f843afec0d6e05b557dad3fd511c811494b1241b30bad1132a4eeb6f86b2b5bc

Analysis

max time kernel
140s
max time network
136s
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 22:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7ba9cc1691a188392b452a9a89b91460_NEIKI.pdf
Size

51KB
MD5

7ba9cc1691a188392b452a9a89b91460
SHA1

f1777f9be718c4bdf0614318a4ab9529a8d961cb
SHA256

f843afec0d6e05b557dad3fd511c811494b1241b30bad1132a4eeb6f86b2b5bc
SHA512

236003a80b78288f281209941c2c4fc204e6873a412f5f3c651e1f15cec9590c693364e0dd05678ec09a07725797a75f530cb6e454a1e09f055e5fde38623a0a
SSDEEP

1536:PMZ4pixaZFWLUIcLBq3EQbgkFp01hqDya85pz:UZ4pIaZF2/ctcESdI4ytP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
64	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 4604	64	AcroRd32.exe	92
PID 64 wrote to memory of 4604	64	AcroRd32.exe	92
PID 64 wrote to memory of 4604	64	AcroRd32.exe	92
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 4460	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 2856	4604	RdrCEF.exe	94

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\7ba9cc1691a188392b452a9a89b91460_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:64
- 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:4604
- - 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=108AA42F4CA98B7AB4277FE0839DF91B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=FA214FB83ED10B04EBFFC6771050DC5D --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=FA214FB83ED10B04EBFFC6771050DC5D --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2856
- - 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=67F0CD37137FBC5E92877DD4A18A4EC8 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128
- - 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=1DC6E4AF708E7B091C25E00CE65CC6E4 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=DEB40845C7EB518158C76BC343A7A568 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=BB18AED52146FE50972F95E7542DF1F3 --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=BB18AED52146FE50972F95E7542DF1F3 --renderer-client-id=7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1652

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
03913c1bb3bdbc8b8dc09a370d313623

SHA1
34221c75d0b8f57191b018cae0aa96ff1ad422a5

SHA256
bcd4e0e77639aac7ae8125c58782e2f07c95b56376d414181a7ac97191bf80a9

SHA512
f2c8fcdeb81457922e22634376829f6abdc20a86be9071d306e861ccfd50dd7916c8c9243fcf8c0ad08c5135f0ed7731ae1e621c5cba9c9b8b631c4c94809958

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit