408969c89533420d4306c5fc1e7e6db24c0db5ffe7af2fb990c0d93b73e288e8

Analysis

max time kernel
159s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 17:53

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General

Target

a469d750c6f7941d010387f931ee9726.pdf
Size

77KB
MD5

a469d750c6f7941d010387f931ee9726
SHA1

cd3b781253ce537dc8a95773228ce5834367ce9a
SHA256

408969c89533420d4306c5fc1e7e6db24c0db5ffe7af2fb990c0d93b73e288e8
SHA512

efa8fb7dbbc2462ba95dc34472e229229799c05fee971c4daf291fe27e8300d52652e083fb3d6a39a8c17751fd54013752738b6f5ac18d52e986311703920af5
SSDEEP

1536:OoC8mRvmE7tE7rDUOeK4RdxadhLxUfWqZnYMJh8PIKyCIjxs91qDVM:VOvK7vUFadlxIUi53jE1q2

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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4164	2992	AcroRd32.exe	90
PID 2992 wrote to memory of 4164	2992	AcroRd32.exe	90
PID 2992 wrote to memory of 4164	2992	AcroRd32.exe	90
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3488	4164	RdrCEF.exe	91
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92
PID 4164 wrote to memory of 3528	4164	RdrCEF.exe	92

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\a469d750c6f7941d010387f931ee9726.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:2992
- 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:4164
- - 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=1B700D63386A5BBEF46D3E71206283BD --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488
- - 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=94630E4C583947FC9E4F3A260B24BD81 --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=94630E4C583947FC9E4F3A260B24BD81 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3528
- - 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=5E25507A49E64C1F537090F1705F5034 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1448
- - 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=834138738F38512ADABCFF84ECB82D52 --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=834138738F38512ADABCFF84ECB82D52 --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=95E0EEE966CC1CE8ACAB4ED3E738E402 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=2E6D64D77A8E93F2B16A02068B35FB8C --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880

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
36842c90007d7328a524b98d7818eaa2

SHA1
dd833ca698d9fdcf1ac62940564620e980d5f652

SHA256
dc5ff5e67245f36b184b3a470623030d66f7296c44a64e351be8e6e5b93af5d3

SHA512
7df582bec05f6cdd7d5bff4c66b8662551305550dfd24800dc6159135001d0ae1216887b36663d9f3a62c86e5792673c1e4e658da23f349f46fdc1fa4077d726

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