178f4b149bbc6426c6d5aa0b879a45785459830baae13965ad3faed40c7fe53c

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2023, 17:58

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General

Target

attachment-1.pdf
Size

68KB
MD5

2b3be1eb3d7b6138267adbc5b8b2aa1a
SHA1

82a9779df2f99035471517f003e2c2f8d0efdf84
SHA256

0b3d3c4ec597fcf198f191a4e38ad41daa5f03fdf70e5afb487b9058e900463c
SHA512

5186ab36ea16231ff3fbe5bad3593dfc4c66eba89a132440719fc07bcfd6d9291a3a7e9fdfa48d133a64700a53a525ee21824a8514b76412b0952d45593b52fb
SSDEEP

768:g1kZ6dZJR6wIwwMg6g+/fe2ewMerePQu/WEbFMkD3yhJAxZOjSSHcKds+Afsz3bC:g18IJeCyXvc0

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2768	2576	AcroRd32.exe	87
PID 2576 wrote to memory of 2768	2576	AcroRd32.exe	87
PID 2576 wrote to memory of 2768	2576	AcroRd32.exe	87
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2220	2768	RdrCEF.exe	88
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89
PID 2768 wrote to memory of 2584	2768	RdrCEF.exe	89

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\attachment-1.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2576
- 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:2768
- - 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=CB0D20A1F1C601E0A6986B2791192C0B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2220
- - 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=8D9A30D978E7746F62BAE01E4F90C0B3 --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=8D9A30D978E7746F62BAE01E4F90C0B3 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2584
- - 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=510107F2BD0340E315AE00F499759A0F --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=510107F2BD0340E315AE00F499759A0F --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2376
- - 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=30F30A27D34E4D0CA48F9BBBF5FAD241 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:492
- - 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=898FC7CA8E3C94E9E1F27DA6AFA4A9D2 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=063057C01BE185D647276166333E11DC --mojo-platform-channel-handle=2928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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
bc5ac6e85c5ec0098cf71e3e8daa8049

SHA1
42103f014353a49a0af0f0c32c510fbc4ace8c3c

SHA256
7c2b68fb894a5d7c5cccb1a7b3747b03fdbd5c94c7a0d2c4d7d2d8dd4d68765d

SHA512
487b733a32f2a57d54dd76f82a10955f82b374b4bf253373a9c8efd0ca21cc645138bcc1aa47ae874c0d149bc83c7700e2dbe7bb325950c2aae36ad904ceb87e

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