4bca2091f94ea57f59b1c97a878b493ade530226966e8dad2dbc61c27897b593

Analysis

max time kernel
149s
max time network
150s
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, 21:15

Sharing

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General

Target

581864a23d6313ad260e52ad90669050_NEIKI.pdf
Size

737KB
MD5

581864a23d6313ad260e52ad90669050
SHA1

ca2c962696ddfc852d194a9a92656d51c1c9bfbd
SHA256

4bca2091f94ea57f59b1c97a878b493ade530226966e8dad2dbc61c27897b593
SHA512

482569611f9b21536799c5c71d9a461759ddfb2fc0d100b464ef0172cd10b5a61a58567524fc35de72995fc264cf624f740ff27f0f7b15a6d68a53db80515e78
SSDEEP

12288:OQhCg1IQ/N6mTJtei+4Bd904mdhWqdvySOpuq+yR+fkAgywsCDq64s:hhCoIQ7g4B4vdhWqtyS8JRfvDqE

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe
5108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 2532	5108	AcroRd32.exe	87
PID 5108 wrote to memory of 2532	5108	AcroRd32.exe	87
PID 5108 wrote to memory of 2532	5108	AcroRd32.exe	87
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 2808	2532	RdrCEF.exe	88
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89
PID 2532 wrote to memory of 4040	2532	RdrCEF.exe	89

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\581864a23d6313ad260e52ad90669050_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:5108
- 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:2532
- - 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=1CD47079B0BD5D256198BA8D70AB008F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808
- - 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=749C41F1B4E6E3CE85B71823178C67C9 --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=749C41F1B4E6E3CE85B71823178C67C9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4040
- - 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=D63A984CF28901F6B2CF679A90F24CEE --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060
- - 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=3D693B4216E04C0CF469E1A820656D62 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1196
- - 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=EAEFF860E9DB5D6F62ABBCBEE5E0F97A --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:512
- - 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=18C81EE8588A6003605B2458EF16C3FB --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=18C81EE8588A6003605B2458EF16C3FB --renderer-client-id=7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4968

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4868

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
5928e7bc2b2c92eb3c0dc0c27b1b1ecd

SHA1
3658db9a4c01c06bbe8deda1db349a4badd7a5a7

SHA256
f9e2051b7a681f04643185850a91314104ff292b14088f9d750a7ae98ce4fa3a

SHA512
979a750a6b7f3c2ba815f3f016b8edd05c4b206056ee8b275799f4f7b899b1cb68dd1eb0537f413a425135041f339ce9e864e567b7c86ab50bef9fc0c66abd62

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