6ff2ff91eb4e1b6526e17b4a6b81d288dfa6361c2fe053a4567c329d4bf378c5

Analysis

max time kernel
133s
max time network
128s
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 01:52

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General

Target

9c34cad213fe14c628e230f9c6c11b50_NEIKI.pdf
Size

559KB
MD5

9c34cad213fe14c628e230f9c6c11b50
SHA1

a7e542b755a1298f8572f7e501224f8a34ecd6f1
SHA256

6ff2ff91eb4e1b6526e17b4a6b81d288dfa6361c2fe053a4567c329d4bf378c5
SHA512

29394064748d0328ba7be76ddbc247f710d38df1fbd04bd6b8bba2a6643d203ef34ceb10294902002f1a6fcaf24c3a17496a518f3546ca76a0427e0eda734473
SSDEEP

12288:sQu7JU5NbfWJfo1EL6qg9CF3MpO2YWHKDPqOyDVI/RC+Q1E1Jq4GPfhmGQlNZ:vu7u3CBo8gpYZDPND/R47ozl7

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-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2272	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe
2272	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1900	2272	AcroRd32.exe	95
PID 2272 wrote to memory of 1900	2272	AcroRd32.exe	95
PID 2272 wrote to memory of 1900	2272	AcroRd32.exe	95
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 4236	1900	RdrCEF.exe	98
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99
PID 1900 wrote to memory of 3280	1900	RdrCEF.exe	99

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\9c34cad213fe14c628e230f9c6c11b50_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:2272
- 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:1900
- - 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=49D99AEFCFB7978D813D64CC466197FE --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4236
- - 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=231C24EEE95F79C39D13CB15208FA24D --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=231C24EEE95F79C39D13CB15208FA24D --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3280
- - 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=CCBC955E9840A49E17BB569448442396 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=FF2CD8745C67E16A9CB0B52A6752F2CD --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=E13E00CC88468E9E094FAD139013303E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3056
- - 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=7813CB4DCAF67E709F8272E8600D7134 --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=7813CB4DCAF67E709F8272E8600D7134 --renderer-client-id=7 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5000

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
e0ff01c71b47dc0dd38660ef8007ff2a

SHA1
06d24b853dd5bb28d0e295d57658c0163b7861f4

SHA256
fd87ee6750000f5636f77cdcdd42dd2560ca0b12684d8b86bc11c6d01c62fffe

SHA512
46bc82e56d3f6fa507f66b5fd07ca87e394ecd9f7d95589ff7832909de9ab3d9d63c81c46b546d5d5db1877a92ba000bf03cd2771e0969ca764ab3b3c6e962d0

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