97ba514b7133136bec31b6a7ee9281cd9f4078574b46b10240a457c2cef88c63

Analysis

max time kernel
157s
max time network
175s
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, 00:04

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General

Target

20ff6fd486d52c57df2239b59f80c0a0.pdf
Size

33KB
MD5

20ff6fd486d52c57df2239b59f80c0a0
SHA1

d5f88e59049bc1f18b9125d74ee1d241294d23b7
SHA256

97ba514b7133136bec31b6a7ee9281cd9f4078574b46b10240a457c2cef88c63
SHA512

5f936d6b3ea004b08b5add606371c3f07d1c906ad2553f2d5394fc445cc99fdca3c44a50b7024b1f894553764a7b200fa05356ee192cb4adfd5603160af71e4f
SSDEEP

768:K+3gYSSpZILzblClALa962OUKSa3rAkTll4kbE92Kb:Kig5LzolX62XKSQrAkskQoKb

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
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe
1504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 3584	1504	AcroRd32.exe	93
PID 1504 wrote to memory of 3584	1504	AcroRd32.exe	93
PID 1504 wrote to memory of 3584	1504	AcroRd32.exe	93
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 3408	3584	RdrCEF.exe	96
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	RdrCEF.exe	97
PID 3584 wrote to memory of 1312	3584	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\20ff6fd486d52c57df2239b59f80c0a0.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:1504
- 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:3584
- - 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=F86B126FFCB32972BE5827D0C70E34B1 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3408
- - 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=40F5877679926C01BBDD1B1C3F9878A8 --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=40F5877679926C01BBDD1B1C3F9878A8 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1312
- - 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=0C46944A0B27C1144D9D27396EC0E896 --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=0C46944A0B27C1144D9D27396EC0E896 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1980
- - 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=4BBDAED4E00359521634106C1D9719E4 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372
- - 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=9231ABB0C9D555C9A7460AE48D12B4DF --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=54F8D8266CF4F74887EC5423229B5FDF --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4400

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
4a5abcb3751117215377c1f3894c4c3f

SHA1
6e0df208ec9a5d7f155c9d7719fa01d9622a03d9

SHA256
6de6dfc007e35c929ea74308cf7c61a5efd976e9877e66698d0c0723491fe1df

SHA512
639d0ea7efc4d8110af8056531bba20f69c0ec6efb0a903fe3cc212ec42a899695972adf442ffa131d3800290661c15dea5a638c53a912178a26f89e7bcd2220

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