7ce224ca8e8c6867cf2f19f6c868e0d15dcc6340c59ee247b16c07dd80bd8d88

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 00:32

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General

Target

c483fdeef2947bbefd492ffe7631f087.pdf
Size

96KB
MD5

c483fdeef2947bbefd492ffe7631f087
SHA1

ec75840f8cd533da3f7e2a2ffb70b87efed4faa4
SHA256

7ce224ca8e8c6867cf2f19f6c868e0d15dcc6340c59ee247b16c07dd80bd8d88
SHA512

2151cb557298b8b4e5ac17a2b7bd9ce7230ead328b08899033dc90546a86a49c0f805c4c8899664dadc4f8e89749afba8affe3a75e02ca5d9ae5a84e08d28cf1
SSDEEP

1536:nNapYVshbvRBZmaqtSkn6py/vWJagmWJyw2F8tSbQ99JHsWGpOKCWEfbeGi4ui4k:omshLR7BBIvWbIwiQq4/HRKrGi4ui44d

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 3616	3984	AcroRd32.exe	94
PID 3984 wrote to memory of 3616	3984	AcroRd32.exe	94
PID 3984 wrote to memory of 3616	3984	AcroRd32.exe	94
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 4876	3616	RdrCEF.exe	96
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97
PID 3616 wrote to memory of 3568	3616	RdrCEF.exe	97

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\c483fdeef2947bbefd492ffe7631f087.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:3984
- 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:3616
- - 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=BABC68D86C9D8D5D8D9139E5092E2113 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4876
- - 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=8A9738A8D499A198C077010DF957A2EA --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=8A9738A8D499A198C077010DF957A2EA --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3568
- - 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=9CE13F825B4B9CC145C3D3E9E2E6A5DE --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=9CE13F825B4B9CC145C3D3E9E2E6A5DE --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2888
- - 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=65817BE0346592C415CA8CAC7456879F --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=5A90059242B9B5AA6F86AD3225E2693D --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=B57494006468DA23004DCA475DF44616 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2560

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

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Downloads

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

Filesize
64KB

MD5
3d7de09e490a34ecba2e4b95a4e5b7ec

SHA1
8fd16c0d6eaf73793122af058d7b3bda057205b5

SHA256
a0561ade6c1dac38844d6d655d7f0ce0c5a6c7e8414114d6daf1eaa8c5a53a61

SHA512
f42d8674cb20b80410218d04c067579500d03534ead340831630a01fea291574ac5a8827f9c15bd19c44cb0f463b7172debf0dd8e18062d2fca1193f2e3e5363

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