16c9595b9ae0468a507d281d03be86abb3a185e309ed1e18c98bbeec6c553033

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 18:14

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General

Target

5727c95036bc02d40999d8851e27929f.pdf
Size

12KB
MD5

5727c95036bc02d40999d8851e27929f
SHA1

3efb6b2afa24157c631e40bd0692c59d9f0e697c
SHA256

16c9595b9ae0468a507d281d03be86abb3a185e309ed1e18c98bbeec6c553033
SHA512

474f627e815a19cb881284be779a7dffbc725db0b0295feb100b47f8c7a1592dbaa62dba009241f2c444cc518474aba2c8cfb61bd0e1e495eb1ccb0f2b311fee
SSDEEP

384:DLEMMLEtysyQzfG7vfG7NUfTCcs98pRPFOF++:Dg/g9zO7vO78+3

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 1672	1372	AcroRd32.exe	95
PID 1372 wrote to memory of 1672	1372	AcroRd32.exe	95
PID 1372 wrote to memory of 1672	1372	AcroRd32.exe	95
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 2512	1672	RdrCEF.exe	97
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96
PID 1672 wrote to memory of 1480	1672	RdrCEF.exe	96

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\5727c95036bc02d40999d8851e27929f.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:1372
- 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:1672
- - 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=7423B37B88EBF03641760E5C7B952BB5 --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=7423B37B88EBF03641760E5C7B952BB5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=8787BBAE216EA2E06F62E081C7DB7E27 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=CB1F16AFAFA9284306EFF5B16991C9A6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4616
- - 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=43FCC0CD8021D582EDD3C49F6BE406B2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2248
- - 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=982438A669532AD811A1EF7D71F684E2 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=4AB9E9DB3D70588509BB05C351B27DA9 --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=4AB9E9DB3D70588509BB05C351B27DA9 --renderer-client-id=8 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2444

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
64KB

MD5
ba9fc8e3cd024250dcaa7178ed2a0f86

SHA1
a01a45aacb913e6dbcfc1f3ebce84a9a35d2ff83

SHA256
3a83a1ee99346b667b9438e2e6dcf5b05d75a406ea21a5d3c4bb6295b9a72b93

SHA512
ca47bd683f6b53e2e5852546df42cc3cf3273c64fa061ed37698e98d8fe0040a2cbf642bcf0dd03840a617d9fa58bb135ef6b2f53062451e3d354af19293ce2c

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