0120f4db6bcfd6ab079c277858097e65882f66b9f6a12e49738cd982453dae58

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:03

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General

Target

20f8b18376ea67dfe65e653eea000fd5.pdf
Size

86KB
MD5

20f8b18376ea67dfe65e653eea000fd5
SHA1

f9a079ad54316ca651c2de14db1632d769b3e89d
SHA256

0120f4db6bcfd6ab079c277858097e65882f66b9f6a12e49738cd982453dae58
SHA512

e02f9f49d74b360a2fd313d603b30a7ab0bc2e1065dece832281d187c106d593950aa2f8c312286072107aa3925da28a578a46591e9b1d42f7a7b3f52ee662bf
SSDEEP

1536:RgPzcUnTI6X2/44f5qYKYCCRogTd2hxlsaKuftvIWHpOvdwM6Wx21e21LYcIKdU:Crs6X2/4A5RyeoAdObpKOt4vaM+e21Lk

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe
868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3512	868	AcroRd32.exe	95
PID 868 wrote to memory of 3512	868	AcroRd32.exe	95
PID 868 wrote to memory of 3512	868	AcroRd32.exe	95
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 3480	3512	RdrCEF.exe	96
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 2736	3512	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\20f8b18376ea67dfe65e653eea000fd5.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:868
- 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:3512
- - 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=97274401B527D8A9FB8FAEC5B6BBD1C6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=48BC5A30823D847B0F91EA4AFE22EABD --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=48BC5A30823D847B0F91EA4AFE22EABD --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2736
- - 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=78869F7AC21630F51C6CF4DBE66491E3 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=3C8C11D9C076FD82DB044DE541CEA8DF --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:532
- - 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=49DFE63D4085A161FA21C5E7C8AD9CA8 --mojo-platform-channel-handle=2296 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=7D6D36E3D08967D6CAD3970E6AE2EB8A --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=7D6D36E3D08967D6CAD3970E6AE2EB8A --renderer-client-id=7 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2304

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
70d135cee45e553848156204fc36ba3a

SHA1
ba11a58a7ebb1eeb53ae96abfc70ee3877e646d2

SHA256
5b56c7ce6b7619b912fbda16657d015459a531dd21e6316032f9ca62975d5428

SHA512
0c97e406849337696a13f29c12e69af1f8defee5771ae166c7d6c79648f0806be057180a83edbc75687115b6b50208fa7741afb5cf6c642c88ea3a8a3af32ddf

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