be2819f59e0e341ee8c3b02afc8b0f654b82555791af45d90971417874617dae

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
25/12/2023, 22:38

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General

Target

40d460849835aa5d24a1879c3456de9e.pdf
Size

95KB
MD5

40d460849835aa5d24a1879c3456de9e
SHA1

7307d1eaaa663646df8d9af37fa64229af50ff84
SHA256

be2819f59e0e341ee8c3b02afc8b0f654b82555791af45d90971417874617dae
SHA512

38c92c629ddaeeb0bcc568e40fcab877c37087c0bcedfc63c0ee4271bf9f777b0d5c50353b494dd4764fae850d1ffd698f1c81e97e4f07e94d50cbb1735aa007
SSDEEP

1536:WCC7PNfII01Htn3xZ1mFh3i88f/qJGjaU/q7QygMOpmSSwZWbpONiWCpEffxC0:QShHt3X1Ah3i8y/qJGj0UygMOpmPwbN/

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 468	4208	AcroRd32.exe	91
PID 4208 wrote to memory of 468	4208	AcroRd32.exe	91
PID 4208 wrote to memory of 468	4208	AcroRd32.exe	91
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 1832	468	RdrCEF.exe	93
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92
PID 468 wrote to memory of 4780	468	RdrCEF.exe	92

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\40d460849835aa5d24a1879c3456de9e.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:4208
- 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:468
- - 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=6877EA1C461CCFED339DC4C405EBEB42 --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=6877EA1C461CCFED339DC4C405EBEB42 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=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=D9D8455D3001B4EEB83D3996EE925DB9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=E53AB4E45255CCDD40A6A7547CB572C2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644
- - 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=DDB6F25F7AA3F1A188861AC5A4CA7416 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1112
- - 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=8D392AD4796CB201BBCD3ADC88AB5057 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2984
- - 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=6499C7051B36E78396AA661AFE1B84A2 --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=6499C7051B36E78396AA661AFE1B84A2 --renderer-client-id=6 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5072

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
d3ffb181534abf833192801016085952

SHA1
dbeb22c1f90c389239c6a6a3b5f347b19e4c7dc2

SHA256
399465141be13e1df75fa0c3c65f7fb39b27eda9c3548922aed4e18a0629bd76

SHA512
9cdf0ff19a76550d0deda0b277dac6945bb7ca3ffcf7c8f7cc711491fbac1a9912778d000d843591b3cb0c15437533604c6951f0e29bbfdcd3bd3288e0b3ac9b

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit