76e0f16e1225199132145e53fa9145627c565cd8d767b55118e62264edcb6db2

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 19:23

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General

Target

782f6145b8f404e44909c3eeb1f76c58.pdf
Size

45KB
MD5

782f6145b8f404e44909c3eeb1f76c58
SHA1

a98fe7037826925deb303e1896cc85f62fd2f4fb
SHA256

76e0f16e1225199132145e53fa9145627c565cd8d767b55118e62264edcb6db2
SHA512

43b40c4b8b2ae5754e00c6de0fa3ba75874d6aefedcad1db253b9cdfab01065ee270dd076b1bada7f8b610069ca1221d8076c90fdb7bd43e0275f8d9a7d5564f
SSDEEP

768:w/UlF6i9CxaxBgiQZ6wgz5BSq/fuLxvEnNbXMy88nhApgTKvMkWZ1YM6HwotvZ8Y:w/UlsiTxBJQZVgz5BSgfuLxvEnNbX08+

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
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3040	4688	AcroRd32.exe	91
PID 4688 wrote to memory of 3040	4688	AcroRd32.exe	91
PID 4688 wrote to memory of 3040	4688	AcroRd32.exe	91
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 768	3040	RdrCEF.exe	94
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95
PID 3040 wrote to memory of 4528	3040	RdrCEF.exe	95

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\782f6145b8f404e44909c3eeb1f76c58.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:4688
- 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:3040
- - 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=F3B43D6B3572B3D94DB393C1CE3C0062 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:768
- - 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=0231BCA87645892CB02EC201DCCD2965 --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=0231BCA87645892CB02EC201DCCD2965 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=BD6899270B73D5A31F17D84990D4B0DC --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=BD6899270B73D5A31F17D84990D4B0DC --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=E2951601D6DEDEA27EBA88F8DA29FEF4 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1596
- - 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=4D701C64633CA5689634993A7CD87DC5 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:932
- - 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=C118ADDB9997F6017682AC458A2B575E --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3412

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
c123ca4172a9bfa2a4643f51892daea2

SHA1
3d7dd6a9b4faa463ad235ccf722ffd429f0733e9

SHA256
b4f062a879bdb19397636a951408d0ac3d78faf80cc0ac37a3a346e1fed5b6c5

SHA512
dd222e5b5946601a21dc9f7fdb70ba5a48f73575973f339eb9f57f7e817c33f6460dba3feaa40e6c49c1fad40c41e17d804abdb8761516db317558984ec410db

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