085bb7fecbdc53efb8a483f0b35edd1d6f373d5d6c8620fe2fa69825cec358d4

Analysis

max time kernel
161s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 03:44

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General

Target

0d5b4f3f28f651d1b53f029eef82e897.pdf
Size

80KB
MD5

0d5b4f3f28f651d1b53f029eef82e897
SHA1

e0e9f3873db41287714f7d9719f6977c14a928ee
SHA256

085bb7fecbdc53efb8a483f0b35edd1d6f373d5d6c8620fe2fa69825cec358d4
SHA512

68a021d4787ef26ffb5d7da08b7e7a28376340132225e16a3c7c16d45328acf04d7620c26644df719541ea70f5b4e960ac1aa900c6ef85a1a2d80ad50fb161a4
SSDEEP

1536:L0KxDsfkaIFbLugIAWmayHqMCtAOI9YudwuTPXj3m5hEoisEN7H+uPni6:QKl4HqLJIsHv9trW5jO5+uPn

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4172	2364	AcroRd32.exe	92
PID 2364 wrote to memory of 4172	2364	AcroRd32.exe	92
PID 2364 wrote to memory of 4172	2364	AcroRd32.exe	92
PID 2364 wrote to memory of 1612	2364	AcroRd32.exe	97
PID 2364 wrote to memory of 1612	2364	AcroRd32.exe	97
PID 2364 wrote to memory of 1612	2364	AcroRd32.exe	97
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 4372	4172	RdrCEF.exe	99
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	RdrCEF.exe	100
PID 4172 wrote to memory of 1832	4172	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\0d5b4f3f28f651d1b53f029eef82e897.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:2364
- 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:4172
- - 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=408A2988BEBCEBCE28E8DF0F18214491 --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=408A2988BEBCEBCE28E8DF0F18214491 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4372
- - 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=EC82C60E90B862FE0AEA765E80E3CF7D --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=3F9FECCBAB9B33DA7416383B15690FB0 --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=3F9FECCBAB9B33DA7416383B15690FB0 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:560
- - 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=3243E7800B85D45D5BA7E98ED2FE8444 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=C33EC65E80B542D83C8690296F7B86F3 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=93E28B8B46358C168465F06A5A99D262 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4828
- 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:1612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:564

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

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Downloads

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

Filesize
64KB

MD5
a588cc72d39ca1838dc4950a6cf212b5

SHA1
15455cfdc36750511237a67298386c96ba32abb6

SHA256
98a97a4627e8da3d0fdecc81d43f8a44364fc66c746f160d964225630be1cf2d

SHA512
96cf7869e63ff696405fc7bbb254e3aec406f8f73d756c4557b3017b611140e6181548a6bc0189caaed4fe4fa0b0bf0ce22a0d8841b9fb9ae617bb8a5e5104ee

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