778ae5f4a1b51da21d5e324302c65cf92697adf83a18db20168167b9c547a5e4

Analysis

max time kernel
161s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 02:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c4c3fd61c51906bb7ad71549065759dd.pdf
Size

58KB
MD5

c4c3fd61c51906bb7ad71549065759dd
SHA1

9e8fee0db96dec2c8470336b8d514ac4f721c037
SHA256

778ae5f4a1b51da21d5e324302c65cf92697adf83a18db20168167b9c547a5e4
SHA512

f0bb6f0ccaae4dea00368bec5365157333b4c7e05874416c82521a4dfe9160ac73592023435be342b8b6bf353e9104674f2e400c90155657eea9bf78c744b304
SSDEEP

1536:ETmUVypILMyziFncpF3dtq4HSWnpRU7IX0/YBnbCJc3Y/bv:umUVywMYrDqUS8pm7Ik/YBnq

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe
3240	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 4052	3240	AcroRd32.exe	103
PID 3240 wrote to memory of 4052	3240	AcroRd32.exe	103
PID 3240 wrote to memory of 4052	3240	AcroRd32.exe	103
PID 3240 wrote to memory of 3144	3240	AcroRd32.exe	107
PID 3240 wrote to memory of 3144	3240	AcroRd32.exe	107
PID 3240 wrote to memory of 3144	3240	AcroRd32.exe	107
PID 3240 wrote to memory of 1800	3240	AcroRd32.exe	108
PID 3240 wrote to memory of 1800	3240	AcroRd32.exe	108
PID 3240 wrote to memory of 1800	3240	AcroRd32.exe	108
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 3360	1800	RdrCEF.exe	111
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112
PID 1800 wrote to memory of 1268	1800	RdrCEF.exe	112

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\c4c3fd61c51906bb7ad71549065759dd.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240
- 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: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" --backgroundcolor=16514043
  2⤵
  PID:3144
- 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:1800
- - 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=8E4950104F13263A01D933C943957B9C --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3360
- - 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=1358035970E3DEF72DC0100CF48CFF07 --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=1358035970E3DEF72DC0100CF48CFF07 --renderer-client-id=2 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1268
- - 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=5F27A259905B8C9CEF37F4A8619CD5BF --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2148
- - 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=1C6DE657CC72F19C66C94000133F99A9 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708
- - 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=21559D24B633AF21E71D83BBB9198D74 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- 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:3700

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3808 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:3256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5000

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
2e7284d968ef2d8df2b6f1fea055cb63

SHA1
3bb9982168e6524f617de0a1caa2e33e4157faf0

SHA256
7d6a4d9b677c203b02015fc48aa99b92712d608df3d1e9ba4167f20672f513f9

SHA512
0a2416713851bc659b40ae476735b71057ee4b0a2c60453f5204537026ed22d44ca67fe97a2ba713a34adb42a2238fbc09cbb14152f4cee0cb3bafca5bd8a7fd

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit