2bfbf5d899c5182160cf03819cd51022279cbf740be3759371b1fc3d669aa257

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 10:18

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General

Target

8c14708d6d713e92f0afe53461f12663.pdf
Size

95KB
MD5

8c14708d6d713e92f0afe53461f12663
SHA1

c9a5bdff4044dd816a92f6ce5e01172ffc65fa1c
SHA256

2bfbf5d899c5182160cf03819cd51022279cbf740be3759371b1fc3d669aa257
SHA512

ae67fcba31ff7e00af90369958aa868ffbe5eefd05c917ccb599f93b127ff96a7107319bf75153a3cbb8805061c3f61a5b4fbbbcc00745d507a474c504a8c58d
SSDEEP

1536:Ao2a9fwqdUpucrIJV7+2fLgwP6zZ2BM+HVPXGf5gU2t4ieHJtcWGpOKCW8A85N2B:hfUrQV7+2zgWApCPBByBKyN2P5

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 3324	1388	AcroRd32.exe	87
PID 1388 wrote to memory of 3324	1388	AcroRd32.exe	87
PID 1388 wrote to memory of 3324	1388	AcroRd32.exe	87
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 3188	3324	RdrCEF.exe	88
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89
PID 3324 wrote to memory of 1584	3324	RdrCEF.exe	89

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\8c14708d6d713e92f0afe53461f12663.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:1388
- 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:3324
- - 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=8A187EB44CF9BE827C4D3259F0547965 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188
- - 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=B6FF6560BB90C6198E485EEAE7AFBA33 --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=B6FF6560BB90C6198E485EEAE7AFBA33 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1584
- - 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=832A003F32B32A36BD481F902AEC39E7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2812
- - 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=E26DCE1403521D0E0DA539EE715DF5D7 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=709C869F47D055B93824CC74941926A2 --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=709C869F47D055B93824CC74941926A2 --renderer-client-id=6 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5076
- - 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=16D9D3687C5B6165717C884A99D4D4AB --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4172

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
3d94bd2a930f43b6b4da03f4bf328054

SHA1
d259667c1996e0dfd4318c4fd61bbaa20c25d963

SHA256
6acfe0d94fa512159802b3a64ddc0587524e500ff67ae8d72079449d18f2f894

SHA512
d5e955d96e783d6855f545e5f965a2d422c823eced0b5ff4cccdb0701acc023247263ed11018b440cd0e8e547fbec857e04fabae148b5cf8a0dad643f657d90d

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