48097ae32e2d032898cc4f7c9ba96358dd99dc39ba24148d4f0612db09f83643

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2024, 09:59

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General

Target

virussign.com_8e2f1884d5f5d3a97983f0dc02adb4d0.pdf
Size

488KB
MD5

8e2f1884d5f5d3a97983f0dc02adb4d0
SHA1

a0ea42c72520939d5d5ec1164d3d3cc67503ee69
SHA256

48097ae32e2d032898cc4f7c9ba96358dd99dc39ba24148d4f0612db09f83643
SHA512

3ad911431d2da5c52882035c2a2f34a2f34cc9194c1187b9cf4d39ca9cb4c01cc441b205c3b4bee50cc9d673126ac8119441816d9dd80ac2a86f71eabadc6602
SSDEEP

12288:U0+FIBH4bPETYDRpVO6+CXc/aU9Y70xoqtEnLzeZq:UraoETYDRvJU9YQu3eA

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1348	3716	AcroRd32.exe	90
PID 3716 wrote to memory of 1348	3716	AcroRd32.exe	90
PID 3716 wrote to memory of 1348	3716	AcroRd32.exe	90
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 4928	1348	RdrCEF.exe	91
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	RdrCEF.exe	92
PID 1348 wrote to memory of 3100	1348	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\virussign.com_8e2f1884d5f5d3a97983f0dc02adb4d0.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:3716
- 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:1348
- - 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=ECF26236E42EF9E1AA5E197AE1CC54ED --mojo-platform-channel-handle=1740 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D9D0C08A6A7B56BF2EF91873CFF9B9CF --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=D9D0C08A6A7B56BF2EF91873CFF9B9CF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3100
- - 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=C3A9FC4EF492A1B8F44CD3BE3F04E521 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4652
- - 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=322D9D2BB98A638DBB1052B59237FA93 --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=322D9D2BB98A638DBB1052B59237FA93 --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2124
- - 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=466239F87E8F57070E8EF6D3C1FE5A72 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1848
- - 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=4809E6973B6E63DDB59BEBDE5422608C --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1868

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
8d54bd640de4fe5bab27b9a8e2d123bc

SHA1
23f7e78798b1cabe817957654768bc6945155efc

SHA256
c99d22bf317dc9a5422caa52a99f65b80f8d4864aefbdbc87b750e5602399a14

SHA512
5c50ee658d42da1938c70be27b34702b239d5dc50614d89467ba0549e13b25572cafa2341528e1184af7593102fadbdfcbf570731f211d70f9d41f8accf47974

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