cef4a65d0ca1dac6cf530add89d857f98b3ea7841e45016e3dec3ac30012bc3b

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
08/05/2024, 04:54

Sharing

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General

Target

d832aabb644d6d346a51aeed4911f550_NEIKI.pdf
Size

11KB
MD5

d832aabb644d6d346a51aeed4911f550
SHA1

20bc6d32ce44aefa8bb01f9b98799713459369b0
SHA256

cef4a65d0ca1dac6cf530add89d857f98b3ea7841e45016e3dec3ac30012bc3b
SHA512

46711539310b441a2b28ddaa9c6f8c821c05936b7ea5a6cc8e3d310de04e05e2d04008f5508ee6a1a09c2d290384098372464e9c294834c3004d03ddf0839863
SSDEEP

192:IrWHnEePcByiTqXZKdKLR2suQR0cuuUfP1h:IrWHnEeOyHXZKdKLgsuE0cuuUfP1h

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-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 4184	4560	AcroRd32.exe	90
PID 4560 wrote to memory of 4184	4560	AcroRd32.exe	90
PID 4560 wrote to memory of 4184	4560	AcroRd32.exe	90
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 3352	4184	RdrCEF.exe	95
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96
PID 4184 wrote to memory of 5108	4184	RdrCEF.exe	96

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\d832aabb644d6d346a51aeed4911f550_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:4560
- 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:4184
- - 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=BB58A1C692C27013B671CA201EC172A8 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=18D8AB6FF9281E9D6BF07C82223423C9 --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=18D8AB6FF9281E9D6BF07C82223423C9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5108
- - 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=728BF18790887DC8C0B61E858C75010F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4936
- - 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=EE1A45E0BF325722441CEA96C3865ED2 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052
- - 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=DDBBD53904059940504D8ADB9EADB6E1 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424
- - 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=86E5D9BCB8160D105AB1D415D5D36F0C --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=86E5D9BCB8160D105AB1D415D5D36F0C --renderer-client-id=7 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4584

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
1ad00adf318aef1ed80387604f68db28

SHA1
2ae110d49a5d255c8a2a7864b74d855e6baa1294

SHA256
71c0d477e26eb256b15cadc5e60f536fe26707df7166c9d9e4d9673ce4c42929

SHA512
a83e917b3004d8854a0c30ede9c5e79e2e631e5e36bccc41e50bcc8630fa3f4e6ac5e62e05b24fab412023db0f670d83b0511d071ddd954a9f0b932d6ac8299f

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
memory/4560-123-0x000000000B7B0000-0x000000000BA5B000-memory.dmp

Filesize
2.7MB

Download