8ede4c24cc54004526237ba3e9580d72018f75811d33106e7668edd69158c17d

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2023, 02:30

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General

Target

81961c10-3735-4181-af83-5857ee332557.pdf
Size

166KB
MD5

5dd46d7f090d7b4faf304af90f100867
SHA1

4c5b136722140bd5432f8415baf22b8a7125a76c
SHA256

8ede4c24cc54004526237ba3e9580d72018f75811d33106e7668edd69158c17d
SHA512

59f8a2172b8a4de7fa055fc755522e1323868315552be97b36b495d1433e99f3098254bf6f2d674b3ece9240c29e088c9f298ba86dc3e6326e0d9d0d332c9048
SSDEEP

3072:11RzbEiLb/9MRTV4q6ruD2Id2JY0Jf7hnaE/eIwSPTon8TVPWqZeMneaunlcxIgN:L+A9MRTVEamYM7hF27S7on8TVRZHnEnY

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-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 2296	3480	AcroRd32.exe	86
PID 3480 wrote to memory of 2296	3480	AcroRd32.exe	86
PID 3480 wrote to memory of 2296	3480	AcroRd32.exe	86
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 440	2296	RdrCEF.exe	88
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	RdrCEF.exe	89
PID 2296 wrote to memory of 1052	2296	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\81961c10-3735-4181-af83-5857ee332557.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3480
- 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:2296
- - 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=235016E157955EA0EF68DA199D6F9F31 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- - 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=190B7BEDF271760A5EF0BAA4AB6C32D3 --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=190B7BEDF271760A5EF0BAA4AB6C32D3 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1052
- - 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=A8F14D061E1C7BADA914F88FF10195AF --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=A8F14D061E1C7BADA914F88FF10195AF --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1480
- - 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=780E767EA1DD18A81188E4D5C7A23F24 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=81AADC7812897D85D4C5664D62CA6188 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796
- - 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=F5296E3E2A9A97A4E740D587AE30AC59 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4476

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

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Downloads

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

Filesize
64KB

MD5
4b20bf6ca8e9139c77c1208a749d33ad

SHA1
ba1f4ed5f52e9b1c1c0495f70cf41a224e2cae03

SHA256
4306c2443b0d98afce41e4389f758fd17bb6597491d8f951d2398ca895540c92

SHA512
065a8b1d8d0440608319ae128f7c1498d90bd86334c7f430bdc47e19d563b5f0496aee4f5380231ec4c2103e89c0ebe904f122560638f965e44739051e03f003

Download Submit