a128337d972f82aedc92affbffaa29ab6bd255fb6ccea514fa0b14f888dd6d54

Analysis

max time kernel
140s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 10:12

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General

Target

48b213bcc4aa7d03d34811417cf75e4d.pdf
Size

94KB
MD5

48b213bcc4aa7d03d34811417cf75e4d
SHA1

8b313372fca58dea1d7e7bb1aa9cd77772d66ed1
SHA256

a128337d972f82aedc92affbffaa29ab6bd255fb6ccea514fa0b14f888dd6d54
SHA512

7d2fae18c709fc74185376a115328b62f6f538b1351342d48adb0b4013fb819d0d772680f858b62d3ab524143ffb0bd40c17083e065371d41a80e40ff48cdd4c
SSDEEP

1536:Gkj5XbqKRTmHNtZTzT0GGqukzoeoibWW7x0etWBFGYX3cUTwWQpOC8NdUkWJ9uPm:X5VMNvTHPGjkz2i7+eQzGpUTfC8UNUPm

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4256	4528	AcroRd32.exe	92
PID 4528 wrote to memory of 4256	4528	AcroRd32.exe	92
PID 4528 wrote to memory of 4256	4528	AcroRd32.exe	92
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 4904	4256	RdrCEF.exe	94
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	RdrCEF.exe	93
PID 4256 wrote to memory of 1860	4256	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\48b213bcc4aa7d03d34811417cf75e4d.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:4528
- 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:4256
- - 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=0389A0EA025044FE8597FB6C36C2B306 --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=0389A0EA025044FE8597FB6C36C2B306 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1860
- - 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=FD0916F7530DB3D7727B9D6CD4515F98 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - 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=FDBC98832DDE72EFBE26A116F479CB01 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104
- - 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=62C2D66B6AA25F27539D5BF6564D3AF4 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=9187483189939736CF442EA62DB20BDA --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- - 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=F65D91E6987B0ABDB0B2C501E5A2A71F --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=F65D91E6987B0ABDB0B2C501E5A2A71F --renderer-client-id=8 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4060

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
8095b746fe1007ec2f31d6687733c7ef

SHA1
f8e5d739ad85ab1afb49488f638fef79dfb65888

SHA256
8f4d0f0ba869b16db923ec4388f4cfa20f1145acbadc67025b3125c70cab4af6

SHA512
6e18d79ade3928f9f9e6b50683b583f34c54b50e71be73a570692a331b38a750dbf7704fd90cb517a017738b45f38b69fab90b13008940c61545a8a7ea40e102

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