5a76fa16f77831098bf65bcc5ea132e977d2ed39c795e861d44f7a400fbd18d9

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 19:03

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General

Target

9c679b1c11277411a52866dfc4228e5f.pdf
Size

96KB
MD5

9c679b1c11277411a52866dfc4228e5f
SHA1

0c7f62dd785be18143e7204d7c60c2ece91e0c82
SHA256

5a76fa16f77831098bf65bcc5ea132e977d2ed39c795e861d44f7a400fbd18d9
SHA512

bc7a43ebb867021a0d3ebf024dd509d25ece0932b78727829429b8f7ae96ca14479e893770c22ba91207c1ba654adacb75729a2a3b70580e4f3d99207f57a0d4
SSDEEP

1536:5M75fkClFWFMEGi7XECY6DL8f81vAwCWGpOKksnsm/Wf67pzQMuWmPjOwc:W7W6jEHTEKL8k1vAiKdnsmPBQMu7PjOD

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 3808	236	AcroRd32.exe	88
PID 236 wrote to memory of 3808	236	AcroRd32.exe	88
PID 236 wrote to memory of 3808	236	AcroRd32.exe	88
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4648	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 3264	3808	RdrCEF.exe	90

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\9c679b1c11277411a52866dfc4228e5f.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:236
- 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:3808
- - 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=3ABF53C0AEB09D5CD59A1BE1F8F2AC86 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4648
- - 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=EF6F63E6A14AF6B8DF500C55945C2FD5 --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=EF6F63E6A14AF6B8DF500C55945C2FD5 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3264
- - 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=3E643B1BEC56190CEC6EE65270E99734 --mojo-platform-channel-handle=2296 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B1C924D92EF7C8C34B1BBE33D294D36F --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=B1C924D92EF7C8C34B1BBE33D294D36F --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2068
- - 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=E615C00A9BBE54D16151A9033D3FDF7E --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3860
- - 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=8CB4BC75854DAFB5AE36EFABA245A71E --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3192

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
b160406f098a68a39c3f19205a2f2e14

SHA1
df68b736ebd09bedc0b254249f051825cb3da7b8

SHA256
5ac1693101ff94176c65f1ec70920447d083563157a82da9ce138ac4d813392a

SHA512
638b41fe27bff50f70e678e2e27f1bfd817b15d4f34e5dd4a9ded844930b1bbad78b80f3ed8daa5938eb34ee64c7f26341c5054bcf1c74f3ad8f12e2ee93cb0b

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