1e37c19bed73b9d362b10776f9c877060194a998f586e00b01b04fddb335e78e

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
22/12/2023, 13:36

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General

Target

a75459f3128ea030a8a811199585f603.pdf
Size

77KB
MD5

a75459f3128ea030a8a811199585f603
SHA1

03c7714ddb5cb87a95896e8ab71d3bbbfe101fea
SHA256

1e37c19bed73b9d362b10776f9c877060194a998f586e00b01b04fddb335e78e
SHA512

1456f1ab059ddf69771b9e3652c4878b3fd68de4eeac475b425defbcbd141d8b74f4f952015e22693419cf4bdbf4f02b7d1275450cd2e90c633f0ecfdf5db34a
SSDEEP

1536:UQO+lnwdAXve1oFjaQUAt9zYE910/MJuSfIWXxZ0OxG81:yMMAXvcoFjHUAtNXI/qyWXx2OxR

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5012	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe
5012	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 1392	5012	AcroRd32.exe	95
PID 5012 wrote to memory of 1392	5012	AcroRd32.exe	95
PID 5012 wrote to memory of 1392	5012	AcroRd32.exe	95
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 1164	1392	RdrCEF.exe	97
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98
PID 1392 wrote to memory of 4068	1392	RdrCEF.exe	98

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\a75459f3128ea030a8a811199585f603.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:5012
- 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:1392
- - 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=A71ADE559E30056188BE2A5F2395501F --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1164
- - 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=314F404F57B129A2C77A1AC28206D109 --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=314F404F57B129A2C77A1AC28206D109 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=B1EB2177D4CA0B90C10EB56F4845A1DB --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=38E66B3F839A5001ED5710A8F1AE253A --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=38E66B3F839A5001ED5710A8F1AE253A --renderer-client-id=5 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3280
- - 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=76021695C685CE98D1364974F7D0EBF5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=6187E3BA10CFFC23E2F4BB58228E7892 --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4228

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
9051f493a1c863abc6922c48cbe19301

SHA1
c63d3f3f501f79ab1df314e0d52d6c891fae9b33

SHA256
2c4bc63648009f574c62fe69c18714ab9728c8b12fae11f84ad844571963956a

SHA512
625efe90dcec0b0bed2bbd8fdea8790bc74413845ff91a58688a0141083a8735af16b19a83b0d16385ae1d9fe3a6fcf11460fcc79aaa1ff3dbda15f53a200922

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
memory/5012-26-0x000000000BBB0000-0x000000000BC00000-memory.dmp

Filesize
320KB

Download