21e0a983916c8c9c081fb78147ef0e6990fd50b76ca3f2968c9ef05c03aca7d3

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 22:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b9cd9589dd9b854546009c8f232cedcb.pdf
Size

92KB
MD5

b9cd9589dd9b854546009c8f232cedcb
SHA1

5ebdcf3adb44b9fb71d2da70067ce4513411724d
SHA256

21e0a983916c8c9c081fb78147ef0e6990fd50b76ca3f2968c9ef05c03aca7d3
SHA512

0f50301f391dbc6f01c732f80debb9fa46b76b6b95d33a2d961ecb31fcfd78133f48519f9250daf3235cf6c2236c1a65ed73d451b20700f2a05a16efcb8cf0d0
SSDEEP

1536:1p74OKi0A7HfaMJVPI/EBIhocSjcrZgHnRuwIJnHGqA4fQW6pOu26WA7Rubez9cJ:bB7BJVP5iDrZgHnRQlGqnf5u2+R+F0vc

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 4148	796	AcroRd32.exe	84
PID 796 wrote to memory of 4148	796	AcroRd32.exe	84
PID 796 wrote to memory of 4148	796	AcroRd32.exe	84
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3104	4148	RdrCEF.exe	85
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86
PID 4148 wrote to memory of 3076	4148	RdrCEF.exe	86

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\b9cd9589dd9b854546009c8f232cedcb.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:796
- 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:4148
- - 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=6DAFBDB5BE98A617123936E00973B1FB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=81DB2A17C31DC20635F0A2F0FE1FEAB8 --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=81DB2A17C31DC20635F0A2F0FE1FEAB8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=B205B8318D6A50A1173C1A701E1B7199 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3060
- - 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=D0AD3616950D1F375382B6B48D3FB1AE --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=740917B9976453390A355A1E37E9AE47 --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=740917B9976453390A355A1E37E9AE47 --renderer-client-id=6 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1076
- - 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=2777909ED12C6F9CDD622C0B27512F44 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460

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
5fe114ae57423a51e5cb333afdbe3dd1

SHA1
a653c6ed572778e55323d6a7adb69b84891149d5

SHA256
60ec255d4bec84265598d119d83bc07ecc29f7d5b5b4265f7d3992e0d50447a6

SHA512
3025700e4086cce53d61e9ca3cd5b820bb3f520d3f709c35df3bc3a3ee1bc5d78589737bd42d64b7df2c2a1752de2ccb917ceee25ed88d7b656726378b71b16a

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