2397eb61acbef1fe33b78174e20e54b71d9957fd12578a0140136b806d0454db

Analysis

max time kernel
171s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 16:52

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General

Target

5119d6c770c53e1e5b1b02657fa179c6.pdf
Size

87KB
MD5

5119d6c770c53e1e5b1b02657fa179c6
SHA1

5cf4101e9df13cd90862bf311c349c8bd378e5db
SHA256

2397eb61acbef1fe33b78174e20e54b71d9957fd12578a0140136b806d0454db
SHA512

3f8e3ff7fcd130063a2e8171f8d62aa4befb94034f851b866d6f5cda3d531fd2d24b5e7e57ad6da6bbe1c9c616e61a84fcf979633ffbb08487fdf18d0e28a125
SSDEEP

1536:UBzb9Rpc1UmIpiU+wiEFDxm11H8JacB0AV7sx/WGpOKCW9i3MubbZ1LYs9byF:Q/9Rpc1UmMUdw9wHMhB0AcgKWpbbZ1Lk

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
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2792	2684	AcroRd32.exe	91
PID 2684 wrote to memory of 2792	2684	AcroRd32.exe	91
PID 2684 wrote to memory of 2792	2684	AcroRd32.exe	91
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 3872	2792	RdrCEF.exe	97
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98
PID 2792 wrote to memory of 2260	2792	RdrCEF.exe	98

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\5119d6c770c53e1e5b1b02657fa179c6.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:2684
- 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:2792
- - 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=9D6B8F79ADE6ED0DDABEADB6C601F051 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3872
- - 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=C4469985F98055A8C16B036AF702EAAF --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=C4469985F98055A8C16B036AF702EAAF --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2260
- - 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=234E76FC99B355B53470890EBC7959FE --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=234E76FC99B355B53470890EBC7959FE --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3988
- - 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=1D888850A8691E299DEBF3E5D6118D87 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2680
- - 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=FA5BE8A748964F1B23A698B1B43A514A --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228
- - 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=ACE864A6994CA6078D1F392BE2A773B1 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4628

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
cf46ff003c1a07b95fff8bddc0a2e92f

SHA1
1ed0de377b75d5b5d3f74c3347e818084aaa1055

SHA256
56f8cfddc953dc0c4b52b117a60ea5b639b2a859032839c738214b173e091a77

SHA512
5bad354c80cc41ef7d25195815c4447f7a9009abbfc614dff50520a286ca689230a8abca5dbf0265f975ea9042fd369e06e15a49ba8a2aedd7bb7056139cb5e5

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