52485be63a1cc01c0a96595bfa3788db57f06ae42aed0de7e113cfffc1f1b1ca

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2023 14:38

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General

Target

SNHU.EDU041.pdf
Size

58KB
MD5

2e7899855f2d3f2847ed96aa606da267
SHA1

f6552f1dae495ae3e22ae3ae08f75d072873663a
SHA256

52485be63a1cc01c0a96595bfa3788db57f06ae42aed0de7e113cfffc1f1b1ca
SHA512

c8d7dac2b3933514ba19da1bedc8976f143a6498d28a5488eb96328bedb3322c0d1c8d5b1aeab3ef5e549a7dc58826fe07391de68b7d5538d713aa04c4f68237
SSDEEP

1536:j6+jU/9EvddKKa5I9ZMlFlzB+QuthQZNC:rddsSE9utheQ

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 208	2748	AcroRd32.exe	86
PID 2748 wrote to memory of 208	2748	AcroRd32.exe	86
PID 2748 wrote to memory of 208	2748	AcroRd32.exe	86
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4680	208	RdrCEF.exe	87
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88
PID 208 wrote to memory of 4172	208	RdrCEF.exe	88

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\SNHU.EDU041.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:2748
- 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:208
- - 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=D87FE569984224D7B022E40E0DF300A2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4680
- - 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=EC1DDBDB0E0DB61468AA96FBFAE8C936 --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=2 --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=EC1DDBDB0E0DB61468AA96FBFAE8C936 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4172
- - 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=3F3B64D06D244C7AC81ABECDA5255AA3 --mojo-platform-channel-handle=2296 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B965A50BA208D263E293D03C2298B2A7 --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=2 --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=B965A50BA208D263E293D03C2298B2A7 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3792
- - 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=B06A9BA9A28F7BB998F2966C6EB7575F --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=B510A5DD5E2C4926C71BEC4CD860993A --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4552

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
31dbdd9088183c912ec47de33a22023c

SHA1
76c821c6b36ebb262dc19d2c414363090e3889a4

SHA256
a70d7b24e03177a9ee412cd0e4fdeec2827a01cf6cb8ae2c26316980c7246e64

SHA512
d117b8ca8b88c028f014f2472fbc688777265d40e297f88c786effdede7691a04099c7c4b7c4647150621a457a7f07fbe159c1f746abd8fad235edd00c4918f4

Download Submit