c0cc185297f88002a6a2acc5711f9c23a9cc0ce3371d51e7655dd2f6cc1fcbf0

Analysis

max time kernel
149s
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
24-12-2023 21:40

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General

Target

13632a33ab12f19be149fb175bac3689.pdf
Size

75KB
MD5

13632a33ab12f19be149fb175bac3689
SHA1

a8cb11ad966bfc360bf3145f95cc6f50f2e2444b
SHA256

c0cc185297f88002a6a2acc5711f9c23a9cc0ce3371d51e7655dd2f6cc1fcbf0
SHA512

20d49dfefb521263ba67ba7ef2cf0ec13aacd5ee9b0e774253478ebbd41cf808c025a8787be1c98464796c28b82ec81f84e62e396b85e0e69bd9e135158c44aa
SSDEEP

1536:xPxnkUP7ma049tezg+fxWPof3WGv1esinHMMWOpOwreE+8elQ:zkUP7mv4nec+ZW618nspwreCr

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 3680	4336	AcroRd32.exe	91
PID 4336 wrote to memory of 3680	4336	AcroRd32.exe	91
PID 4336 wrote to memory of 3680	4336	AcroRd32.exe	91
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1668	3680	RdrCEF.exe	93
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92
PID 3680 wrote to memory of 1184	3680	RdrCEF.exe	92

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\13632a33ab12f19be149fb175bac3689.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:4336
- 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: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=581276356BDF58B3677645BB6F92C8A6 --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=581276356BDF58B3677645BB6F92C8A6 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1184
- - 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=82036002B1279BBB6A517C19E8699F43 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=424A3AC8F4EA8494A08FE2ECAA8AD619 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832
- - 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=B93090222431FDF696A1CEA6F921B2BF --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876
- - 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=3719196544E69B8B7D8A6BF28558D785 --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=3719196544E69B8B7D8A6BF28558D785 --renderer-client-id=6 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2468
- - 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=E796D24E2188ACF157D259E4A9750940 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:448

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
792f23f2344f4d54c9097104872ed195

SHA1
dc61e4feb1e09d88df548c72137c6a1bf6fff810

SHA256
82d0517f8fbb80c47d9027ecbebe56ae90cbbcdd98046445bfd04dd88394baa7

SHA512
c3328d6d1e9a605c001544bb55a00ac2e7a513020fb420e972f5afbca8b4b6a73f0e46df925acc9c3eba46e5dff435edfe691c2db7c6ad94795b2cd6bd502f7e

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