cfd355ebcfc46633ffb0fbd370b9c98075b2941063fba7de93b17c92a919bf07

Analysis

max time kernel
131s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 00:11

Sharing

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General

Target

749e6e3d34c12a9a5d7f867d598e7880_NEIKI.pdf
Size

68KB
MD5

749e6e3d34c12a9a5d7f867d598e7880
SHA1

e27f511167b177690cbf43e219b9f12899750ca9
SHA256

cfd355ebcfc46633ffb0fbd370b9c98075b2941063fba7de93b17c92a919bf07
SHA512

e0e028b70fca99be984c488f66c4a1c152cbe155f4bc1aee8a7f990ce33f57ed58273749b74c6822ef34312d2082abacc8472a5b0c131c44c48cab740283636f
SSDEEP

1536:6/9XY+6F/wWka5cfXTKEtev4rvsS2DWEwKVATkCyQFwQ9H:+6+w/65fXT9tVvsSAwKCTktm

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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe
1332	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 2968	1332	AcroRd32.exe	93
PID 1332 wrote to memory of 2968	1332	AcroRd32.exe	93
PID 1332 wrote to memory of 2968	1332	AcroRd32.exe	93
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 3924	2968	RdrCEF.exe	94
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95
PID 2968 wrote to memory of 4360	2968	RdrCEF.exe	95

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\749e6e3d34c12a9a5d7f867d598e7880_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:1332
- 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:2968
- - 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=418AC79E74D1DD38D4048F5812B744EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=AFFE0E75339376CA12255A200A123BA2 --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=AFFE0E75339376CA12255A200A123BA2 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=3CDF0469EFECFB82DAA2F2A4B8062920 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=3FD14039EAFAA3B2597BA944A0D2FDCC --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=BDB280253D53E901C8A6823C0B6DB5EA --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=BDB280253D53E901C8A6823C0B6DB5EA --renderer-client-id=6 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4148
- - 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=ADC6C535DE224AC6DD01ED49816C118A --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700

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
8c11a7d02fad979038b5f636d2588b1c

SHA1
0e1464d1979c76627ce922a79c272c0ddc830e69

SHA256
82879ab81730c7b1854089194eae1ba7550218cd95f331152f3e855427f2689a

SHA512
243003c18f5efe518c960d9e100a215bd7fb114c72cfa57feaf8947046f0371b3c73c20395ee78a6dd21df202707d19dac6fb4adcce6837ee1308906018fdf43

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