a428aa406b84a006ef4c4d5f868d8fd7b078182a756d45b89f6aa725f979d5f0

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 12:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8c4db17b6231b411537f3424ad2052e4.pdf
Size

71KB
MD5

8c4db17b6231b411537f3424ad2052e4
SHA1

7188a6c482f75cce640f1fa46fa9a4b95561d486
SHA256

a428aa406b84a006ef4c4d5f868d8fd7b078182a756d45b89f6aa725f979d5f0
SHA512

bb2f1f4f3f6198d526018fa814dde52eb6fb705d60d62e6d79c5b68e7c4d8dc4483ba8f8af948143cbda41e507c0e7f91522fe761f9c0c2edd664d82b1897f13
SSDEEP

1536:978YhyPCzSSx9I6U6dL33iInmp58POHIWSc0eqRLTJNj87RKgXsi:N+6eSHN1LHiInmnL4RLTJZ84gp

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4476	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 2004	4476	AcroRd32.exe	88
PID 4476 wrote to memory of 2004	4476	AcroRd32.exe	88
PID 4476 wrote to memory of 2004	4476	AcroRd32.exe	88
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4680	2004	RdrCEF.exe	89
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90
PID 2004 wrote to memory of 4128	2004	RdrCEF.exe	90

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\8c4db17b6231b411537f3424ad2052e4.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:4476
- 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:2004
- - 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=50AA1D1BC78017F0820C598CD98BFE48 --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=50AA1D1BC78017F0820C598CD98BFE48 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680
- - 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=FABABE65B2BFDAA513FC0933356416C8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4128
- - 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=B92952CAC96E46AB665ABA3CE19E6E6D --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=B92952CAC96E46AB665ABA3CE19E6E6D --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:420
- - 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=1DF1D17ECFC40FD5957F7F53F937C4AE --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1844
- - 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=3AC9E9FAE4DABDC1D1FA36E67C174FA2 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- - 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=1F5FC9E6024280609DD9268EEA97C10E --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4828

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
03cae5e7a36e77fdd302567fc57e8c46

SHA1
df0040544fd82c3d346b545bd40ef94254d515f9

SHA256
709eee89358cdb55d283ec22e0a6575c258d474f4645f95d379853957d2a6d44

SHA512
85a6f2c7dc877859b8580264fd7036325eb48eaf78d0c825a3e491a07b24a5625fed95cacf39096b691b8c1c38700243c9d7adcb7d5a5a1f7229d5d48272e400

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/4476-27-0x000000000C2D0000-0x000000000C2F1000-memory.dmp

Filesize
132KB

Download