a2b8eded5dcb2d8b27707a08730bacb486ebfbf455e55d283607b9461ac710e0

Analysis

max time kernel
137s
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
08/05/2024, 05:56

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General

Target

ecbd7bab88c952f0c0ae1591c2248f00_NEIKI.pdf
Size

19KB
MD5

ecbd7bab88c952f0c0ae1591c2248f00
SHA1

9e1166daf429a03a87a2deadd523d246b53c9e2b
SHA256

a2b8eded5dcb2d8b27707a08730bacb486ebfbf455e55d283607b9461ac710e0
SHA512

98d0888fa99ccb44b4d44c5e87a6b5baff7fb4b47bcbe2a9f132445e36ab59ecdcad1a7a265351b6dec94f9c0b9dd902a1624a63860b06273bc9a41c4be583ac
SSDEEP

384:CwUdBzvfnraXNhr4/wasjRC4bH+FxByO5t5dI/I9KZLxLGdLP974Yb9Vab:CTreXrr4oNRpH+Fx0QtfmHZFidz974YA

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
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 3196	4432	AcroRd32.exe	89
PID 4432 wrote to memory of 3196	4432	AcroRd32.exe	89
PID 4432 wrote to memory of 3196	4432	AcroRd32.exe	89
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 1660	3196	RdrCEF.exe	92
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93
PID 3196 wrote to memory of 2932	3196	RdrCEF.exe	93

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\ecbd7bab88c952f0c0ae1591c2248f00_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:4432
- 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:3196
- - 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=64E38658C4EA4E1AB515C9506CE9B2BD --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1660
- - 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=E579B460534E1D00FA5137EE635BB494 --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=E579B460534E1D00FA5137EE635BB494 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2932
- - 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=DCA1A63EFAD5BF0FF8F30BA4D06DE598 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:756
- - 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=54E6478532AAA8E6B98779B3BE48BA69 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3228
- - 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=3B3B2CA0FD75780B7786437EE3CE2703 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636
- - 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=B013243B2BE8B488DA930371C09F1C38 --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=B013243B2BE8B488DA930371C09F1C38 --renderer-client-id=7 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1740

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
ee197bf1d040b00f11d644a9ada84131

SHA1
add29d336f4ef5f7f1a5f87f6d934118ec9fc4bc

SHA256
6ef486a5a17d7c80ddbd060f79ddcca68a367584dd9c4000e9768326f9ee4620

SHA512
e189dff6ba53e6efb0fa1ee8cf63fe88876e8f6fe241270d1faef8cb26b910c96113072b45ec978b05230a113a95a9a592d8e54c9207e09c48358a97d4810044

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