359a7ccca2d460a8b98c197a1b3a0b9182c80216379e44a34b7b3b8f1cc7a839

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 19:41

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General

Target

263957d525d2d05c8c50fcfe0430b440_NEIKI.pdf
Size

268KB
MD5

263957d525d2d05c8c50fcfe0430b440
SHA1

42b256efc64a9807bdebb7b51512c48675d1b2a7
SHA256

359a7ccca2d460a8b98c197a1b3a0b9182c80216379e44a34b7b3b8f1cc7a839
SHA512

3852ac099455eeefe2c16b46c1e43eb1895a690706bfa2ffbc9119a7105676a70c45a9fbd0bec1f4690266af8d841d8ef332987a01c3bbcfe47d568cb20dac95
SSDEEP

6144:OD+qZ59Mfz3wneJvpUFXMbydbe95Hn5iSzyfHkXLNmphaMLZNx:je59MfzlJRUBUy89V4wy8TMdNx

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 4944	4444	AcroRd32.exe	86
PID 4444 wrote to memory of 4944	4444	AcroRd32.exe	86
PID 4444 wrote to memory of 4944	4444	AcroRd32.exe	86
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 2532	4944	RdrCEF.exe	87
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	RdrCEF.exe	88
PID 4944 wrote to memory of 1060	4944	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\263957d525d2d05c8c50fcfe0430b440_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:4444
- 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:4944
- - 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=FF6E882FDB6C5631CA5C0DA12AE4747E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=C57BD18BBF55042433BC7D7C0BF31DC1 --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=C57BD18BBF55042433BC7D7C0BF31DC1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1060
- - 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=57585F74C48CB0D337925B991EE0840A --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4636
- - 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=D0DED87BEB515E1BC5C23CC1239ED94E --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4340
- - 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=0C1BA4F81583087ECCFC45FBBCD6D9D8 --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=0C1BA4F81583087ECCFC45FBBCD6D9D8 --renderer-client-id=6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3748
- - 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=6EE8704F4CFD335B61325C256D7324F3 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1980

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
10614235523e65d2d94245096a7191ae

SHA1
ed51b59e3e3157366771eb76e723723809937abb

SHA256
bb62851b85fc2d236372dd115b9f0190a7bad9105e866c7728c7d0ff3d734fe2

SHA512
4700278b6e86cd919229700673f14735aef7e6dd1db8e4bb2c124aaf5d0f74eccde3ee07d91ba168a25e3561c3f33a008bd59a2a1d906034a14940638ca8fea9

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