75dc31c6b1c6b08f8119d298ba754b389f6e0901ef041f9a8895309e4a9e73b0

Analysis

max time kernel
91s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 19:17

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General

Target

19ef4a0e256189160791a92d3d71ccd0_NEIKI.pdf
Size

1.1MB
MD5

19ef4a0e256189160791a92d3d71ccd0
SHA1

e39b22a05f1f4fb5aaccda9f9ca65ef600dc86f6
SHA256

75dc31c6b1c6b08f8119d298ba754b389f6e0901ef041f9a8895309e4a9e73b0
SHA512

dfb84a80d74b62e3d238737f72dff0394a444122fff121beead00e8fc8c455c60f15cee5207df80834beb388e03d14ac70358017914bc2bd43d3f6deda81cc0e
SSDEEP

24576:YMmcHiyP0/NRpWd19aeDyYOQuIfDLVS9RBZH/LeLDwHbv3vR3:YMLVP6u/10Q1ZStZHDeQzvR3

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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4484	2736	AcroRd32.exe	82
PID 2736 wrote to memory of 4484	2736	AcroRd32.exe	82
PID 2736 wrote to memory of 4484	2736	AcroRd32.exe	82
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 3796	4484	RdrCEF.exe	83
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84
PID 4484 wrote to memory of 1596	4484	RdrCEF.exe	84

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\19ef4a0e256189160791a92d3d71ccd0_NEIKI.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- 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:4484
- - 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=57D9775610E2C3913E2B8EA0353EE896 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=997DDC39916A5FAAFC716B8318884074 --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=997DDC39916A5FAAFC716B8318884074 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1596
- - 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=B2C96DD1D0D2BDFBEC82BE3C3E978B9F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=A1C80110CB9A97A6DE19DCBC9EF00EFF --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=A1C80110CB9A97A6DE19DCBC9EF00EFF --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2688
- - 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=F0713A43B4597C2D2412399D69F22812 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2576
- - 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=DC4A97217E8FF2F2F06045881962378F --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3008

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
2a15d4e6a44d19c349f97cd4df71f46a

SHA1
ca99d947004ae1f2c40b9a955b045c9dc06800bd

SHA256
2c7621804c996dc59fd7f6b5bc3f88acf2cda2082fd18b508f0a7c936b8b7de9

SHA512
4af1694ae452d5f7b22df06b6156260b23ac07a3aae805f7f3f72f8b4210dd27a87ee4cf15e8b3e0ea8921e7025373bb812c04344971d56a4aeaa265e6336549

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

Filesize
64KB

MD5
b714815624ff4fdccd20a350cbb1277d

SHA1
11fd37a330db7d320e0db9425c78a70843bafaf5

SHA256
81c59bfc9e6d139a33ef9abe54e80210316bd5fbab84165b8e79bb36f9a9e93c

SHA512
b181c53ec861294a051619b509eaddfc22cc519904501a9cd1c23e6dc6d7e4e0161c36a858cce81860efbae985402a4b7939712e39ce5cb02dd000454224113e

Download Submit