243310f95e5c7fc2f8b39e45233377eb2c55c7f2a9a5fa259c3616a0d2a895ab

Analysis

max time kernel
143s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 19:54

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b9842e615d3071cad89c391a87d7d300.pdf
Size

71KB
MD5

b9842e615d3071cad89c391a87d7d300
SHA1

d95a0aa5b6a5bbfba07d3972e3e4d791970707d7
SHA256

243310f95e5c7fc2f8b39e45233377eb2c55c7f2a9a5fa259c3616a0d2a895ab
SHA512

77e17db7805dec1d1f1f5896edc850b7e5507dce6db91b0d26e423353c6399f6e6c6beae22b73190061cfbf28ece6d95ba67b68273602c5ced1afbb0a1a7302b
SSDEEP

1536:kxKVTYJTPW/jCRF4ktFN6KhJ3c2ivTtU0ioYdc1P2H9upUo9oEU/sy:kt9PKjC74ktFNDncHTxi3cR2H9u2o9oP

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4268	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe
4268	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 3420	4268	AcroRd32.exe	100
PID 4268 wrote to memory of 3420	4268	AcroRd32.exe	100
PID 4268 wrote to memory of 3420	4268	AcroRd32.exe	100
PID 4268 wrote to memory of 3128	4268	AcroRd32.exe	102
PID 4268 wrote to memory of 3128	4268	AcroRd32.exe	102
PID 4268 wrote to memory of 3128	4268	AcroRd32.exe	102
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3148	3420	RdrCEF.exe	104
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105
PID 3420 wrote to memory of 3020	3420	RdrCEF.exe	105

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\b9842e615d3071cad89c391a87d7d300.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:4268
- 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:3420
- - 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=1AACBE297A64135011FB9FB0DC253D9D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148
- - 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=3B72F3C0EB9D1D5925B01B0783BB0C48 --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=3B72F3C0EB9D1D5925B01B0783BB0C48 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3020
- - 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=25198346ECDFAF6ABA5A6BFAAC54FF1A --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=25198346ECDFAF6ABA5A6BFAAC54FF1A --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172
- - 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=1736FBA80D0E17B62C5F6499896DEB4F --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:812
- - 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=46532C9304784E98F4BB8F17D4A48AA6 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2556
- - 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=A47F2ED8DAA6CE29DE38682752191940 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3876
- 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⤵
  PID:3128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1128

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3952 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:5384

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
c95ed31ffcde39ecb2ebc729544eea0d

SHA1
ba5a3ffe54578eba1226e561a90a8fffd8ebebdb

SHA256
5e9d659a163d1f1edbeb4a3d66419defc2d5f6711fb764e5dabe6abe45727568

SHA512
481b3916fc3e7506231e16b988e0f57a9a2f04a7ed01fc16ab28e1e9176859cde93a7010a6975f14fc31cc630a4a52cf06474def69d9ae678dcb397f16d79d01

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