be6efdf5ffc65c99effbe5ee068e5644e2a186aede6a86bd49b8d4a8ae27bf61

Analysis

max time kernel
94s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 01:12

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General

Target

b8f7788bee7b24ab4beeb3096c85b6c0_NEIKI.pdf
Size

397KB
MD5

b8f7788bee7b24ab4beeb3096c85b6c0
SHA1

4fbf0ae5646439adf9a2926ec01d93c97d38675a
SHA256

be6efdf5ffc65c99effbe5ee068e5644e2a186aede6a86bd49b8d4a8ae27bf61
SHA512

96465f411af7b0cee4ef6fab61642da5e48688438c2a85d6e3e42282a756f9860535aea30c625a0c0df7d069bd7f8e678613c3df59a3d7a173a11bb8e97a3b53
SSDEEP

12288:VhF5Qj1WNeheb1Hbt6s5N+bqKwLueAdOtKO+5kQd3Q:Vhfk1m1J6sIquFY3+5ndA

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2128	1936	AcroRd32.exe	85
PID 1936 wrote to memory of 2128	1936	AcroRd32.exe	85
PID 1936 wrote to memory of 2128	1936	AcroRd32.exe	85
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 4212	2128	RdrCEF.exe	86
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87
PID 2128 wrote to memory of 3852	2128	RdrCEF.exe	87

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\b8f7788bee7b24ab4beeb3096c85b6c0_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:1936
- 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:2128
- - 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=D713D58023934D4DB088A6A1D8F7CD14 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=3C63458CADF809D8EF0A2D957348087A --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=3C63458CADF809D8EF0A2D957348087A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3852
- - 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=4042A67AD5271017D321EF71C40DB551 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580
- - 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=74CD6B18E7F37AC51FBD91253AF21905 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=10F30895BD37D25268EA5737E7789B8F --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2060
- - 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=55A7F0A674E4D1214965C17228EB4B9E --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=55A7F0A674E4D1214965C17228EB4B9E --renderer-client-id=7 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2096

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
e110fd5ee4ed995d526e33ba71096c94

SHA1
0a5a04279b60738ef54edba81523e27c357950ed

SHA256
e9478d0ddffe93b07772a81e9dee4291cd919b8db0a3587c9d8a46448a623768

SHA512
b8a8e86f03bc6fbdcddef109d22611213cc760e483a7035076164bfcaf92713e1891b1f301cacf68d9da9f2b8a9a1aaf691dc335c54906c88c1dc8cb683c7000

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