b2877ead5c7953fbac40c084b39bd41c8e78417ca5d4c59b3393e85e67e95a3c

Analysis

max time kernel
149s
max time network
151s
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, 04:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c4fb615370cad73e6a585db637ec05a4.pdf
Size

87KB
MD5

c4fb615370cad73e6a585db637ec05a4
SHA1

8c552995b26212b3b2658efd8cb9ba01c4ff89f3
SHA256

b2877ead5c7953fbac40c084b39bd41c8e78417ca5d4c59b3393e85e67e95a3c
SHA512

058690db8bac90feb25be0e3429be96081c4164e895817645fca334fa778a9b096ef9152f56db29b1e0822f3d8ef0b4998d608960ebd4649ae0cf950adbf489c
SSDEEP

1536:BqhisNE7rwXvUAk4njw/WIe+Wd8GStxxW0z6sKghWOpOwrKWJSB6Z9I1TE:Mhz0Esl4nMbe8GwxHztewrXQ+

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 3664	3564	AcroRd32.exe	92
PID 3564 wrote to memory of 3664	3564	AcroRd32.exe	92
PID 3564 wrote to memory of 3664	3564	AcroRd32.exe	92
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 3084	3664	RdrCEF.exe	93
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94
PID 3664 wrote to memory of 2128	3664	RdrCEF.exe	94

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\c4fb615370cad73e6a585db637ec05a4.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:3564
- 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:3664
- - 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=CA782C8313EB7CD2AE7EFA11887509FE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=E41CFCD152277495EFB5D92690D18ED8 --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=E41CFCD152277495EFB5D92690D18ED8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2128
- - 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=2240B7D6143358B84014AEC5F8563950 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1672
- - 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=D3D47214BD811AAE0A458CAD20CB3966 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1072
- - 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=820581326D9B4DE2906210DD5B8F21DD --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:460
- - 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=2A698B3787B4B16A36D9FC90E8011675 --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=2A698B3787B4B16A36D9FC90E8011675 --renderer-client-id=7 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1912

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
b4e445986c990ca0c194aad9107a5d71

SHA1
300e82aa21bae706a19176440774d5cd5f259645

SHA256
655e2d4a97fc470ce831a45061f7dcd208e4b55777cc9a47bfbc65f5ab53ca82

SHA512
c8d8ed527011edc1b51a05f3e60debde458b30ce7a24960c9a00198bb25d87b246a80734f798b55e34177e240c830bc4c3b2eb0731799bc40155d4223c52731e

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