3fcbd95d5c80576bbc88d872f982bb2531a074f5a7814b2e64059995ff02f482

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 12:19

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General

Target

c899d135d7aee74289ee3f8424c3416b.pdf
Size

33KB
MD5

c899d135d7aee74289ee3f8424c3416b
SHA1

9675c75bd3a7d00a4a3b6688c19ab194ee47d564
SHA256

3fcbd95d5c80576bbc88d872f982bb2531a074f5a7814b2e64059995ff02f482
SHA512

c3c44af4abc769a07adf6ad1db1ce3f0bfec0575d77917c1f3671c307736c2efebbe0123d7472268dda9e178d75f329fa35c24f05d054b0abcecab9d22d5ea56
SSDEEP

768:h9JBfO1ASBN6cxxelOIpq2rIipTI84+sDBfHsKPH0DoUPEdw/xpCSFX:h9JBfOGSBN6cxxelOIpq23TI845fHs2S

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 4872	4236	AcroRd32.exe	85
PID 4236 wrote to memory of 4872	4236	AcroRd32.exe	85
PID 4236 wrote to memory of 4872	4236	AcroRd32.exe	85
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 1748	4872	RdrCEF.exe	86
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87
PID 4872 wrote to memory of 2168	4872	RdrCEF.exe	87

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\c899d135d7aee74289ee3f8424c3416b.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:4236
- 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:4872
- - 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=07B36C18C6780DA7BE722AFC009777E8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- - 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=3A23C881E0B47B1A9FC097E24E2D04CB --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=3A23C881E0B47B1A9FC097E24E2D04CB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2168
- - 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=CB3F48E3AF6827423E135515353F3FC8 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=D7E8CCE92DCB27EF9BEB7C171FE0CD5F --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1144
- - 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=41686BE820C2F83CA533A61ABB68B9F1 --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=41686BE820C2F83CA533A61ABB68B9F1 --renderer-client-id=6 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2984
- - 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=C0D78136D3F2082942DDDAC1AF5485D3 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4080

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
2dc9db0d8e6da04ca3ca0fc1be6fcd90

SHA1
f41afb476a30425db6e6d2c0aa035030d83ddb2c

SHA256
8b799cb76055002d9a4287cbf747a810cc1c625dd7c80103c0061d838f34d8f3

SHA512
6d9a11672ea05c12a89ee633f627e42ff7a344889e51e895479fd2226a6a910fcf0c40c69c2118c27ff320bf4d177f02f2f28d7188c91199e80515fdbd031c79

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
memory/4236-27-0x000000000A270000-0x000000000A291000-memory.dmp

Filesize
132KB

Download