f8ce42f12c04cc2c36fbc31c08303f1a66a8b44213be0273a31a7cd974716fc1

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 08:53

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General

Target

36c50eaeabe66445007eee35d40f6750_NEIKI.pdf
Size

593KB
MD5

36c50eaeabe66445007eee35d40f6750
SHA1

39fc9175c91fd9fcf7f3f5034892b26e4f2862fb
SHA256

f8ce42f12c04cc2c36fbc31c08303f1a66a8b44213be0273a31a7cd974716fc1
SHA512

8a9039919af440f91cb69f4f12bb96053e4cd5e0bc0d4aac99d6abba47752ca958691b2294e90d9099331bbec398a535887574692b4ef8af62c137fa28e927d6
SSDEEP

12288:d2r/fIog0LkzC+pymuL2Ma/JFvzhAufVu/+tbunsGwCJe3wweiXLpT0F:d2r/fI/DzhvRmu9IsCnXwyjiXF0F

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 868	412	AcroRd32.exe	92
PID 412 wrote to memory of 868	412	AcroRd32.exe	92
PID 412 wrote to memory of 868	412	AcroRd32.exe	92
PID 412 wrote to memory of 4084	412	AcroRd32.exe	96
PID 412 wrote to memory of 4084	412	AcroRd32.exe	96
PID 412 wrote to memory of 4084	412	AcroRd32.exe	96
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 1256	868	RdrCEF.exe	97
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99
PID 868 wrote to memory of 3104	868	RdrCEF.exe	99

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\36c50eaeabe66445007eee35d40f6750_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:412
- 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:868
- - 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=2918842994FE7F42EC7C7561481C6AC3 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256
- - 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=EA982AF2AE333FEA04F3EA73E8948132 --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=EA982AF2AE333FEA04F3EA73E8948132 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3104
- - 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=5B2B6EBF2CD3EB391B20EBA748BE853B --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=5B2B6EBF2CD3EB391B20EBA748BE853B --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4284
- - 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=A42C2E96E31931484FF596E06DF08F73 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1712
- - 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=A7087CBB5B44AE109C6355221D95A81A --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1312
- - 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=B96D268ED60794C43A4D49508D30B929 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3828
- 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⤵
  PID:4084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2068

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 --mojo-platform-channel-handle=1028 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:1004

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
22d8b47cbfd839ebe3285fadbb6d7c5b

SHA1
7bce9f5d25d6b55205b72be95f269436316aa10d

SHA256
fc9036af1210abc8304c0fa8be387d1460dfcb02c344fbd295941516c4f8ee78

SHA512
e6452c4f5d1869728458d77ceca8d819811c2c6c031059d57fa1103c8f11f7d833275d83365ce011ae8caceb37d70e6d0aac6bb679cfa00d926a10520833f3ac

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