3980b025798d2e564835c98359210fc0fde84895515f74d03cea47f0edf2d13a

Analysis

max time kernel
131s
max time network
124s
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 19:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

21526bf2becfe6acdc590b14fc12ba50_NEIKI.pdf
Size

45KB
MD5

21526bf2becfe6acdc590b14fc12ba50
SHA1

261bdc7c38d153668a0c970bc21861fc165e55df
SHA256

3980b025798d2e564835c98359210fc0fde84895515f74d03cea47f0edf2d13a
SHA512

de50f6536c1b9f7d723326d6758c0bd30847cd00e85489619e5f2af86c5ab81baaae60fba2a17e6dc24f83d3deefd3775d65c95e325fad9dc9f0b0eb4bf0e1da
SSDEEP

768:gAs/nCZjdBFCQe6kDiQgOlBRLCXig8DEvz8lV4yD73YNR8+9n+UvGcZMAUjh6N9m:bZjRCQe/eKELXq9QnPSdodQrxyKLRom

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
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe
4564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 3320	4564	AcroRd32.exe	82
PID 4564 wrote to memory of 3320	4564	AcroRd32.exe	82
PID 4564 wrote to memory of 3320	4564	AcroRd32.exe	82
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 2920	3320	RdrCEF.exe	83
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84
PID 3320 wrote to memory of 3332	3320	RdrCEF.exe	84

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\21526bf2becfe6acdc590b14fc12ba50_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:4564
- 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:3320
- - 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=1C3A3615DDC36C6A6EC4D13F3E4FA717 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920
- - 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=4A9902474D037218A7C2B8FC90B4A67B --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=4A9902474D037218A7C2B8FC90B4A67B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3332
- - 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=A090801EB8538AF87013FE3A54895C93 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1068
- - 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=940ECF26D422E7F9F2C1F3046F61BCDD --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1188
- - 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=47D2A26CCD0D4E492FC50E90DB550262 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=E22665F3CB087C6A96917A6486336BA9 --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=E22665F3CB087C6A96917A6486336BA9 --renderer-client-id=7 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4408

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2788

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
59404ecd9e1261cad64ffe9b9ad6290b

SHA1
d275076ca7cf0fc25f26db1890f19d6a6842beeb

SHA256
0a59548daff5db13e205141c980a34c42b24ed47d0c378cb9d1616be99f47e3b

SHA512
4779dc580eb4ac21206d94c23a97097fa2946068aa6f7e411370212d922d04726656a5a71fdbce96d01bd9c572a733d8942bd3b1f5d258ce3735ced05f9fce6f

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