85121a8050d5f5357d68dec169807b5dd3313dd620f1ca648015878b7442638d

Analysis

max time kernel
153s
max time network
162s
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, 00:29

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General

Target

089c40e34aaaf3061f045b3618025089.pdf
Size

99KB
MD5

089c40e34aaaf3061f045b3618025089
SHA1

3c8e9f567adab20bb47ea311c7e421f20cb37c60
SHA256

85121a8050d5f5357d68dec169807b5dd3313dd620f1ca648015878b7442638d
SHA512

a04f60be35df91866fa0942a128658feb333faef4d455230e19b63646988295906790c535aa89b6f09afac66af193ceb42d50555dc4531a04db3da91e8f1424e
SSDEEP

1536:M6kZ65df1t7UI6tYyuPGrN3iRNtOL9zSrlZj/pZBwAExFozHwonGgrBNa4WBcbJ/:VkUPVby/rNS3m9zSrLpR1rBNNN0D5QRf

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 404	3100	AcroRd32.exe	94
PID 3100 wrote to memory of 404	3100	AcroRd32.exe	94
PID 3100 wrote to memory of 404	3100	AcroRd32.exe	94
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 868	404	RdrCEF.exe	96
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	RdrCEF.exe	97
PID 404 wrote to memory of 2552	404	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\089c40e34aaaf3061f045b3618025089.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:3100
- 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:404
- - 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=12E6425337C70513D6439EBABD33EF6B --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=6EBBC2E9EF73BBCAD7985932F27BA86D --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=6EBBC2E9EF73BBCAD7985932F27BA86D --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2552
- - 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=B50CC2859EB952E03DFECA0F424E79B0 --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=B50CC2859EB952E03DFECA0F424E79B0 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=C8468711CE328D09A55E3234188B64DC --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=621F4201099D1208FB85F35101C5D338 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1684
- - 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=16E76D96CCF1E80E8BA207FA1CCCA717 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2096

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
ea2b2f23da8a9f180fbc04db76c5ddac

SHA1
27c67f969f1bd4c03f9aca05888531d9a6060884

SHA256
85200caa4123cf8313f6d305db79004ec85dab2d7818e602d88b5002f815fbca

SHA512
a98205bf98f0e172f20c02fb9a9aed967f323a43ed024de3f23d608c7b7ada059a058da43ec0677179240ec7683a2e2a9204eb86913e8992841beacb5404146e

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