31382ed0c534c659a494cd28e3b376d8b6536d5ad48511c0ae6ecc07a42a5390

Analysis

max time kernel
114s
max time network
130s
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, 14:11

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General

Target

d6742a3c4a86759daad0b689be888cf0_NEIKI.pdf
Size

426KB
MD5

d6742a3c4a86759daad0b689be888cf0
SHA1

fc55a73efcf7dccdc0d76f171c72b63b135859b6
SHA256

31382ed0c534c659a494cd28e3b376d8b6536d5ad48511c0ae6ecc07a42a5390
SHA512

787452d5edc405f9cdf915548cb1330a46c33a326dc548acafbc337f1f84227a8b769256474279d63822b00f3a6781464fc28fe43e04c7861719b958b716fc35
SSDEEP

12288:gD7CkzOEwOTC82ipaCfGby7jcbEyXEDMjzxreZP:illCzXSMPl2

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-1-5-21-1181767204-2009306918-3718769404-1000\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 6 IoCs

pid	Process
4760	AcroRd32.exe
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 916	4760	AcroRd32.exe	89
PID 4760 wrote to memory of 916	4760	AcroRd32.exe	89
PID 4760 wrote to memory of 916	4760	AcroRd32.exe	89
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4420	916	RdrCEF.exe	90
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91
PID 916 wrote to memory of 4468	916	RdrCEF.exe	91

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\d6742a3c4a86759daad0b689be888cf0_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:916
- - 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=E08BF873C377C36CEBD6268AF4BA2B6B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=6A471BAE84B6866EDBC08F56C959E30E --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=6A471BAE84B6866EDBC08F56C959E30E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4468
- - 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=D6CE4964B3E58E2FC8D7A2E207651561 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1084
- - 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=D5A09F62196C3B1768B13B3296C0A3A5 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612
- - 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=5FC7198F949F015F45F58942B4BA1D4A --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852
- - 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=D1D408618F42C8E1EF3E8E595CF0803E --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=D1D408618F42C8E1EF3E8E595CF0803E --renderer-client-id=7 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4888

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4120,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4208 /prefetch:8
1⤵
PID:3248

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
bb655ff1ab7a66fb768cfab6bc097bf8

SHA1
48731802fae1f1065fce08d42dd415707671d53c

SHA256
7ac9415741bcb3115bfc9b17aac81b53270824ee5cc74a3e0e09e8cb00b5ea8c

SHA512
816665a2e0e274be844ff09b0c573e3287e4e7d0ce35db5ecba41a58de918734cb9a60aaa235121a6f110ffc0bd16446b9786772eaa5baf185d38aedc262d128

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