b893488fac014e550e28141cdc594f11fc140ed8941675004446e390fa87801b

Analysis

max time kernel
148s
max time network
158s
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, 21:01

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General

Target

50633bb1838416a725dd072af1c47bb0_NEIKI.pdf
Size

184KB
MD5

50633bb1838416a725dd072af1c47bb0
SHA1

4d8f84f8f91f30750ed9f9e3f492e419789c931e
SHA256

b893488fac014e550e28141cdc594f11fc140ed8941675004446e390fa87801b
SHA512

e7ce316a27f82ed84baceb3cd809bd84dff5c0e5706da1c04b766b5ecf2a487e6df2ef4a9407dea239006d254065188b98632563c6d4c1a20695cd2c1308d648
SSDEEP

3072:fZASEAoD0SlDUs58tGC+Mj7GL6zIUvPQsw4KY4WCsEw1m4tjCBphfdeLR2DoyABA:DEH0lRH8ePg4KItEw1JtOF1eLROlz

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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 792	4760	AcroRd32.exe	82
PID 4760 wrote to memory of 792	4760	AcroRd32.exe	82
PID 4760 wrote to memory of 792	4760	AcroRd32.exe	82
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 5100	792	RdrCEF.exe	83
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	RdrCEF.exe	84
PID 792 wrote to memory of 4724	792	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\50633bb1838416a725dd072af1c47bb0_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:4760
- 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:792
- - 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=8DBE8D17E67BF6991137A48EA2721CB7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=1D9CF10EECEE0E0B2E0837C8BDB4D8C8 --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=1D9CF10EECEE0E0B2E0837C8BDB4D8C8 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4724
- - 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=C2BA97135622E6EB5F3B002B02F877ED --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256
- - 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=4E7B3A55EABC6601A7809736F1414034 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=B1CAA51C4C3D690C62A7505F0017BE9F --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=B1CAA51C4C3D690C62A7505F0017BE9F --renderer-client-id=6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1032
- - 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=0E78CEB3DE0B341D2483C4EE54D41AD7 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2980

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
baf827f5dae4a307c380b4a9dd098477

SHA1
c4a22d98339a23cb1e1c38bd0db66c21f85bfa42

SHA256
c9624d8cba81c2d3af5be8d3e2b1fa3201af7ab76a44210e64493dfe2f0a9e52

SHA512
2d753f82f349a22ce8b15bf2e6a90bfc1f3f6b4da6901aa143d0fdc89441e58b1dfe86253f01b749850414d74780dd81496ae2187247bd3160b7c3534d890ff6

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