d95f5842f17a595d9e28ce4deb80c0ae3fc7c03e07c906f8639fd5d154c3b218

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 17:08

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General

Target

virussign.com_14e252c64d9d2dca87c6e8931b6a7fb0.pdf
Size

533KB
MD5

14e252c64d9d2dca87c6e8931b6a7fb0
SHA1

9caafed7872d892dbf86411e47ad15a41d43ce99
SHA256

d95f5842f17a595d9e28ce4deb80c0ae3fc7c03e07c906f8639fd5d154c3b218
SHA512

b088f36f959cde8d2f2845129c2ae735e5d7731ba944e50c1b888d16aa02b28a38c450153ae88166c6623cbd340db534c7641bda80c5348f520925ce8acf5bf1
SSDEEP

12288:PdhYsSDNIpi9XoLODsQuunFcHwjYvOhJBTLEa:PdhyDNIpiqwsQWECuJ5l

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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe
2504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2324	2504	AcroRd32.exe	87
PID 2504 wrote to memory of 2324	2504	AcroRd32.exe	87
PID 2504 wrote to memory of 2324	2504	AcroRd32.exe	87
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 3412	2324	RdrCEF.exe	88
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	RdrCEF.exe	89
PID 2324 wrote to memory of 2188	2324	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\virussign.com_14e252c64d9d2dca87c6e8931b6a7fb0.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:2504
- 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:2324
- - 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=A17E1F81C9044192A2F20EF2AF39EA8B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=43F594C3DB4034414E701E41C8CAA7AB --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=43F594C3DB4034414E701E41C8CAA7AB --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2188
- - 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=AD4C5435B406C3607EB1FE2732DEC21B --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=33FFB23EDBF00D1B03511995D9464775 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=6A6425B4ED2BBD24A0E354093A3E2D06 --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=6A6425B4ED2BBD24A0E354093A3E2D06 --renderer-client-id=6 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4352
- - 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=FEF808C81CCB5DCFF16B31A27E83F5F7 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4020

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
5470a0848e4d73c3b6e89ed4b50d1f33

SHA1
6935d0b1a6db6dd5305e803916aac0a2ed4a0cdb

SHA256
6ac610c0083e12ba594623ff59831a8274b02ae049fb95586c9e7e78a5571515

SHA512
738d13ff00d33c46b212f2150c6c701d2af44ce357db9c25a6a2c6f3a0f6a301184647bf164fdd9aa22c6a602d3f3cd404891ab7a34bc3d4f6a263c06b2c788e

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