7287e4783d9e59809c473bb23af26f758dc405620790910ac35724f248444714

Analysis

max time kernel
136s
max time network
137s
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, 10:42

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General

Target

6a75aef9ae6126c0a19813ff66efb7b0_NEIKI.pdf
Size

117KB
MD5

6a75aef9ae6126c0a19813ff66efb7b0
SHA1

75ac6901fdee652d67c76be796cfeb119bfd3f7c
SHA256

7287e4783d9e59809c473bb23af26f758dc405620790910ac35724f248444714
SHA512

4cc998003a3b653d55e569b542e6242121809626d19e6dcedc1b84f4c40e278fb448ccde97a7970f32a2c8088781a7cd27752f35677fb235feb29f549629eb4c
SSDEEP

3072:8EQrPSHPyJiGQBNtIeuHvtvBl4DCXIQ3zPSU5:8EQrOysGQBNtIeetvMDOIQbSc

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1184	1688	AcroRd32.exe	89
PID 1688 wrote to memory of 1184	1688	AcroRd32.exe	89
PID 1688 wrote to memory of 1184	1688	AcroRd32.exe	89
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4308	1184	RdrCEF.exe	91
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92
PID 1184 wrote to memory of 4828	1184	RdrCEF.exe	92

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\6a75aef9ae6126c0a19813ff66efb7b0_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:1688
- 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:1184
- - 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=5965EB7A3B815407E23E4F4AFD28167B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=88160DC0E8E3C446FF384955002F939A --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=88160DC0E8E3C446FF384955002F939A --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4828
- - 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=ADA07E4EF5A3069CC4CC76A91EDD5E17 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=0ACFF28F383E23CA08F416BA832001AA --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=A1B4FA926ADA53D911A462E6AA4F3538 --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=A1B4FA926ADA53D911A462E6AA4F3538 --renderer-client-id=6 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1844
- - 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=8C1DD72A7766FD7923C051808F7E3627 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4208

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
3cd8f42f6930fa46723fda3c3fe80c65

SHA1
ae2572aad84bd3a8a00e7ca2f34fea9e597d905d

SHA256
dc759dba5fad52e7cd95d62390964868955f2fc8b15b1f74bfd6e5f0628d19a4

SHA512
fe3892b0842b4bf6a6f3cb6130be6d8ba4e201c6c4edb4523283cce77f1be9f04dfe44fe2a4dcc2f292cd803156175a32dbaa497bb3090033dc5611975ed69b4

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