d5aeb3e547e305d2f7cdbf8612d065c658be9fed03f0c567912573e21ace80b3

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2023, 19:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

nato security briefing.pdf
Size

976KB
MD5

52726ba933e0b9ae470c450df0b462d2
SHA1

698ec4be5a24f6314b2ad408a9abbd3fa4d5bd1f
SHA256

3beb33898d6436e57ab81ac882c6223cd78deedcd3473769281217726b8d461b
SHA512

750bfe07838ce3c1427188370be873b3a6c27e50feed81537df4a5a7aeec1202e38e745e0f8b257418d1bc4d7e8c2f7cc913aae83915611d901ecef158325e05
SSDEEP

24576:V1v+9laumXOLX+QQLGd9ns3VsFInXiBL4v0CHVHGPe08gGWGagS:VRClQoMGw3WWCL4vP1Se0NGW5

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2004	1524	AcroRd32.exe	87
PID 1524 wrote to memory of 2004	1524	AcroRd32.exe	87
PID 1524 wrote to memory of 2004	1524	AcroRd32.exe	87
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 1924	2004	RdrCEF.exe	88
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4252	2004	RdrCEF.exe	89

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\nato security briefing.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:1524
- 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:2004
- - 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=8AC16FA9CADEC40F40B676E8081FAC68 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=B2FDB71C5432A0A614A5968656C1EF9C --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=2 --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=B2FDB71C5432A0A614A5968656C1EF9C --renderer-client-id=2 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4252
- - 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=15C42571BF2D67F173F6E2BFD6014BFE --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4364
- - 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=C91B6F3501CDFE92EDD59EFA6CE5CCD8 --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=2 --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=C91B6F3501CDFE92EDD59EFA6CE5CCD8 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3532
- - 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=9E79E031446238733BDF3E98DC9E5A7A --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2732
- - 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=CDC357617A953DC28FD51F8B3C4EE4CD --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
425a3329b21bb9b711a67c81be1cf575

SHA1
79967e8898201447ce5b5cd01e8198bf5820c8e2

SHA256
fb99757021ff3362cd21b68568a499899c7fa0074d48c340723d53c3765eee9a

SHA512
001ce9e6d45e394d865617b975e6134e065f4dbf34ac971f4856d2fb058c5771b973fc12098aa5cf99b5cef3162de8b47ce5e1a5e52f3fb1702ea205b96edcef

Download Submit
memory/1524-262-0x000000000B2C0000-0x000000000B40D000-memory.dmp

Filesize
1.3MB

Download
memory/1524-265-0x000000000B2C0000-0x000000000B56B000-memory.dmp

Filesize
2.7MB

Download