4713cd54e3f99c4a3187fa5df537a59fedef1b81066b7520f0e6a92e3c635672

Analysis

max time kernel
191s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:50

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General

Target

Campus\Exe\GestCampus.pdf
Size

682KB
MD5

f9c661e9a1c382cac57343b6124a282a
SHA1

72c641c74107ba9883c8683ad4e6ce5edfede802
SHA256

b83ceb60d076c0568c666e581ca5d12de4db2adf6a333c778b80b3781228c0f6
SHA512

7497c07153162c7d57e16901f7981b88c3f147b274054a91798f49ff8bbc1cc890918afb677edeb8ecb240f65ccc6ea6bcf38e6076d271ee5c6af2033879ae4f
SSDEEP

12288:chT7baMcinqyJoLODSlRRwfo2+mm6hbm+9CiH2upBCEGSinxepw:ch3XH2LhRwAa7SMHBCEuxepw

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1176	3004	AcroRd32.exe	104
PID 3004 wrote to memory of 1176	3004	AcroRd32.exe	104
PID 3004 wrote to memory of 1176	3004	AcroRd32.exe	104
PID 3004 wrote to memory of 4740	3004	AcroRd32.exe	105
PID 3004 wrote to memory of 4740	3004	AcroRd32.exe	105
PID 3004 wrote to memory of 4740	3004	AcroRd32.exe	105
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4676	1176	RdrCEF.exe	106
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107
PID 1176 wrote to memory of 4380	1176	RdrCEF.exe	107

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\Campus\Exe\GestCampus.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:3004
- 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:1176
- - 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=BF5676C97D966D2EF4DDE6EEBF3C3B54 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4676
- - 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=58D55F4D228E3DC2BE30207C821745D4 --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=58D55F4D228E3DC2BE30207C821745D4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4380
- - 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=B348FA45E9D1FA6834F302968423B760 --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=B348FA45E9D1FA6834F302968423B760 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4432
- - 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=5EA3D772F2C184B148E5E6791C23FA5A --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=9B95F1A5DB3CB9B120BE18A649321624 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5000
- 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⤵
  PID:4740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:664

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

Loading Replay Monitor...

Downloads

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit