca76ad5c81725ff
SSDEEP

1536:DaU6QajgOrRn7X2B0k7Dqx6m+GG4JoJZJcyAbB9TeR+zlmTAk0zW6vxxYUEWApO1:2UvegOrJCDm6m5z5k0tJT6XeczwA6h

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-1-5-21-1414748551-1520717498-2956787782-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4432	2044	AcroRd32.exe	90
PID 2044 wrote to memory of 4432	2044	AcroRd32.exe	90
PID 2044 wrote to memory of 4432	2044	AcroRd32.exe	90
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 2288	4432	RdrCEF.exe	91
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 4936	4432	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\a20272ed5c919af790801ddfef33cf36.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:2044
- 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:4432
- - 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=4B264229254273A600FD81962928D351 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=302FCA66B5A79427B445CE65D49B861A --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=302FCA66B5A79427B445CE65D49B861A --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4936
- - 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=FE53D937710145DBF546277A2F3FF00E --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=FE53D937710145DBF546277A2F3FF00E --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4416
- - 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=9A344B80B3F32054CDC49F166EF4A58B --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5040
- - 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=D57BA087147E4BFE121E1233B7EA601D --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=2F221712090A745D8EA04E91CCE3AFD9 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3780

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
a080b1e15889271f0738e1835f0450e3

SHA1
f6f551c428072ab817e29e5182a2abb0d3c8ae04

SHA256
baf40f8485c12a2aa241da0b3ce7cb549a8b1eb35215f0f9689dfd8ebbc973ef

SHA512
4efdc93003fd0048e1c5fe2e44ba587c56dfdace62a7fd8c2e0b46ac85d328dc70e8a7d8809b08139a244bff9fedff0fd4d8359d5ffe4ce2f181b39772918fda

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/2044-133-0x000000000CD60000-0x000000000CEAD000-memory.dmp

Filesize
1.3MB

Download