dfcbce424233661d8e095872e085ea9bfad3980207a3c4a94ea37bdf42928acf

Analysis

max time kernel
141s
max time network
148s
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, 10:33

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General

Target

08009d25485be6e716859540829f6ac7.pdf
Size

86KB
MD5

08009d25485be6e716859540829f6ac7
SHA1

c8f5653a75f705a86d30fa312ae449f4bfc2d744
SHA256

dfcbce424233661d8e095872e085ea9bfad3980207a3c4a94ea37bdf42928acf
SHA512

9edec45fa7a787fdd681967c4060188378f166069745766a3e72a91a4f0b00da571df543e0e5e25e1e931a6808192ff58f0750cdaa9c1aaefb0819fd316486e5
SSDEEP

1536:Sc9XPjXLLAGtdWjRd0ZKZRPCH+Et78anYeoKWbptrbLLWwpOSEbdTFWwbi/1rOuY:F9bXLLAGOXV6+2znY9DWSEb9q16SQ

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4088	212	AcroRd32.exe	95
PID 212 wrote to memory of 4088	212	AcroRd32.exe	95
PID 212 wrote to memory of 4088	212	AcroRd32.exe	95
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4576	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	RdrCEF.exe	97
PID 4088 wrote to memory of 4184	4088	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\08009d25485be6e716859540829f6ac7.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:212
- 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:4088
- - 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=ABCCE38B5EE2BB438F7DDD623AF14AE5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=9D6AF143239C6611F282F7AE371E3FED --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=9D6AF143239C6611F282F7AE371E3FED --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4184
- - 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=B5DD246C678DD47E0CF3B43E9468ED38 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3288
- - 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=EA8F02D1158CD3AA15D184C37739C094 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=BB39C7B31ED1E9029F3BAE8EEC902962 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3836
- - 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=F883FB1A7DDEC85EED9C18587F36ED18 --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=F883FB1A7DDEC85EED9C18587F36ED18 --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4476

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4292

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
dd7705cc454a7442e4110da5fe90bac4

SHA1
ed563b659e98b472e0dc07cea4d1051ab4772a7f

SHA256
4ddaf30c966c8354a54229dc8bbd77f972f79d5b54be227205f78d726f911c5b

SHA512
202a767e8edeeea4aa540de8d2a4002d7d2395314b65b1c7ae6e525a6866c57e175bb283372c99252417a7b76538572f7a3fd953807a58646855ead410652863

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