44358a645d331b8509d6e4e748e2c4278b30128c056eca95c39e7c93225664c7

Analysis

max time kernel
143s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 16:18

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General

Target

e21752b77f81570cd3cf5d8f8de8af73.pdf
Size

78KB
MD5

e21752b77f81570cd3cf5d8f8de8af73
SHA1

78632d3ec8afe7f99e48baa09d194c8536f5365c
SHA256

44358a645d331b8509d6e4e748e2c4278b30128c056eca95c39e7c93225664c7
SHA512

bcd806a7296408bbe70828827ebfa4fc71e1c4a7e1bcf9a5db501a15a25013264bd204819e8ca36c239808d4e7f08dddfa12d90b02119bbff87feaa15147b521
SSDEEP

1536:Okm1+862c5CuCtq15mejfAsThUvU9mWfzcg3TSGprMAUmi8OzS4lPAOfV:5XUusejIsTh+Um073Tk8i8OzSJS

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 1400	2668	AcroRd32.exe	97
PID 2668 wrote to memory of 1400	2668	AcroRd32.exe	97
PID 2668 wrote to memory of 1400	2668	AcroRd32.exe	97
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 2036	1400	RdrCEF.exe	100
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101
PID 1400 wrote to memory of 4852	1400	RdrCEF.exe	101

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\e21752b77f81570cd3cf5d8f8de8af73.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:2668
- 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:1400
- - 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=2A81724874CED73EEF5E8EFC7942807B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2036
- - 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=045D8847A955A42869887093D22ADD1D --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=045D8847A955A42869887093D22ADD1D --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852
- - 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=E3B1EE2AAF3753EF77B3D9DA58E6CD43 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296
- - 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=2B72B309CDE1C1176AC7D2E7E532E00A --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=2B72B309CDE1C1176AC7D2E7E532E00A --renderer-client-id=5 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3080
- - 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=27F23BCF04202162845B836019881708 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612
- - 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=1756D2CD0542A1A518565D9916E71875 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944

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=3340 --field-trial-handle=3536,i,10914981530159316853,12381340356750224673,262144 --variations-seed-version /prefetch:8
1⤵
PID:1540

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
c3928975c90f6cdfb8bef72028588cc9

SHA1
12637ff6cd72f2673d518b031b4bf6132efb5ce6

SHA256
fb60206393d8bae836cdd6864382418512ad91e68b9ee3026d4cd9de4db43c33

SHA512
18d1fa92f320f4ab5a4fc077ff80b5c627b552ef1f095789657e85da278ed191c3edf7d512545a14e42dc60e1665d66d9283057f824da0fac4474100fd37e4f9

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