2efd0fb38b47177119f44762d9ce3e1bfcda912c79d29a237b8f009b58132e62

Analysis

max time kernel
140s
max time network
128s
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 20:21

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General

Target

3c101ca32a6d4cd44d34779edbbdb3b0_NEIKI.pdf
Size

36KB
MD5

3c101ca32a6d4cd44d34779edbbdb3b0
SHA1

8cb168624d57fc2685030205dfb959e5c15655ef
SHA256

2efd0fb38b47177119f44762d9ce3e1bfcda912c79d29a237b8f009b58132e62
SHA512

9e2c2a8a971ad80624f0774bda8f31b27922f4dcbe8daf6dd75db4bff28e4f7aacea5d39429a32dd20df6b714010822b8667cf1734d1613a27096bdb1577e49e
SSDEEP

768:VzL7jz1W+RazrW/FzprBo5sMjBDwMeuft9y6rl3wJFTgSmM4XSjjFYLpRr8Fy6J:hR1/cuuFaJNb2SFYLpgT

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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 4028	3836	AcroRd32.exe	87
PID 3836 wrote to memory of 4028	3836	AcroRd32.exe	87
PID 3836 wrote to memory of 4028	3836	AcroRd32.exe	87
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5068	4028	RdrCEF.exe	88
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89
PID 4028 wrote to memory of 5052	4028	RdrCEF.exe	89

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\3c101ca32a6d4cd44d34779edbbdb3b0_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:3836
- 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:4028
- - 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=0FC571100E2D85726F3DCB858A0C6833 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=952D10D60C1A24DA0B73896A068E35E0 --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=952D10D60C1A24DA0B73896A068E35E0 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=E8A86CE144BB064CDD4BA254383F9139 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2380
- - 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=A7CA3F5AFB080D882AA96E3099E4E34F --mojo-platform-channel-handle=1784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - 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=2B2BCE04B7C5ABE7F9E88CA8CF93081F --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=2B2BCE04B7C5ABE7F9E88CA8CF93081F --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4536
- - 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=82E1E717846E8332895390E71F6F1923 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956

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
d48ee72a2ebcd94f7ab0bdfceddb620e

SHA1
abbeb613f5ce3c06a3fffc7f7905070b7c398e26

SHA256
2dab79b311b46a25a28b2feba4de2819e5ebfd4ac34b970cf969eb0ed45f252d

SHA512
097be585ea77b08f8908d57d8f48d5e51cd1c457c1cc0d477771a6bcea18a79b9ddd931b1ad3390899e0f3ec324ecdacd858242002adfb47be04d1f248bcaa9e

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