20a67674bcc3f904097a3a08cf28ed17a6d580d8cd57d27da19ed6a68839a13d

Analysis

max time kernel
155s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 09:05

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General

Target

NEAS.f72a76147d0fa975422360e839daf950_JC.pdf
Size

444KB
MD5

f72a76147d0fa975422360e839daf950
SHA1

1c1dc6861e160a473e880a395629c8105fb700f9
SHA256

20a67674bcc3f904097a3a08cf28ed17a6d580d8cd57d27da19ed6a68839a13d
SHA512

81841d839ac17637153c64584e8ac1760d3208a263148f6fc26f30bd7b2e3e2ee4556bb8288f1d3c965b012b324a30f40065be266c4cb93b4bc8f41ed074b761
SSDEEP

12288:vMDYNZN9RtSR+nThxLn897wF5Bso77aZrvVcp2:vMDYNZN9RthnT3n897wtCdWA

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe
3972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 2520	3972	AcroRd32.exe	92
PID 3972 wrote to memory of 2520	3972	AcroRd32.exe	92
PID 3972 wrote to memory of 2520	3972	AcroRd32.exe	92
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 3168	2520	RdrCEF.exe	94
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95
PID 2520 wrote to memory of 4828	2520	RdrCEF.exe	95

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\NEAS.f72a76147d0fa975422360e839daf950_JC.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:3972
- 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:2520
- - 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=7A9740D803EB5E21821FB63908C76114 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168
- - 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=B4E7E4F5B2EA98629D148B29FAA4D822 --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=B4E7E4F5B2EA98629D148B29FAA4D822 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4828
- - 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=4A6989E359AF382A5FC033BE96A3D54D --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=4A6989E359AF382A5FC033BE96A3D54D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:988
- - 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=CF6822E328E5BAD48499C00F2B4EB9A6 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=0B75DC8A8ADFB1DDA83CDD743115C0D2 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392
- - 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=FF7E6E1F4B9D2EB4D27F8725D4906EC0 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744

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
0fd11138fa34c218f4fa630292dd3fd9

SHA1
1bc1c6e243786b37ee348e8a7b77e98ca1adbd02

SHA256
12df4d02af0bf70552bcafc9fc7effd550b122357baa6143cf12e4288de27b76

SHA512
122acba2ca20b1859780f175fbbe6e98a2fb9d0c708fd86febf861db7f24d7b8dbb9ef9eb0089dad40059e74293d889251c8db55e936dbffd2fb5d98d6677ec6

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