28d225f1921a05eaba9d14d8f989c4c115ef5193240d089c636ce4bd863d4422

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 11:54

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General

Target

8a17350e8ab6f012eaa70aa1512023b1.pdf
Size

70KB
MD5

8a17350e8ab6f012eaa70aa1512023b1
SHA1

1576c0a709fb5f4de6052d5da465e8a8ee4546e0
SHA256

28d225f1921a05eaba9d14d8f989c4c115ef5193240d089c636ce4bd863d4422
SHA512

957d6a43338fb9e3820567a100bb04c0208e84094e2a3f9329af12a6b7c80cf09670f76fcfff9338d26554cc1da3a323b9f32e8c03cd4441c26d8038e544589a
SSDEEP

1536:YLDpJygsgjBkUi4ntZP8t13bVVSCjZ1r5dKHyQ:WpwekUnnU13bVE4ldKSQ

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1304	880	AcroRd32.exe	92
PID 880 wrote to memory of 1304	880	AcroRd32.exe	92
PID 880 wrote to memory of 1304	880	AcroRd32.exe	92
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 4224	1304	RdrCEF.exe	93
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94
PID 1304 wrote to memory of 1928	1304	RdrCEF.exe	94

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\8a17350e8ab6f012eaa70aa1512023b1.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:880
- 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:1304
- - 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=C3FC834F846D37B1AA761AD8D95A78B7 --mojo-platform-channel-handle=1724 --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=2AE0C6E663B6A48A2E9CF4D7CAB947C8 --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=2AE0C6E663B6A48A2E9CF4D7CAB947C8 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1928
- - 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=FE3EFAB58835F82F5A76C53940941CCB --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:536
- - 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=CE3236E85574C2ADA5D283FB3D2F8CAE --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=952132DC06CDFE2CEC4FA50BBA3783CE --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3136

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
fc74237278eb7c02fe873d8c81530c2b

SHA1
d2c8f54723428e143d4e4a10d6c8544fd2094cad

SHA256
4af946ce00b6b3640077efde90fdc8c2274d6d58d1e8a53682f523bd57326b66

SHA512
2a62de3151912f38dfcf8f8401946b718d849e6aba749b566918441ca5a5705f3c38a3b2dd482d89659efeae0124cc016d5bceb5bcc34beed66709909eb3be53

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