79d64201ddcca3728a48c2f20b7cfcf5b97bc3331a4f042834d2dff686712c7e

Analysis

max time kernel
134s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 21:19

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General

Target

38798f1fd5b130e2b16e32b9836f2f00_NEIKI.pdf
Size

102KB
MD5

38798f1fd5b130e2b16e32b9836f2f00
SHA1

30ac38f6c41a5088e52bc35c0d527d057dabb9fc
SHA256

79d64201ddcca3728a48c2f20b7cfcf5b97bc3331a4f042834d2dff686712c7e
SHA512

5e1e7c63e076072ee271530688c32f0880051416a491eefb7ea2f4a9379ae59d3b20a5acf65009e9645ba5c014be4bbfe55fdeb133b88422b9fa23db028a083e
SSDEEP

768:lsspc9XAjeMe5p24BWlQgXBsNqHNlVong+1V5p2kwsffz5p21NHw5p2zaXrLmXr8:lsszjenbJB8+bdwsfbbENQb+o

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-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 2436	4696	AcroRd32.exe	92
PID 4696 wrote to memory of 2436	4696	AcroRd32.exe	92
PID 4696 wrote to memory of 2436	4696	AcroRd32.exe	92
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 1008	2436	RdrCEF.exe	93
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94
PID 2436 wrote to memory of 4212	2436	RdrCEF.exe	94

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\38798f1fd5b130e2b16e32b9836f2f00_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:4696
- 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:2436
- - 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=128268304D6CBEC80A2C818579D8E05F --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=2982C0CC081B8967093AC1474904AE34 --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=2982C0CC081B8967093AC1474904AE34 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4212
- - 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=68025AA7DC54C8C240FFF6434E1EB5C1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- - 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=13741C0B2FF9DB05EA52BAEEA6676CF0 --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=13741C0B2FF9DB05EA52BAEEA6676CF0 --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=5630C6741F1310F54DCB173B46ED74A9 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1700
- - 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=AA67C7FE34B63DCEEC52672FB786478C --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:228

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
092901c32df2402fb8d6be92e4b53b20

SHA1
1fccc33a50401c2e4e88fd5fd69c9eadbc6bafdc

SHA256
0a19af22212ce2862742344c84778fc22ae03ecfc65803f5755c2065e1b95520

SHA512
e21da7e4f4e50607e5eaf5e7413d51031c211b3404afe275cb3e6b7d86f988444282ba053fbca4818515f1d41fbcf6669fffeeea7eba2830af7adcc7ee7de247

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