1383ea4d11d37502c5a6208f279d49ae77175dd6df9a7df939d45849101f48ad

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 03:18

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General

Target

b65f46113e9eec6ece19321239ac27a6.pdf
Size

34KB
MD5

b65f46113e9eec6ece19321239ac27a6
SHA1

8be90a3d5bebb724aa557429ac0391f1e065f54a
SHA256

1383ea4d11d37502c5a6208f279d49ae77175dd6df9a7df939d45849101f48ad
SHA512

fb2f4e0999e5a1c5018e394284e0e103f19d1e2e3ce8aaa7fe72949e4a124bf2b244069d101186a1332896164c889af5804d974b7bd209922971878f78bb249b
SSDEEP

768:I13kDXvATjC0y2dOBKQRobRV5NHy9bXoDKU5rCxT8Wq:FI3CYIIQwxw9cjWxT8Wq

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe
516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 220	516	AcroRd32.exe	98
PID 516 wrote to memory of 220	516	AcroRd32.exe	98
PID 516 wrote to memory of 220	516	AcroRd32.exe	98
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 4792	220	RdrCEF.exe	99
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100
PID 220 wrote to memory of 3440	220	RdrCEF.exe	100

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\b65f46113e9eec6ece19321239ac27a6.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:516
- 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:220
- - 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=19BBBEC231F95C8E54847DE404FD198C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=8B48CF2F3E0BA110ADEECB013255AED1 --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=8B48CF2F3E0BA110ADEECB013255AED1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3440
- - 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=DBF7978DBEE4A86E034FE1DC3FACE865 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=ECCBF55101D159F3E4E67EB399D45A86 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=9A58A5F0CD18AAE06CB1F4DA05568050 --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=9A58A5F0CD18AAE06CB1F4DA05568050 --renderer-client-id=6 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284
- - 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=7DC61C9FA09E0AD93367E03AE8A9522B --mojo-platform-channel-handle=2812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176

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
859c9320991a21e72bfcbe1592af9dfa

SHA1
14b03b8e34f009ce5800fd323d6e75c16f70f7b5

SHA256
e1c35c6d61d5bf30e232db978efc9d0340f639a5d0c7f81dd73692792044f722

SHA512
b3b7ed9840c8a1101cc4a4f63d392b57feccc91c83859ea4932848f9f7a3bd7ff640aa9502194653089a7b92a2cc1d5960507de7d31721387b35907eba6b5b40

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