4ade272741a25694b01ad60d185cee23fb6cedb2bc424b2e954960228b111b4d

Analysis

max time kernel
143s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:14

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General

Target

27bc3cadbb9ab0a08f0d0a1862ff11d2.pdf
Size

120KB
MD5

27bc3cadbb9ab0a08f0d0a1862ff11d2
SHA1

3477cbca3273050f71aee34df2c5c5e56b31913e
SHA256

4ade272741a25694b01ad60d185cee23fb6cedb2bc424b2e954960228b111b4d
SHA512

609f039775fcd316a4a249d254595a8d0793cf11f7c241b69bd924cbe3eca35d4a95e0503658540268cabec98080ced0a6f35062f170dbb0cec1d2b667436fa3
SSDEEP

1536:DG1Cb+1TovQQvkT+4GeDvgMffVMsrr0xA7x4XNGEVRHfeHIzZpWVAO3CWQpOCF6C:yDYoDGeTF4XxHHfeHUZKAO3lCf

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
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 2864	3100	AcroRd32.exe	94
PID 3100 wrote to memory of 2864	3100	AcroRd32.exe	94
PID 3100 wrote to memory of 2864	3100	AcroRd32.exe	94
PID 3100 wrote to memory of 1360	3100	AcroRd32.exe	98
PID 3100 wrote to memory of 1360	3100	AcroRd32.exe	98
PID 3100 wrote to memory of 1360	3100	AcroRd32.exe	98
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 4232	2864	RdrCEF.exe	99
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100
PID 2864 wrote to memory of 3680	2864	RdrCEF.exe	100

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\27bc3cadbb9ab0a08f0d0a1862ff11d2.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:3100
- 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:2864
- - 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=23197B7B7788C72E3B7E2CE707529BD0 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4232
- - 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=433362B800B51FFF692BF034D3FC30E4 --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=433362B800B51FFF692BF034D3FC30E4 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3680
- - 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=A6623E81425A3707A62E70FD57516CEC --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=A6623E81425A3707A62E70FD57516CEC --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1668
- - 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=CE731C3E6C3B3D56D90B1CF2CB5A2458 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- - 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=DEC85767A7FBE125D50F6898F04FD22D --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4204
- - 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=6A893D4D539F4893957FCD370D1A5A16 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- 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⤵
  PID:1360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3532

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
74438a47f629973739b48570a99b76a7

SHA1
30e357675a225038200e172c318b7c56076e1438

SHA256
92575e813455dfa41635fa48dfc4ade8dc5d7250d97ddb4f239232aa7c01629f

SHA512
aa870ad9391240f19522b8c84d0eb82b6eeace93b320d2bed99c6b638d88974a5053591f6bb3d4780659c3d4ed49731117b96dc7779f494580c2a468097f2d12

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit