1075ca4121d7932b65ff5a72b3d4738b7361070a90637027e7ce97b0e6d87f40

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2023, 17:20

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General

Target

NEAS.246416218505965ca07f61defdb69ee0_JC.pdf
Size

394KB
MD5

246416218505965ca07f61defdb69ee0
SHA1

d4bcea3ffc06452e9db4ad8404069f0b054c41bb
SHA256

1075ca4121d7932b65ff5a72b3d4738b7361070a90637027e7ce97b0e6d87f40
SHA512

51788041442dd0c1400fe38699a8f77a0510590a5d8665d49df20373ce6c32dc01a46ac7bf6484e8fd702a28a1c0908574d8e1e88c2750177047ba65b31ae38a
SSDEEP

6144:xT+HWQPUj7m1GVT+qKTp3lCvaxqQ965lPeKo5IAw3Wv54l7AqPClrSLZ8p7:Y2kU3N+zl3lClg6PD+0GBmxsmd8p7

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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe
524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 2692	524	AcroRd32.exe	84
PID 524 wrote to memory of 2692	524	AcroRd32.exe	84
PID 524 wrote to memory of 2692	524	AcroRd32.exe	84
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2944	2692	RdrCEF.exe	85
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86
PID 2692 wrote to memory of 2016	2692	RdrCEF.exe	86

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.246416218505965ca07f61defdb69ee0_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:524
- 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:2692
- - 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=A01C55C0F2C6A3D37AD733F7F75126D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=AB8579ED3F750AB2B359FCFC751B079A --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=AB8579ED3F750AB2B359FCFC751B079A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=88FE90689CFC241924AADF0DF5E08FAC --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=482B5CDC999BBE16941C3CF02E1C7997 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=E73143B6EE063B3099E194FF28EA47B6 --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=E73143B6EE063B3099E194FF28EA47B6 --renderer-client-id=6 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2648
- - 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=A59F15C323023A311E4BCECE76C2431A --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112

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
7791dd7a9ef46babe1779ce679365e97

SHA1
a4dc6bc251581bb1ee82ad133971ada915172e8a

SHA256
56c7d6ec88f4c4ef78e19447684aed408b70b906442bb87b627db271ebfe52e0

SHA512
14e343f09dce80573129016856e2cbb34551a4ec3dda45749e07aff9d403134e3415c33f00fe984c92b9dc8b35e86d1fa7d9ce36c4e3332fad69fb502843d3af

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