1c02b3ae75538b6ee18e2d270caadbde25fe0337cb542f17073e44ccd1208963

Analysis

max time kernel
134s
max time network
125s
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, 10:19

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General

Target

5f8f436e7a5cd1777ab20baa0bb4ee80_NEIKI.pdf
Size

397KB
MD5

5f8f436e7a5cd1777ab20baa0bb4ee80
SHA1

cd0f180844002c6f06ea6739db59d96e1f6e9ede
SHA256

1c02b3ae75538b6ee18e2d270caadbde25fe0337cb542f17073e44ccd1208963
SHA512

3079f70b56180984d8f2b0ebc529e65a6de4e836fe6a3311930ad02a80085fe1810f143fd048e7a16d4903cf9b7d9920165f420b2454651ae3b95ca490eba3bb
SSDEEP

6144:diYEPkve9M/4b0Upyak0LgYt1PVj6Mw1PqWZFwiya4/hFd6t4UAE:diFeaoL0LDt1N2Mw1PqW/LMhFbUAE

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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 1828	116	AcroRd32.exe	93
PID 116 wrote to memory of 1828	116	AcroRd32.exe	93
PID 116 wrote to memory of 1828	116	AcroRd32.exe	93
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 2168	1828	RdrCEF.exe	95
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	RdrCEF.exe	96
PID 1828 wrote to memory of 3556	1828	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\5f8f436e7a5cd1777ab20baa0bb4ee80_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:116
- 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:1828
- - 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=6A62A49C4221318B9A998C58F8E2313A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2168
- - 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=4F0A5282ED6E6705EF97FA3BE4CE792B --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=4F0A5282ED6E6705EF97FA3BE4CE792B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3556
- - 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=0C1F5AA31BC5F75D68FC0461AA12901B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3704
- - 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=A53BAC424926CACA77ABE2F902BBF5BC --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764
- - 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=F95AB6B2AA22628EEA804F27873AD9AA --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=F95AB6B2AA22628EEA804F27873AD9AA --renderer-client-id=6 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4796
- - 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=2D8E97591861A162C5367D6DEF350009 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940

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
1078218b82bf908695acab45e9e656d2

SHA1
bfdae77a599440cba491193465412143f228bac0

SHA256
041b17d65227248980dd0b168bb146a4352c9de42172b10c7c5cbaebf74a9420

SHA512
0c5633413d9aaa72e67fe12da09514f65386717d6f11a60a698517b2ed1971e3212739fe574ad60c27bcf6ebd28a661a5fc873bc407f6b85b49db582349bdd3b

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