f76d5da38f4994a3981ea24504911ad34cc462ac8dfdf0816d7d130c80f09b5e

Analysis

max time kernel
140s
max time network
135s
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 20:27

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General

Target

3f77e9bd54571d960c2a0eb73ec443c0_NEIKI.pdf
Size

377KB
MD5

3f77e9bd54571d960c2a0eb73ec443c0
SHA1

bfd4c5fa5efdcc52374c14ee077542cb11f24579
SHA256

f76d5da38f4994a3981ea24504911ad34cc462ac8dfdf0816d7d130c80f09b5e
SHA512

0db88852bd031a66713dafe72cb6b2346e88a7eeadcc61523258787214cbadc9b48b374da8de394d14a1dfa568bb6eee8000d9c1c77fcfcec31929c1c03a8807
SSDEEP

6144:vvOG1WA2yXuteuc+bb5LroAarf2neTGdnFJps80pTSvR8oA72jUWviURmd2TfHMy:eGwA2y8euNHS6n1UmRY7DwjHZ8edm0

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
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 5052	2324	AcroRd32.exe	88
PID 2324 wrote to memory of 5052	2324	AcroRd32.exe	88
PID 2324 wrote to memory of 5052	2324	AcroRd32.exe	88
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 1772	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92
PID 5052 wrote to memory of 3060	5052	RdrCEF.exe	92

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\3f77e9bd54571d960c2a0eb73ec443c0_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:2324
- 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:5052
- - 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=B136E9A3A3C546F4CB8C2A34F9267CDA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - 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=29082DEB18F6B24AEA72F54A3E173D61 --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=29082DEB18F6B24AEA72F54A3E173D61 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3060
- - 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=0AF195E1EC78DECDDD5CECA1F6F41096 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2540
- - 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=F86C390151CE151976CB8FBF0159B0C1 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1304
- - 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=A5C66729A281261C5C0A160F6CDFE806 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:732
- - 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=75E198F5AAA6CF2C86FE94A854A0457D --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=75E198F5AAA6CF2C86FE94A854A0457D --renderer-client-id=7 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2352

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
274d81a5a3b5f0b92c4b04cbae641aa8

SHA1
42bd3d22f4f0519c82b6238e1f54211fa74124d9

SHA256
156a979298cab32c85afc89a59df0ccefa295f3b942d926d6176b3f06b278cb2

SHA512
2bf0470c23851050d76cfcb901482446eef9c5e0e0569b254838a24a727d58e8a1dc3fdd86fd6990950a5653ec96645b243944f593ec79cd84823598454618e2

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