aa7f7e51dcb3bbd86684b519fdeb58aba785adf62bc5efab732cf62abb2e5893

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 19:39

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General

Target

516e1a3fc5eb53ea1f8c5624c5ee724b.pdf
Size

115KB
MD5

516e1a3fc5eb53ea1f8c5624c5ee724b
SHA1

7441b9651ec282e605b46971aa11630dce813329
SHA256

aa7f7e51dcb3bbd86684b519fdeb58aba785adf62bc5efab732cf62abb2e5893
SHA512

ce3f22c8e398a0445891bbc56e132fc228dfc1ef0647a8d98f20bcdaf033ebdcb5d47b9f8d78aeca76120e01ec2973f2d1ec1e8cc69d3f4aebc07a525de5c31f
SSDEEP

3072:b5+MHoitFw2zfxZKZ3fogCIfRTxZEaZPP+:tTHFHP7xEZP5fRTxf2

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2164	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1928	2164	AcroRd32.exe	94
PID 2164 wrote to memory of 1928	2164	AcroRd32.exe	94
PID 2164 wrote to memory of 1928	2164	AcroRd32.exe	94
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 3052	1928	RdrCEF.exe	95
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96
PID 1928 wrote to memory of 1880	1928	RdrCEF.exe	96

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\516e1a3fc5eb53ea1f8c5624c5ee724b.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:2164
- 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:1928
- - 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=085C92E8BACB5DA6A6AE4814BD972B65 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052
- - 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=81A39550E4ECD68B2F3F91CD7631ACC2 --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=81A39550E4ECD68B2F3F91CD7631ACC2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1880
- - 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=A4FF17C6876C2A8BFCDC98B01C18B2BE --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=A4FF17C6876C2A8BFCDC98B01C18B2BE --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4536
- - 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=BE38AE729BAFD20FB332AB2BEFDB4BCF --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:380
- - 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=A4405BF2ED29B990F69E97397550E68F --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2528
- - 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=DBFF644F664A786B30861362F3C52FCC --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1896

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
c61c0b59952bf8ac653acb94955fcf6d

SHA1
5b08ca19b1a3dbee1abe278bfec8b3158ef57ea4

SHA256
f73393f8f544705ee7ffcc69bd5361cdd52c37e3e4e8584eb17d8b7cd2cf118e

SHA512
fc2f01b7396839b29edd9f28175f2e8535d5c1f939c827d03c1421a8b1f1e923178823d9976d5539ff0f57e419ea3bdcada67a878138cf307e6c5aab8d4e0acc

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