6df59a4bf7aae05fbd149656c1a9eabeb2bec9f36caf651ed6093597fc3a619f

Analysis

max time kernel
172s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 14:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b8ff93a7624d5b1217145620aac5deb2.pdf
Size

34KB
MD5

b8ff93a7624d5b1217145620aac5deb2
SHA1

f9d09ce9e8d351bf52815431f8d8b1fa53936630
SHA256

6df59a4bf7aae05fbd149656c1a9eabeb2bec9f36caf651ed6093597fc3a619f
SHA512

6d40e343686958f744112cd3bc79f9098837e1b50908d4516c556aa9a215622a37551bcd4dfc4813baabfab881ea24bcef313f77dfabeb60e68a09d052b40aff
SSDEEP

768:Cgpmp1s/s+zEeMjyIl4f1+/OkvxZdr+nGpy:hpeQzlMjyI6f8/ZvxZdYGpy

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 4052	4020	AcroRd32.exe	94
PID 4020 wrote to memory of 4052	4020	AcroRd32.exe	94
PID 4020 wrote to memory of 4052	4020	AcroRd32.exe	94
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 4244	4052	RdrCEF.exe	97
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98
PID 4052 wrote to memory of 1852	4052	RdrCEF.exe	98

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\b8ff93a7624d5b1217145620aac5deb2.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:4020
- 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: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=FD1B9FD7D43CD903C08031C535D7F03A --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4244
- - 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=612660B471AE173D8529105A685CB685 --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=612660B471AE173D8529105A685CB685 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1852
- - 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=FCE920683BA266A49E3EBE8054A43722 --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=FCE920683BA266A49E3EBE8054A43722 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=CC37F28D7D57214E20229BA655F5C34E --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- - 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=A1F6F0507D23EACA8637D7A66DB1AFF1 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=50F90560FF055164BFAB0A6DA056441A --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:60

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3100

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
1b376a7379627698eea256928256c4c9

SHA1
22ce78e382dd16a93b30edd90a66829be0408fde

SHA256
fc5af1752db3f66cafd5402fc69b9046ba62ad20fef09ad1f487c9d07c5db4ce

SHA512
ade250ba7a1921e269b97ef7f95e3ad146546b7a1ca3faf8e07e9079589050d72aac02ccd2606995ea86dffbb42bfca8c9cf7a29b53508c26babc6ad23f5a603

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