686d86c97c0d193a4c67df15bf8abdbfcaf6f2b6d7379ac49fe8f73861b6a25a

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 13:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

686d86c97c0d193a4c67df15bf8abdbfcaf6f2b6d7379ac49fe8f73861b6a25a.pdf
Size

10.0MB
MD5

ad783ae64771c13bb056cc540b055f91
SHA1

cb9bdd595d681b856a4c120ee536dde629df5030
SHA256

686d86c97c0d193a4c67df15bf8abdbfcaf6f2b6d7379ac49fe8f73861b6a25a
SHA512

88caba3abbff2ec00693e53aea7d7d716a7e47025c9ab2d71bedd4cd7f63614ec98d4273e02fc2dabe845961cbbb9e9a85b3ab3734b4bd922e8d9209eef2357c
SSDEEP

196608:s6CgIFLPjsSg97uKN4z4hCSsrs4hhBVOSzlKWljbatkW:RC5fwuKN4jrseNzlVIZ

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe
924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 3756	924	AcroRd32.exe	98
PID 924 wrote to memory of 3756	924	AcroRd32.exe	98
PID 924 wrote to memory of 3756	924	AcroRd32.exe	98
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 4976	3756	RdrCEF.exe	101
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102
PID 3756 wrote to memory of 3128	3756	RdrCEF.exe	102

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\686d86c97c0d193a4c67df15bf8abdbfcaf6f2b6d7379ac49fe8f73861b6a25a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:924
- 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:3756
- - 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=2C068B748598E1C96345542B5D7378E4 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=FA3EF7827A8B5E4ECF84D037303B070E --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=FA3EF7827A8B5E4ECF84D037303B070E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=D204881B8B0A4BDE19B779EDC945D8BF --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=EA43508E83F0B1F97519A000871CE355 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=3FE0234F4FDCC3957154B4470FD66782 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4564

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=1344 --field-trial-handle=3084,i,14217130992253490921,11543335378077656547,262144 --variations-seed-version /prefetch:8
1⤵
PID:5616

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
7e46a9b7d6651d923457d810395f3cc2

SHA1
fd22cae1521f22623e9e348d69eae11853ec2523

SHA256
f89b89e6518ed44c823c6f4913b949e293e35d37102c90f96aa788b910c12db2

SHA512
485f395abb80fcfd9c805a002c3863f02b7a38efd103d17f04775b303dee857bfab2fa45048d3473e5653e4f924674847f58f5f8329356514f65d90dc369bd46

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