91ee179e0b6220357509357afa5ea880b16b7bc954c51ca75571a6b35c241373

Analysis

max time kernel
137s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 00:23

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General

Target

ab96a1a1b5f81676fe4b303132160170_NEIKI.pdf
Size

36KB
MD5

ab96a1a1b5f81676fe4b303132160170
SHA1

cad26c5a5fa8b90a00ad9449b489e00d2526921a
SHA256

91ee179e0b6220357509357afa5ea880b16b7bc954c51ca75571a6b35c241373
SHA512

bbd90c82419573df309a311b9398d2d5d62ecb49a1ded687e743791cb24b24ce6806c53fdce648e9674b2a55a367c26cc6f2864382fc61100b64e275f4366c34
SSDEEP

768:6ZOiNZ0iushB2JiIZ5kq5EjZRWkJ12JudbSHdjbh0Np:ZiNWi/2JvZ5SlJ12JUydjep

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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 1800	3968	AcroRd32.exe	86
PID 3968 wrote to memory of 1800	3968	AcroRd32.exe	86
PID 3968 wrote to memory of 1800	3968	AcroRd32.exe	86
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 4460	1800	RdrCEF.exe	87
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88
PID 1800 wrote to memory of 2088	1800	RdrCEF.exe	88

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\ab96a1a1b5f81676fe4b303132160170_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:3968
- 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:1800
- - 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=B704C23D3AD9D3CE888EC693FC2B2763 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=F23BAFC0DE8BFABB26A44E04AE056699 --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=F23BAFC0DE8BFABB26A44E04AE056699 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2088
- - 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=B2A2A1F04D943F8C9522980997C06B02 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=AFB9585B98E63F46151D917F4A84AC0C --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448
- - 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=88A03C1807EE090E92419DD4FA7499E2 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=22B7BFF375F45573707F7A765EC9BA65 --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=22B7BFF375F45573707F7A765EC9BA65 --renderer-client-id=7 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5048

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
9644c8fec4355494acf2effa9497a458

SHA1
70910ff5b4c761303f77e70bf192a6d9aad2391d

SHA256
e8ffcf165b493579ad11255518fa26595e90cdab305f6efbabc031bfa6cf34d5

SHA512
3400fa6d0c08b2742cad66cc4e2f86487ed72ca17b32eae3a8ad7247e00208748555937c18ca3ee7c8403cf6330536b4845469b9464a66d8ab1b9a19f78e3e22

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