d7700e5a608cd7a1ccf29458537b5cf8278b89b9dc2c8d7ff2797da65dda3ff5

Analysis

max time kernel
139s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 23:03

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General

Target

8cfe630a040864e2f67f91dd9ba34550_NEIKI.pdf
Size

133KB
MD5

8cfe630a040864e2f67f91dd9ba34550
SHA1

a2b52131654490758c6c1d3d51c87e7abce6ed24
SHA256

d7700e5a608cd7a1ccf29458537b5cf8278b89b9dc2c8d7ff2797da65dda3ff5
SHA512

7f232d3f4ae6df7a19c0285d40174513c4ca7b664bf9affa8619c8ab701bc485f539cd5ddaeb04e1ff1c857a9260bf7b07cb12d18a1d82251617be48655476ad
SSDEEP

3072:eXRi56CLq0NahjnvBmH7mCjZmfPsQ+opM5d:ehXyKjnvB+mPfUnoy5d

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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2236	4572	AcroRd32.exe	87
PID 4572 wrote to memory of 2236	4572	AcroRd32.exe	87
PID 4572 wrote to memory of 2236	4572	AcroRd32.exe	87
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 644	2236	RdrCEF.exe	88
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89
PID 2236 wrote to memory of 4800	2236	RdrCEF.exe	89

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\8cfe630a040864e2f67f91dd9ba34550_NEIKI.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:4572
- 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:2236
- - 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=4C78831526098905520ED9DE26F9AC7B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:644
- - 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=D08026B5193DDD9C8A4AFEA25C707F79 --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=D08026B5193DDD9C8A4AFEA25C707F79 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=4BE21F54F844684BE3040C13261A8AA7 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1588
- - 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=7776C4E4CB592D8603DF5A06E58805CB --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2364
- - 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=7214C7E2B29E46100083B273CB53F440 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=04FFBE9F91791379184229751B267134 --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=04FFBE9F91791379184229751B267134 --renderer-client-id=7 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4704

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
c0afc09546330f4e720560f5379e0fb7

SHA1
3315b22ce117a231882d2e8b30c0335fbcba3109

SHA256
d0cc8c8c3335ba66882d5f893c92a4c733de0527dc865082005c0fa4acabdf54

SHA512
8217c8e79fa25a3e7848ef33da0c1ca417e1003b551e6fcad432f8a07980350139512badbd0b7b34f76d6e9bc0b610b849df5f345045adf27b2d744018e33bff

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