879d5b1e533c53f88f936f6cfbba6e80876f68c1bd7ee05288bf5579824f2b24

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 02:07

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General

Target

85a5f8c472f4d195c82c802f01a11bca.pdf
Size

86KB
MD5

85a5f8c472f4d195c82c802f01a11bca
SHA1

a180dbec3b76ee3c5f07f180fbb5772087c14583
SHA256

879d5b1e533c53f88f936f6cfbba6e80876f68c1bd7ee05288bf5579824f2b24
SHA512

e37a2fa64aa7a6d75fe3ba50f6855a5b85ab9bf8c4f4c216e0685043fc8712784fedd17e96f86570ef7104a14c1975fe3a13b1a2ee9ce686f92c150eb9af3a8a
SSDEEP

1536:tZTrij7L/xrSay/jdqXYUtdKg+yxqaPBkxi0DWJxIft/CwIqkfyP/WUpO7CLx:fru7IKnKg+yxqQ4NDVa7q6yPS7S

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
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 4064	4660	AcroRd32.exe	88
PID 4660 wrote to memory of 4064	4660	AcroRd32.exe	88
PID 4660 wrote to memory of 4064	4660	AcroRd32.exe	88
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4568	4064	RdrCEF.exe	89
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 4580	4064	RdrCEF.exe	90

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\85a5f8c472f4d195c82c802f01a11bca.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:4660
- 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:4064
- - 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=6E2A89CCC82B91A3450E7868F850FCFF --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4568
- - 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=1D5FEC63821467DE9B3422E8AC2A39BA --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=1D5FEC63821467DE9B3422E8AC2A39BA --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4580
- - 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=D2EA7F3613938B72219E54D53B0256E8 --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=D2EA7F3613938B72219E54D53B0256E8 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1208
- - 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=577F1FD1098001782CCA49C404031957 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852
- - 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=6E1D4232EF36F551F44ACD7D66F64E33 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=29834B7FABF82BA039E993806FE625A6 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4528

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
525ad1e127bb332304d3de426cbada80

SHA1
6d0445fdd47f025ef5b1c489967630147828a92e

SHA256
026fc2ceddbb965e5d1fabb41ed3615a5f176b72b47b148252cc49fd28ef2420

SHA512
e29d18c354b89cad7b2e3fb55c14e2343188edea31d6cfd44cc519030fdc9555e0cb6df40ec8a113ae41c625934ff487e5202245bc1776cc50a6cf6fc98fc8be

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