9e00ac96bc8a469ebf0ee703650a4162a6be7e102df9e9ffe365465a9c396c5a

Analysis

max time kernel
153s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 01:08

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General

Target

1f52f6ed5319b5e55057a6508a1fe9a6.pdf
Size

90KB
MD5

1f52f6ed5319b5e55057a6508a1fe9a6
SHA1

ee2f7793be6bc1420bb8a20edfd65bccbffed3bb
SHA256

9e00ac96bc8a469ebf0ee703650a4162a6be7e102df9e9ffe365465a9c396c5a
SHA512

4d09fa4c4b194288855b0664cbd714ee170bcb2f4bfbb358b5a909dd81779152759ca4a903626bb6bdfb3c019407e5423b2c48f3cea94cf7c2051f8ea75d7472
SSDEEP

1536:Cn1D/HY8PhYyQ4mHoVTsC2XCD9oNYu7PfM2yTSmCScCl9twWkNpOPaWIqNofMIku:41bHXPuyZEoNN8o98Yu7nMcmbcCl97Pm

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 1012	4136	AcroRd32.exe	91
PID 4136 wrote to memory of 1012	4136	AcroRd32.exe	91
PID 4136 wrote to memory of 1012	4136	AcroRd32.exe	91
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 2700	1012	RdrCEF.exe	92
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93
PID 1012 wrote to memory of 3860	1012	RdrCEF.exe	93

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\1f52f6ed5319b5e55057a6508a1fe9a6.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:4136
- 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:1012
- - 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=F40BA93F9040EC1C2AEB7894D12C5E0E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=C3A42550C214977D1FFD7B2A2EF44083 --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=C3A42550C214977D1FFD7B2A2EF44083 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3860
- - 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=C65B4905B3D1B80DEE79DB927782C979 --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=C65B4905B3D1B80DEE79DB927782C979 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3024
- - 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=50C757A5EC8D5A85042CC9B9F3C8D8A7 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=F342C2F4D210983157507A46D5194E6B --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108
- - 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=F98A431E78C9EB0C9C25F9F7005EA0BE --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2536

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
fcfe3718e8d91210f2ae17a3bca5ee3d

SHA1
71f9b238c2c7dd16a755a59161188be6e637637a

SHA256
e82a4a1da19a88df2838b4a261080012a4eeae2941db7d7624830099619348f3

SHA512
e7e20512f0d45143eecefce743c51c0d42ffe24f05ed5ad262475910ad3d17c4537aafa3c89fd1824895e1157aeffa66f039aa9986ca0071856f98f2449b74b5

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