b6b55efd2019cd8f1e7417a2e897b7fd67948e6817c15665db9388f9d87f9c8b

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 23:06

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General

Target

8e905e5905fdbd40e64f146cb656c490_NEIKI.pdf
Size

53KB
MD5

8e905e5905fdbd40e64f146cb656c490
SHA1

dfae436e6cdff128e1c4c14be28b39dbf60e5b7a
SHA256

b6b55efd2019cd8f1e7417a2e897b7fd67948e6817c15665db9388f9d87f9c8b
SHA512

0099f143ce796941beb3a14a4ce884f2cabe66b24fb8688189a84f135591c70386d0d993951323f65a875ed2c04dfcafe6cf45a2e3f5ebda16d983e19065be02
SSDEEP

1536:+p/iWRii6AARZNrpGZhSshutsNcBZJmKBOHozX:fW8i6ACNrYZhpTyBZJnOHg

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe
4000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2704	4000	AcroRd32.exe	88
PID 4000 wrote to memory of 2704	4000	AcroRd32.exe	88
PID 4000 wrote to memory of 2704	4000	AcroRd32.exe	88
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 4552	2704	RdrCEF.exe	89
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90
PID 2704 wrote to memory of 2220	2704	RdrCEF.exe	90

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\8e905e5905fdbd40e64f146cb656c490_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:4000
- 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:2704
- - 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=1B48B1F3B4025A4DA9BE1967B4302E1B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4552
- - 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=89F11EB75C67214DD12CF22988EC0E6B --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=89F11EB75C67214DD12CF22988EC0E6B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2220
- - 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=4BDF2CD9C2B28C21C6E121F345F9449A --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=08C304B4E1938F9400813A6A001956B3 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020
- - 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=36F0715F184629C85FCAEFDD3C0ACA56 --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=36F0715F184629C85FCAEFDD3C0ACA56 --renderer-client-id=6 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1236
- - 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=076BD8BFB052930408232D73DAEFF628 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3504

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
2f1647889327a6a706cb563102d46fb4

SHA1
4d3066646a08da5848c923aefbd52a851841e119

SHA256
ae1e162d41ee59340a23a137b9cc86f379ffc9e72f3e8040f73740208188d8e9

SHA512
70d7ec8b2cddeb35b8d1770a2f33397922a927c0e7ac951f7a5df3a7533b5935a88a76b02e9f10dee6dcc64cee326981a704d5f00789f224cebf6874825037db

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