7e39799f694d3db7df5c1f724a8f2c4bae095c060bbfe16449c78457610e8211

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 19:49

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General

Target

16dbe2fa5c7cf9740992ddd8ed3e5550_NEIKI.pdf
Size

134KB
MD5

16dbe2fa5c7cf9740992ddd8ed3e5550
SHA1

6216a10bf4ee0d7d1806bc2fd713a15289ffa773
SHA256

7e39799f694d3db7df5c1f724a8f2c4bae095c060bbfe16449c78457610e8211
SHA512

eae40f2f54c00728e3faaaa7584a0d504793ecbe8ee58025e2b7e79bf9d0d26099faa9983cd390872cb3ce11e7e8efccf38e7c18cf47feda0bd81ed52407e2d7
SSDEEP

3072:RuDtXVPO9MOBKs+R1OVB5w1luAjLBBmmvIsXJArTGAVA4F:RuDtAOaKs0bfI8ArTA4F

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 4492	4504	AcroRd32.exe	91
PID 4504 wrote to memory of 4492	4504	AcroRd32.exe	91
PID 4504 wrote to memory of 4492	4504	AcroRd32.exe	91
PID 4504 wrote to memory of 3944	4504	AcroRd32.exe	94
PID 4504 wrote to memory of 3944	4504	AcroRd32.exe	94
PID 4504 wrote to memory of 3944	4504	AcroRd32.exe	94
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 3744	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97
PID 4492 wrote to memory of 1324	4492	RdrCEF.exe	97

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\16dbe2fa5c7cf9740992ddd8ed3e5550_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:4504
- 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:4492
- - 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=1BBEC00DB4705D0BBAD537DB5B8803DB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=D41CA124ACC395D48B373A94F73A2F49 --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=D41CA124ACC395D48B373A94F73A2F49 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1324
- - 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=2B18672225D6949031CA0B440C683656 --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=2B18672225D6949031CA0B440C683656 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3864
- - 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=4EB7CB333020FA3BA53F77DDA1CB846B --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=41D0FB3DB5BB1D894B16783C292C88CE --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=16943C942FAF03758A110BAE0D4C520F --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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" --backgroundcolor=16514043
  2⤵
  PID:3944

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1796

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:1528

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
b9ac2ac39ef86623d41933a938665ecc

SHA1
7f488b8a23b8f78dd07ae00fe59cd4adb05fa8e6

SHA256
e069eb48e54dd64e35a1efbbaf9acac44a04de221bff864b8fd87c2b8a13eb63

SHA512
5e7651f3adfd37a1496805f05e933e9768ff2c0db3b1a377ef7a09ee3588b89dfe3950395ea0b6faca60904c097d437a13981f3b4fc4dfb6195a158ecef24771

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/4504-128-0x000000000B200000-0x000000000B22A000-memory.dmp

Filesize
168KB

Download