5decfd289b6afdebc869fed20927ce80536c4d5c30006a8b71a6dabc8f20a002

Analysis

max time kernel
148s
max time network
155s
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 00:47

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General

Target

09020344ff667226d26c3d84506b51ac.pdf
Size

12KB
MD5

09020344ff667226d26c3d84506b51ac
SHA1

25844fec1e2fa685f236ea015bd62b51815672fd
SHA256

5decfd289b6afdebc869fed20927ce80536c4d5c30006a8b71a6dabc8f20a002
SHA512

b9944d8de49ab766af26fdfebef1ce39cb4485523e794d7380850974ef924e335602a8bd974523f0cf06406f4eeb59d1b1758356e07612e639b78619f820b517
SSDEEP

384:DLEMMLEtysyXqm5fA7dZOfA7dZ053W98pRPFOF++:Dg/gEU7dr7dI23

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 1972	3480	AcroRd32.exe	94
PID 3480 wrote to memory of 1972	3480	AcroRd32.exe	94
PID 3480 wrote to memory of 1972	3480	AcroRd32.exe	94
PID 3480 wrote to memory of 428	3480	AcroRd32.exe	95
PID 3480 wrote to memory of 428	3480	AcroRd32.exe	95
PID 3480 wrote to memory of 428	3480	AcroRd32.exe	95
PID 3480 wrote to memory of 3564	3480	AcroRd32.exe	100
PID 3480 wrote to memory of 3564	3480	AcroRd32.exe	100
PID 3480 wrote to memory of 3564	3480	AcroRd32.exe	100
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 3804	3564	RdrCEF.exe	103
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104
PID 3564 wrote to memory of 4420	3564	RdrCEF.exe	104

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\09020344ff667226d26c3d84506b51ac.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: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" --backgroundcolor=16514043
  2⤵
  PID:1972
- 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⤵
  PID:428
- 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:3564
- - 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=E17E3E5B048490E7EF79946D8FCD8FC9 --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=E17E3E5B048490E7EF79946D8FCD8FC9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3804
- - 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=A95145F864B96D87474362B1F2F3CE60 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=43B374968D4672C16A209E208846ED5A --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=43B374968D4672C16A209E208846ED5A --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4020
- - 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=AABE8B5181F9DEC23A6DDC184CF83353 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2916
- - 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=1621851A77E84E6E414699F0B334A80B --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252
- - 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=34472B1868CA67B76D5024B19E647EA6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
32623eab108fe0269091685a12979275

SHA1
e512645dabbfd7e105ecc06b86952bb34ea4b482

SHA256
b44d4c7a7e9c93b4ad47a592710b367fc836458be975cccee8c7a6e4566e8c28

SHA512
da1f80cbccde56fcea77e19d38f5e693acb680bc95000a45c593097b41adf319a7d4885f08f4c504928fa48c2707d6a049354d6d77dccbdc9bf252495622c192

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit