4ccc5c632189a1a6a8e7151d21738c13b5e1cd503439332796832ff6aced26d8

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:51

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

6821d1297b75bd61ddf06c2b8ec1c40d.pdf
Size

55KB
MD5

6821d1297b75bd61ddf06c2b8ec1c40d
SHA1

76a84dd8542f51e78ca1c51bd1f7a6921c53b35e
SHA256

4ccc5c632189a1a6a8e7151d21738c13b5e1cd503439332796832ff6aced26d8
SHA512

1f876c69b8f9c67fb2c7d9213c1b2f504eb0b26221217146927d8d622d5f79070e325aca56e725adcc3ea9cf1299b00e2e83367f63502825224c6f7aea677c62
SSDEEP

1536:Pzm6XCJBI1ael3R+SwMkJcmd3dPnLN3Xa1TXix:nX6AV3R0/cm1xnLNH8Tyx

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
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe
3540	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 2132	3540	AcroRd32.exe	94
PID 3540 wrote to memory of 2132	3540	AcroRd32.exe	94
PID 3540 wrote to memory of 2132	3540	AcroRd32.exe	94
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 3112	2132	RdrCEF.exe	95
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96
PID 2132 wrote to memory of 2644	2132	RdrCEF.exe	96

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\6821d1297b75bd61ddf06c2b8ec1c40d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3540
- 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:2132
- - 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=7C9643F5F647F95A8ECA9015EF7DBA5A --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112
- - 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=0BBAA3F7D1F51926E47A796F74BFFFD6 --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=0BBAA3F7D1F51926E47A796F74BFFFD6 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2644
- - 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=8C58E8F245C3254B5E7C08637442188A --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4240
- - 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=DFE0C97BA4781F321BC16C8312077A03 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=437651E0B22FED6C5BE9D56D440CC058 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2676

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
ff327f38a6c75ff1d67ed5f66004ec4e

SHA1
8c43e660fea9f0c49cd6467b10413eb40b84b680

SHA256
4b5730200f0890155caca2e89804759a8ba29f0ea86ee68d71d9487149d49eef

SHA512
2de6355dd920cabe3d6c910b06f4dee09a16ef5abad4b01c8e14188fa1bba25e1ec0d89b9cca1e5d702039619924e8f1dd66f2de25c8245e8f667a4d0c0f3bae

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