7a9a33271563b1337fd28f940b798316523d62afdd23f02166d34eb14c6f4729

Analysis

max time kernel
132s
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
07-05-2024 21:37

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General

Target

3ef3ee4e03f6f1c2a28f225d42372d40_NEIKI.pdf
Size

20KB
MD5

3ef3ee4e03f6f1c2a28f225d42372d40
SHA1

0e4f41788f0a13f87065bf3feef5a2063b297292
SHA256

7a9a33271563b1337fd28f940b798316523d62afdd23f02166d34eb14c6f4729
SHA512

5b6e222829910adaeeeb16d248db2ce99b0b0c7c3c1141229cc83e531d77564a2a4fa29d04d2ac4450a57dfe9eff5b3ce53e4934ee2a521ce0964863695a3ba2
SSDEEP

384:2Z4KR7heIN8A8oJj7WBaXwAUy975KupUN6MuaagWrMLH/LxLFLLcJTXFX54YHPOd:KFJOAjlWBlAr9hehadMFBncJ7H4Yv0

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-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 3644	216	AcroRd32.exe	90
PID 216 wrote to memory of 3644	216	AcroRd32.exe	90
PID 216 wrote to memory of 3644	216	AcroRd32.exe	90
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 3648	3644	RdrCEF.exe	91
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	RdrCEF.exe	92
PID 3644 wrote to memory of 976	3644	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\3ef3ee4e03f6f1c2a28f225d42372d40_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:216
- 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:3644
- - 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=A141B127AC5F3A131CB491812EEDAB96 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=3EA502CF9F45A8CCAB07A5E6B79507BE --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=3EA502CF9F45A8CCAB07A5E6B79507BE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:976
- - 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=A5FB1C2F3FC239DB566E039ABE3BF6D6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1212
- - 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=787F7FB3165CFBC1B5BAAFC3B66BC9C0 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092
- - 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=86CC59836C4F6C47F85E05404E6589A8 --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=86CC59836C4F6C47F85E05404E6589A8 --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1692
- - 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=26117DBC8EB74FABD16AE17E0A0504DF --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3724

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
fca763c59f70fb4a79c85efc03383e12

SHA1
198f2cecc796fa8659b204594da5ec18f593cd2d

SHA256
b63e4b47589f6d518c15847e205efc43f2fc4302fcc0a6fd88a4f9be86a880f2

SHA512
9ab89ea29bc9565840a7fb66eeaec47378649bf9ea063023e61040dc01ea012be788653f1c9e57b67488988d55e8c298d46cd46cde05c7ab8ce3c4637cac913e

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