612a1ed8b493589953643b3973621e8d57b43a163bc634ee4c093657bfbe8a5b

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 06:30

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General

Target

f82646da8e66339c0ebfe3a45e07b0b0_NEIKI.pdf
Size

256KB
MD5

f82646da8e66339c0ebfe3a45e07b0b0
SHA1

55aece107fa6d954d875c9d11f193ffff4cc79db
SHA256

612a1ed8b493589953643b3973621e8d57b43a163bc634ee4c093657bfbe8a5b
SHA512

b77c9efe25f6fe4e174a310c7cd6668c40894971dd8f328ee4a6e44f91698f6583248107d54e427049cabc73bf53e8148961c8be65abfafb825154ac11bddcb1
SSDEEP

6144:8Lzk3dcRGDdUaTlEuqzhZ3hlnqD7sS7Q07wHmxTowNdozm:8/cdcR4d3AdFh1XS7QgwUjh

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-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe
744	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 2068	744	AcroRd32.exe	88
PID 744 wrote to memory of 2068	744	AcroRd32.exe	88
PID 744 wrote to memory of 2068	744	AcroRd32.exe	88
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 2208	2068	RdrCEF.exe	89
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	RdrCEF.exe	90
PID 2068 wrote to memory of 4548	2068	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\f82646da8e66339c0ebfe3a45e07b0b0_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:744
- 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:2068
- - 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=4701F15AB358750E20765D7173CD39C3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2208
- - 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=6B8C5D8AA40AD16B06748D8EE20CDF36 --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=6B8C5D8AA40AD16B06748D8EE20CDF36 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4548
- - 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=575F06D563EA18E27A0A1E4ACA60A15D --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=252A80E9AAD9B0C789A1EE45474126D3 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=957E72660B63E0E6A0ACB734731A83ED --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2728
- - 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=7DA2F82B626AD50EA4BB0244769D890C --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=7DA2F82B626AD50EA4BB0244769D890C --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1712

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
7c2bda2b8979e42330838617b0fbc28b

SHA1
7d7eb8e51eca117b54dd31dbd4f3c7d41f5c2af2

SHA256
b3618e8ec96c9e4fba69a5c596fa9eb4f8d25fa840aa66c61164a5df1f329a0e

SHA512
c9824315510baabc993222e6663193d67b74106f26b9bb80352351af4b021e7b7e99a7a899f9d5fb3fdcdbc2c1d2d1566d8901aa62aaae129386a4282acb983b

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