576122c4f85e0a69b6dce2b1c72c808f981e1884506f543ecc3999257bca09d8

Analysis

max time kernel
134s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 23:46

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General

Target

6b8d8271f5b170b10e1be68a36cfc560_NEIKI.pdf
Size

522KB
MD5

6b8d8271f5b170b10e1be68a36cfc560
SHA1

a4acdb7ba99e8608ad06aace526898e082d8bc2f
SHA256

576122c4f85e0a69b6dce2b1c72c808f981e1884506f543ecc3999257bca09d8
SHA512

e9244f41bbfbc5f19abba8d2ce88acde31fe7bfc551f40fecc4e41286d71a9bc1523e746bf85ca57496f73d9a0b2c990ebe330893c546194d44901dc068c7fd3
SSDEEP

12288:8kiG5gp5MPZX5AA9dZ8m8L8+plB/GlJgI/FfaMTGSBJ:8kZEmZiA9v8L8U8JB1aMXJ

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-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 3452	3564	AcroRd32.exe	86
PID 3564 wrote to memory of 3452	3564	AcroRd32.exe	86
PID 3564 wrote to memory of 3452	3564	AcroRd32.exe	86
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 1200	3452	RdrCEF.exe	89
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90
PID 3452 wrote to memory of 4136	3452	RdrCEF.exe	90

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\6b8d8271f5b170b10e1be68a36cfc560_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:3564
- 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:3452
- - 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=9EACA088017CEBB4E858EF21F9CBF1E7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200
- - 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=7F18188EAA8C8E5AF1F2B4DDAD1BCBCA --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=7F18188EAA8C8E5AF1F2B4DDAD1BCBCA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4136
- - 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=4CDCAC87BED063AE8EE4D19B750D4872 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2732
- - 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=D5886CCC83D1771CB4150A6ECF309924 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:880
- - 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=3A48D5B887B5AE6ECB2922FC1EAA5E9D --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=3A48D5B887B5AE6ECB2922FC1EAA5E9D --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4868
- - 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=14444F74A85EBCCAC55844C1649D4BF0 --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4712

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
16ceafa57f1177c009f5905141f27b24

SHA1
ed54978443e229c7815eb285f2b32a3156a212ca

SHA256
86c9d890988b421a5848532e7e3be0004cf00772ffce007e4160bd1e203b1fa0

SHA512
7314b6856da35e270c4a6f4e0458e1a866a80c3dcffa0ec0f4fe217f92dea7ac9f8b395080267782f08254d6de22e28b1c1da1885a314c316ffeba3937c92afb

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