4a253a5f8d9ea1bab4ece1e06e60cc58bf08a7c19efb6e9518ad1ddc18e57fe9

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 13:19

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General

Target

c3775f7832d61297938d7265472a46db.pdf
Size

99KB
MD5

c3775f7832d61297938d7265472a46db
SHA1

152b12ea86a593d0a45d33f132b3bd051510d3b7
SHA256

4a253a5f8d9ea1bab4ece1e06e60cc58bf08a7c19efb6e9518ad1ddc18e57fe9
SHA512

828a9ff9c29c2869013c5490ee29c3321327859e35a04d23c2f8dccaa5ee4d3e76c90d25ad164f02e35d55a56dad238dfdf557001655b0c833ae03867ceab319
SSDEEP

3072:wQkMVcZS1tFddJ0J4zVfZ/ufVjJthc2kI:uM+ydbufVlX

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 1972	3992	AcroRd32.exe	86
PID 3992 wrote to memory of 1972	3992	AcroRd32.exe	86
PID 3992 wrote to memory of 1972	3992	AcroRd32.exe	86
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 4436	1972	RdrCEF.exe	87
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88
PID 1972 wrote to memory of 2280	1972	RdrCEF.exe	88

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\c3775f7832d61297938d7265472a46db.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:3992
- 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:1972
- - 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=506CE9B266494B8ECB0C3BC2ABFEFA8B --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=9E617AC6B4EC4C0F90EDC7EE18633C08 --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=9E617AC6B4EC4C0F90EDC7EE18633C08 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2280
- - 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=C8771A477EE69DAF7B30504F383F54CE --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4224
- - 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=7EEC7BE782B37B1814FDD431E0419E14 --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=7EEC7BE782B37B1814FDD431E0419E14 --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3740
- - 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=5B3291388AADC95397810E4F04F21C67 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=706E36602C2213A179B5A5CDF279B039 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1988

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
0165b93f483b4b430ce20b595b91adb3

SHA1
626ddba54156053089a286e8798d462f2aac7132

SHA256
e48d980c553f8b4407c47ed421b709845a9489bfc8f943f8bdb9daca7f03eb00

SHA512
4c92ef122c9e6049f6e74b6872b03b11c9555f6f42d1eac63736f9c6f62742e4b0ce6a79f135ec1aa426ead51b1e7ce0c941525758bb96d187e98ad8c8a0560a

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