bf4d56004ebeccebb55f1e3cd6a4c797ea91294c7d07a38a4a4ffe79b0b3271a

Analysis

max time kernel
137s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 09:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PRISCA_Product_Presentation_EN_PT.pdf
Size

2.3MB
MD5

b3c9b1dcc35b0a0c34bb1f6aa2c5b799
SHA1

032224d8560869de323483d2d29d11a1fadba432
SHA256

bf4d56004ebeccebb55f1e3cd6a4c797ea91294c7d07a38a4a4ffe79b0b3271a
SHA512

e08f0f57c4c97123a5c7b1b2c0e132ce62fa635b5804a32ff3f5874732112745325acc6a5231fd6ffca06efd2bef8448dadde2334aafef3a9357a09d118bdccf
SSDEEP

49152:Bf4GK5+6N6fuIKS/lpreK4lVsR86WuShOvrCsAmQSeuqMJkgiFc3uKLOrFHnUVUI:Bf4G0+w7WKK4lVyDS8jCm3eQJkJCeKGu

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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 4972	468	AcroRd32.exe	88
PID 468 wrote to memory of 4972	468	AcroRd32.exe	88
PID 468 wrote to memory of 4972	468	AcroRd32.exe	88
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 2028	4972	RdrCEF.exe	89
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	RdrCEF.exe	90
PID 4972 wrote to memory of 428	4972	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\PRISCA_Product_Presentation_EN_PT.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:468
- 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:4972
- - 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=0BF551614D18992200C71CFE6DFCFFB6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=5DA91E6C8DF08DD654F0DEAC701BE38A --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=5DA91E6C8DF08DD654F0DEAC701BE38A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:428
- - 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=90A37C3972AD623E057C2A7646A12D58 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280
- - 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=C4DB30E341D60D958DF842A0199253F7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64
- - 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=15BB3051FEA90B0286424F7691A07D27 --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=15BB3051FEA90B0286424F7691A07D27 --renderer-client-id=6 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3340
- - 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=746C45D322E343EFC282017D5A51CAB3 --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1276

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
d4aa1fbe90adf383c97e502eb6a35f26

SHA1
8f930716a16cb67178f01b0a0582245dfd1fe7ae

SHA256
4c7ab582ddcbee75b9fd67ac36c4c21f169935d841f094aa865138d3a576afa0

SHA512
04d3b9a9a92a58ebcee9cbe94d1406f7658e5e47d0d28be13876de473c2e4a52dcb82a684f81f040ab2e5990dce0312e707fb991e66cad64186a21777ced18e2

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