f36674a4c8569c6ff85198aa876377f93195b399b36c91a5439749c0b2213615

Analysis

max time kernel
142s
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
19/12/2023, 22:07

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General

Target

b1d270ba759226cc2a1dff2f81a6bfa9.pdf
Size

75KB
MD5

b1d270ba759226cc2a1dff2f81a6bfa9
SHA1

ac0bf1a26cb184620de114cda35d7d8b688c7679
SHA256

f36674a4c8569c6ff85198aa876377f93195b399b36c91a5439749c0b2213615
SHA512

8f37e0a4a80f99bc402eb8dcd61b1bfc6e9789927eb49221cc61ec6b6c75ce50f50fb808281970bbb4c28d8ef3be9067f541b413ceb1cd757a2205363c32f2b0
SSDEEP

1536:B6ofW6JdpeJlUncesnI+0oZdWC98rLhRc7RLlo2uIT58:VfWOwqncTR0oZdWCarLrc7RZoTU8

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 4644	1368	AcroRd32.exe	92
PID 1368 wrote to memory of 4644	1368	AcroRd32.exe	92
PID 1368 wrote to memory of 4644	1368	AcroRd32.exe	92
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 972	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 2684	4644	RdrCEF.exe	94

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\b1d270ba759226cc2a1dff2f81a6bfa9.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:1368
- 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:4644
- - 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=D2C0F2D789E71F06FF5C298EE0B07B0F --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:972
- - 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=F2B903174974A6B2CBAF51E6A92469B7 --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=F2B903174974A6B2CBAF51E6A92469B7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2684
- - 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=261E5478C435153FCF543BBBE8E23CC4 --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=261E5478C435153FCF543BBBE8E23CC4 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1996
- - 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=5DD4603B072DA0DE64DA2A2F316E5552 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3920
- - 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=6D010D555A30A2257757D85F0A1D1C16 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=F6671D38DA033AB90E5F15CF543237B6 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3596

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
fbed04444d13efdaea58248e98e69f6d

SHA1
1da524e93c250bcd73096761b6d22bcdf04c765f

SHA256
beb0298e79ce4e8b9ebf71e2b6380da8be775695a249c04a9cb1d4c6cc5bc5fc

SHA512
ea5f2023ca1c87871e4480378f2ca6746699806a855adaee4d8780f4fb131c3efa018b3bfa57115d8f8dd9f0517266a16e9f9f0224ee29b6d65e07cfc24351e3

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