1d1b9eb896899586bb12f82f8d1eb46e0d47a968f6c8b9aa18e0b2bb25c14c54

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 03:50

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General

Target

0d7702c39b60998bc165db65ef50b8de.pdf
Size

34KB
MD5

0d7702c39b60998bc165db65ef50b8de
SHA1

18e4057fddfe91ba1f2fb068db506b5a01b812cd
SHA256

1d1b9eb896899586bb12f82f8d1eb46e0d47a968f6c8b9aa18e0b2bb25c14c54
SHA512

b81f53b46948304269a72395620e9fae0ab0168fbec7c304e5cfbce9805b8790809d05387097b886e15bfbbd17b2a022daa386b332e190c66294abdf8ec082aa
SSDEEP

768:23ssMq8LBSwCBnyA2kAlVKiFBTOtsMzIqW4DKSzjSGBK:2JMqQNoXSlVKKsbza4OojSGBK

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4276	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe
4276	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 1356	4276	AcroRd32.exe	96
PID 4276 wrote to memory of 1356	4276	AcroRd32.exe	96
PID 4276 wrote to memory of 1356	4276	AcroRd32.exe	96
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3776	1356	RdrCEF.exe	101
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102
PID 1356 wrote to memory of 3992	1356	RdrCEF.exe	102

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\0d7702c39b60998bc165db65ef50b8de.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:4276
- 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:1356
- - 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=26A3BD864D889F98B367F09F21ABB4ED --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=62FCA66BDBE5E4E3E082DA2951F17510 --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=62FCA66BDBE5E4E3E082DA2951F17510 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3992
- - 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=F81CB94013FBCBC520C202F432B8B795 --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=F81CB94013FBCBC520C202F432B8B795 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2168
- - 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=F9581485865AF23646938DDD395A012D --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1340
- - 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=AE1AE2FDB1B76188A61BB8478D97F4D0 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=7FF4AC6B219D38A760445AC5E671979B --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4844

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
b4dcff9ae4e80cf528f571c966d03ea7

SHA1
33f0f88051b095cd3e427cc2fa73f7e48c15815e

SHA256
012245b43e06acaee8543307c7fdfb27943ff6abe00a8022146bcd570d3d2cd9

SHA512
118483351f899731f3e9bdf09c1315bf80010d4b713edae25aae7a12c3408ea6c696cca4d0d916b977b3bd700cfcee4094b650a8c08e3e4ecb012cf88b58b0b1

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