24266387408c804103407675528892d3e977acce33ba1a370b33d84b8d652f5a

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 06:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

66e40d6a8a0e4de24907bc6852c1d8cb.pdf
Size

42KB
MD5

66e40d6a8a0e4de24907bc6852c1d8cb
SHA1

8d0938fd4ecf05cfbdbb6d2d15a34c25e9305803
SHA256

24266387408c804103407675528892d3e977acce33ba1a370b33d84b8d652f5a
SHA512

c6f071fec8d53ea62f4476cc6cd428b893b9bc5cc82a9db7f5498ce2292f4dde9121e114b67bdd5004d4d0a9825dc85236db579c12b111c99da3612e167805f8
SSDEEP

768:rb/Xd7S9X3xpZ3Fo1sDhRBo9fLfi3n0sEiqXdkuQYz+MEnUXVAkPn3hQGrEZ/v:rLX89X3xpZFo1p9zfKWXtuneV7Pn3h3+

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 3852	376	AcroRd32.exe	91
PID 376 wrote to memory of 3852	376	AcroRd32.exe	91
PID 376 wrote to memory of 3852	376	AcroRd32.exe	91
PID 376 wrote to memory of 904	376	AcroRd32.exe	94
PID 376 wrote to memory of 904	376	AcroRd32.exe	94
PID 376 wrote to memory of 904	376	AcroRd32.exe	94
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2120	3852	RdrCEF.exe	95
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	RdrCEF.exe	96
PID 3852 wrote to memory of 2232	3852	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\66e40d6a8a0e4de24907bc6852c1d8cb.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:376
- 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:3852
- - 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=E9AF4FC411E301187D5BA2F1845D880F --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2120
- - 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=C1CE5EC60ECCEDECDCD1CB8CF7BC4980 --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=C1CE5EC60ECCEDECDCD1CB8CF7BC4980 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2232
- - 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=3580BD5CB68BE7FE4437BDEE17755A92 --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=3580BD5CB68BE7FE4437BDEE17755A92 --renderer-client-id=4 --mojo-platform-channel-handle=2060 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3584
- - 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=1F16D6D7EAB5D267D195EFDEF57D902F --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:680
- - 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=47EA0370F1745C6D7621D15497AB0FA3 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=81D2B1C271B8A6E5161E6C989AA41758 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1652
- 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⤵
  PID:904

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
e2b06aa5f8b57ccb8677879c56768c77

SHA1
8bb03029b24fb6deef87a4571ab76fd8cbc62bfb

SHA256
c28b595af49283de86321ade92b3dea85479457e22f4b9aa7cbf6e4f60077594

SHA512
ca742505e7b752174d535121c5714abd275698e7cc29b32b6c2290d2ab26861a1b5951b5955932885fec0d43d1b7eb6d4c7f7caab155452d50f30622ed93b394

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