00ca0b0e36425a9bfa36aa5faf91da31ef45e90358963791672f245d3fed7fea

Analysis

max time kernel
156s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 20:09

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

bcb16e3785c48c2b2ba170a6a123c473.pdf
Size

74KB
MD5

bcb16e3785c48c2b2ba170a6a123c473
SHA1

8e7ed85183361a64d2ab4be66121b982b23dbbff
SHA256

00ca0b0e36425a9bfa36aa5faf91da31ef45e90358963791672f245d3fed7fea
SHA512

9681fbd60dd16ec7fee4ded70b701e953ad2c81d1e7251ab24107227aa4a92cb61a3dd4da35804d0df4ade5ebf35dc8521e7a9b5eacfd02f0050b1f588b8d939
SSDEEP

1536:+9UGEsqnMlQuhYUaCA5sjr9om92J+SCGdeEUWnpO3nWisB0horh3m714:DxMlQuhYCA5eaESC13qBOy1D

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
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 3816	4572	AcroRd32.exe	108
PID 4572 wrote to memory of 3816	4572	AcroRd32.exe	108
PID 4572 wrote to memory of 3816	4572	AcroRd32.exe	108
PID 4572 wrote to memory of 4196	4572	AcroRd32.exe	110
PID 4572 wrote to memory of 4196	4572	AcroRd32.exe	110
PID 4572 wrote to memory of 4196	4572	AcroRd32.exe	110
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 3440	3816	RdrCEF.exe	111
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112
PID 3816 wrote to memory of 5080	3816	RdrCEF.exe	112

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\bcb16e3785c48c2b2ba170a6a123c473.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:4572
- 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:3816
- - 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=A806CDBD9F674BC770316D1B81E0168F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3440
- - 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=ABC369CF6CFBF62F98D630AB8F074844 --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=ABC369CF6CFBF62F98D630AB8F074844 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5080
- - 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=50AFCD7A2811C495E0DE32601B6FE8E8 --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=50AFCD7A2811C495E0DE32601B6FE8E8 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2476
- - 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=3A154CC6F7D03535199F5F489693C1FF --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376
- - 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=69D370ED7AD603CD2747FE5EC67989E9 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4132
- - 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=85A8D31DFAE1596C521DACB0B488699D --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- 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:4196

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=3684 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:2652

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1112

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
76ba5d4cfc7c0e40a12a857bda5b006b

SHA1
30ad2549168d0fc94d28a728f25d8011f4ca8347

SHA256
1e8a972158d31543f6240fe0e164fc39abde2019ec22179e39eab16fbf98900a

SHA512
be0e8e6f64b9cf5893dbce82495b3e978ead1020de8357233b0613e919128f5caee3bb3547c5ba460f3339664085eabb25144549d51d56c59492184ef18d7705

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
memory/4572-151-0x000000000B2C0000-0x000000000B2EA000-memory.dmp

Filesize
168KB

Download