bff5a5f3809064589c89c76b2f5ef63267d224b41c5cf92e97e0569f24d90d11

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 21:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4c8c83b56dfadd0b51fe4fbbcfd5fc37.pdf
Size

92KB
MD5

4c8c83b56dfadd0b51fe4fbbcfd5fc37
SHA1

de497ffd322991a30d0ec83482bc1f0275508f60
SHA256

bff5a5f3809064589c89c76b2f5ef63267d224b41c5cf92e97e0569f24d90d11
SHA512

95c30b8a569b58202ab3500aa61f0446ed9a9fe7bb46bd805bda721336d627f027aa135c2acd73cdd8d136e45d26a6a8b9cee95044c74c1435ffa3aac37d82fa
SSDEEP

1536:LNEZfhZ4cbo46Im5dmIcyFjHqiEe3fFAY8OyXRS/vT7KRNWOpOaZNCW2u+AWXM1g:5UIu2IczcyFjK6fFANOyXY/vaRGaZNkN

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 1576	3204	AcroRd32.exe	94
PID 3204 wrote to memory of 1576	3204	AcroRd32.exe	94
PID 3204 wrote to memory of 1576	3204	AcroRd32.exe	94
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 780	1576	RdrCEF.exe	96
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97
PID 1576 wrote to memory of 3300	1576	RdrCEF.exe	97

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\4c8c83b56dfadd0b51fe4fbbcfd5fc37.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:3204
- 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:1576
- - 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=590C6BC442FC0228D94C58DBC880602C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:780
- - 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=A12F880DA0CBF5650B22A90AB11EEBEC --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=A12F880DA0CBF5650B22A90AB11EEBEC --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3300
- - 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=AC4076E04B27187F4C45CA6E3655053F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=CDAA795D46310A93C7B92534DD30FDC9 --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=CDAA795D46310A93C7B92534DD30FDC9 --renderer-client-id=5 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=B6260FCCD79CC4D09683DBF52E279D54 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=D3F9BBE422691F2FCFBBDAB356A6554F --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1048

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
ce1f69a151d20e5c5a9c1d418272c9bd

SHA1
1b399b46dd0156f5f03f9f4d47c84c6b8b758442

SHA256
4914c23e5f7ce76e71dd3922e62b451e72dc4013e684f040ea372dc094cac841

SHA512
f4c7697374f779b0558dcb1132c78399830747601d46395e6675dc68e72a551a455e81034c753964c0826a008e2a7677a103679d8245cf9183e083cd02ff0de0

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/3204-25-0x000000000BBF0000-0x000000000BC40000-memory.dmp

Filesize
320KB

Download