5d6fcd1d67ba0e98501e6f14f54c60405e14b0c29ff3a74785fd36fbda75ee80

Analysis

max time kernel
135s
max time network
135s
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, 04:04

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General

Target

c720a4b94f3dc7dd4c2c1bf4a0f82ae0_NEIKI.pdf
Size

483KB
MD5

c720a4b94f3dc7dd4c2c1bf4a0f82ae0
SHA1

1ae2f8c4089ba57a406b9242007ca01af1024f99
SHA256

5d6fcd1d67ba0e98501e6f14f54c60405e14b0c29ff3a74785fd36fbda75ee80
SHA512

e7bbdc63983e14a4f21968943e1f0cbe0f324cb6fa8d16e5ea723bc267c9e79d87373cb010527c888fa719fe22216d4b9d64bfb69a11f2769a44388942932862
SSDEEP

12288:KCiOetk7A24cQnbhtiZYD0HFM+Dqej9NFoXLyAs6J:KCitkvolcFHa+DqefOLWG

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-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 1948	1912	AcroRd32.exe	95
PID 1912 wrote to memory of 1948	1912	AcroRd32.exe	95
PID 1912 wrote to memory of 1948	1912	AcroRd32.exe	95
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4864	1948	RdrCEF.exe	97
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98
PID 1948 wrote to memory of 4084	1948	RdrCEF.exe	98

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\c720a4b94f3dc7dd4c2c1bf4a0f82ae0_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:1912
- 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:1948
- - 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=69F2E84C78ACB3D5AC6E095CFB3CF493 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=2ACF46B9BE4AA022AC11A99D7CA8FA67 --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=2ACF46B9BE4AA022AC11A99D7CA8FA67 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4084
- - 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=8EC140BE8D6052BFA3EAADBED7ACAF02 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - 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=43F15B67C5D6D7506841821C1C68C3BD --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=E2ECF00E39B996FE1B8984DE4D6EAA81 --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=E2ECF00E39B996FE1B8984DE4D6EAA81 --renderer-client-id=6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=806E41FC308A25721D95DA573C4404DB --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208

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

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Downloads

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

Filesize
64KB

MD5
1a40caf36a8592ef5aa21dc0c7178e68

SHA1
cbe1dc9efd62dc75460be7757b32e8517d4cac5a

SHA256
fe06ea7b596ac152304ebb538c00d6e34180ae4c6eaa6f0d7d4903f70adae84e

SHA512
ad4ec494c6a1070f78a4b749768f74004678c6fe66d2f652d456ad0625cad77ca63eb127d25b032d93f5558d0005b84b9bbc468997e52995aeb1758979b9f24c

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