39422f08785bddd11fbc0b2f2b78428d9aee3196a6e86182d76d12f2752b43ed

Analysis

max time kernel
133s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 06:05

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General

Target

ef792e151cab9a2068457ea6583e2c90_NEIKI.pdf
Size

458KB
MD5

ef792e151cab9a2068457ea6583e2c90
SHA1

594d7dbe0804ac44d2bd07d93bdee80256544ca4
SHA256

39422f08785bddd11fbc0b2f2b78428d9aee3196a6e86182d76d12f2752b43ed
SHA512

bf4148259c43e8fbf15755231b30e79eebfdd02d80d0ad0d663b619ebc609a6b517908d77c7f4c1fbe08fcdd6c92088d20e8a0a47f93973c252525e775b079f6
SSDEEP

12288:RWdVIhdxUnjtVhHY5vo+Q0GJzzyfzphk73N1fGC3Lr:IVIhDUW51Q0azOap7r

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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1104	2964	AcroRd32.exe	90
PID 2964 wrote to memory of 1104	2964	AcroRd32.exe	90
PID 2964 wrote to memory of 1104	2964	AcroRd32.exe	90
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 4448	1104	RdrCEF.exe	91
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	RdrCEF.exe	92
PID 1104 wrote to memory of 1108	1104	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\ef792e151cab9a2068457ea6583e2c90_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:2964
- 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:1104
- - 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=C34BFC29D8E7BF6B22AAC51EAE858665 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=7317B0A09056526E59C40DD3091F6915 --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=7317B0A09056526E59C40DD3091F6915 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=35A722BF7AD9065A678B265DEEA1D2FA --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=2811D389E717B847E3074365C977B83E --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052
- - 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=1E5E3499237C86C8BA7508A62CEF2793 --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=1E5E3499237C86C8BA7508A62CEF2793 --renderer-client-id=6 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1004
- - 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=C5F2BC634EEC3859FD563F3B4C1618AC --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4436

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
28d1fa025d6b62f8b94c32cacda304d2

SHA1
bbb1882d0b7bd10a18648927ea839804e747dfaa

SHA256
b4fb0b0d2e7b12f2a1f124897f004f4a33c2d39116eb44c3de111b57fd82e822

SHA512
4026cba012f098ff29980e447258671745d935af986df8f92bf1a6a2a9eef4f02b3745329b0fb92354604dcb0c40a7be1a0a89286225f2625a053117650c6ee7

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