84953b58b2311566b93245d5c176fc52e76e5da97fc03af99f725561370fb6c6

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:37

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General

Target

25283728d2db31b560223fac620f271f.pdf
Size

81KB
MD5

25283728d2db31b560223fac620f271f
SHA1

26c06faa2de67b14c5b8a6c78a781bc6cbfd5e5d
SHA256

84953b58b2311566b93245d5c176fc52e76e5da97fc03af99f725561370fb6c6
SHA512

60a6e2a742558e23550a5321e03b2f2a89ac4d6ccde39beb9c5005d8a85bb2ca9bc29928e614548b0caca8b9e7274bbdd3082a7896fb1c4c8e000a71b09d641f
SSDEEP

1536:IVvCDaMjhGX7ktmk6iE15Z2WanlxH3uvw7j/5h3G0PHvFUkIWZa5UWwpOS6MW:MCeMjYXIg15ZyjH3QodxnOk45zS+

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 3652	4616	AcroRd32.exe	94
PID 4616 wrote to memory of 3652	4616	AcroRd32.exe	94
PID 4616 wrote to memory of 3652	4616	AcroRd32.exe	94
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2744	3652	RdrCEF.exe	95
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96
PID 3652 wrote to memory of 2540	3652	RdrCEF.exe	96

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\25283728d2db31b560223fac620f271f.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:4616
- 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:3652
- - 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=B558B600C1063D36843556935D245E42 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=F6073B4B6815C0BC8A7EDFFB4EEC6DEA --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=F6073B4B6815C0BC8A7EDFFB4EEC6DEA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2540
- - 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=DB0D6F350210FCBD46D4E523CD3278FE --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=DB0D6F350210FCBD46D4E523CD3278FE --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4624
- - 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=0841E791A7520382A6538A9D6D8415D5 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1100
- - 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=F80C21DEB9E2A29441C189A87D3719A6 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2112
- - 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=B28E7C26BB446E44430ABD4B6B6FDBF3 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3668

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
cefd6929361da913f465fe14897c4491

SHA1
ccc89f37c6a9c400d16364748c70fee2bcc3dae1

SHA256
91a1d8d2e389fa183577d17781c462bbd611c4416ea113b1f8464dba5b888bf3

SHA512
69dee9b1c49c065aca866e331770d3bcb3c68ef7483915f363c0db32ea84fd33a1db0e2a679abf957cb6043186c0f498b47d5b6b25e13e361538711d966f34c7

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