e844863f4621e63604e2e32c24cdedfcb0fed36442cd2cc6746e7129e8958724

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 09:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ab92b7d56c9dae3fb608c1b85cfc930c.pdf
Size

689KB
MD5

ab92b7d56c9dae3fb608c1b85cfc930c
SHA1

3ef9ba7e44be84e1e855ee2c3db896efc293168a
SHA256

e844863f4621e63604e2e32c24cdedfcb0fed36442cd2cc6746e7129e8958724
SHA512

2a981aea98bb6a5d43cb7d52f052e653a1d202394c8fcf686708a52758770d7294023f353435933c8f128169053bc0a1531b4d383db2ef0dc656c06fd14e8e6e
SSDEEP

12288:8m51tBVt/pJLDJdk2NiWn4bwQkvcC/DP+O9E3k6/A4ogS/3BmQ9:82t/vTR4sTcCqO9ukgA4og4h

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 1620	2804	AcroRd32.exe	92
PID 2804 wrote to memory of 1620	2804	AcroRd32.exe	92
PID 2804 wrote to memory of 1620	2804	AcroRd32.exe	92
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 2264	1620	RdrCEF.exe	93
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	RdrCEF.exe	94
PID 1620 wrote to memory of 944	1620	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\ab92b7d56c9dae3fb608c1b85cfc930c.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:2804
- 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:1620
- - 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=E6A479AF70CD6E6BDD88FBD76CF1CB22 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2264
- - 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=691847BDA8BE91C1A7427FA1746B7323 --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=691847BDA8BE91C1A7427FA1746B7323 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:944
- - 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=008D38384D8C960557B5002FCAF127BE --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=8F734D3E2D1546B730FBAB94B92A7D8D --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=9C5B1A30676293D6E0C7B15ABBF3649A --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1144
- - 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=55D21826B47469064C5224EF34C42A71 --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=55D21826B47469064C5224EF34C42A71 --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3196

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
5cd10e5c98ff7db41ae7221c19e1c6f8

SHA1
ab199a2d65ae287600429709572fce7d5ce3a55e

SHA256
b0c91329b7fc5b0873d89ed9e712b90eab92f2e045795409dc8b01850f96e1aa

SHA512
5461a319d7cd4a23730b4d93fc4846a14e068aa23111a944b71a013073e790157f12e43f026a2ea4ebd90b549addbf0cea312ecdd73d5007ebecc1a494ff44ce

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/2804-129-0x000000000C3D0000-0x000000000C67B000-memory.dmp

Filesize
2.7MB

Download