f2416cac06ddbb87875ce7d768bcae446b61b9e0838e04c5bcab3355cf441879

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 11:37

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General

Target

8911bd9e6bf23b1bba451fd8baf0c40b.pdf
Size

84KB
MD5

8911bd9e6bf23b1bba451fd8baf0c40b
SHA1

5df5d63889e2ed11a468703cc18d44f21def6210
SHA256

f2416cac06ddbb87875ce7d768bcae446b61b9e0838e04c5bcab3355cf441879
SHA512

3c47cdabe85e421109af8bb33600e57c8b91a8223ebfc6da7afe38b1c6cd5ea527b056d4939ddb6524f4df7bca596c76d1d188bd298c2278732c7cdef1461065
SSDEEP

1536:lJJSe3iTxLEliT7Yu1M0GlTTzToPurD0hzWGhYXy4M0BNWqiM7Vef+zsWUpO7qk1:XJ8T2cXbPETTatzW9yzwpzVef+zP7z

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
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 5100	4988	AcroRd32.exe	95
PID 4988 wrote to memory of 5100	4988	AcroRd32.exe	95
PID 4988 wrote to memory of 5100	4988	AcroRd32.exe	95
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 2972	5100	RdrCEF.exe	98
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99
PID 5100 wrote to memory of 1628	5100	RdrCEF.exe	99

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\8911bd9e6bf23b1bba451fd8baf0c40b.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:4988
- 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:5100
- - 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=D6A35A4B052F175B08961855DACEABD2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2972
- - 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=4598F6968A8406172314CA4650B7A1C3 --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=4598F6968A8406172314CA4650B7A1C3 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1628
- - 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=9B2329EED87FE569CBA85B7E6C5BF63B --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=82D2107AB2F3F861921EB25E33379538 --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=82D2107AB2F3F861921EB25E33379538 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2968
- - 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=4492BEB9AD1760EF06945D4186408810 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=C1EDB32AEC26FADA6C6E9904B6914B94 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2268

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
956c0314151f1a54ae0789095e9077fb

SHA1
9d08bb0e2e2a52da119015a01c352b380304d8c7

SHA256
2cb40665a46c911db6b164c95c6232ce626bc426b7b63d35834530b740c26bfc

SHA512
71a6e814d8c546ebee15d776debf975cc19a8b5b9cfba5e4af3f85d0681cc29bea4025b904636fbc4036e1850d017b965879906abebe0a3398b17b359859819a

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