90fd9ec88eeb1f18c7b162d273f60ef0d1e97178787921dfbf1f1b76ada2dfe5

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:15

Sharing

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General

Target

02c912d6e8303fcddf3b227f107e3333.pdf
Size

84KB
MD5

02c912d6e8303fcddf3b227f107e3333
SHA1

3458dea59fa3aefa5aa4a5e6e88252b62bec7717
SHA256

90fd9ec88eeb1f18c7b162d273f60ef0d1e97178787921dfbf1f1b76ada2dfe5
SHA512

545bdddbbe8014a8857d3798f876392be053b1af399a94b4b708274f9a9700785241b442240d1f84b5cfc9cdffe28b64e5320d01ce843c09e0c7d17650e77364
SSDEEP

1536:I7YWHHR0KxbNnBuw8ymcs3ynUdcuv8i3WwZzmBIQs010NbCRTpaJBWmY3HZRWUpJ:VTKxbJB7luyUv8IQs0uJjgZU7e

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe
4720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 224	4720	AcroRd32.exe	89
PID 4720 wrote to memory of 224	4720	AcroRd32.exe	89
PID 4720 wrote to memory of 224	4720	AcroRd32.exe	89
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 1784	224	RdrCEF.exe	90
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91
PID 224 wrote to memory of 4364	224	RdrCEF.exe	91

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\02c912d6e8303fcddf3b227f107e3333.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:4720
- 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:224
- - 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=93F46016110BE438456330AFEC355AF1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784
- - 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=6F4D5A28F11E12C854E0A19460857059 --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=6F4D5A28F11E12C854E0A19460857059 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4364
- - 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=0CB3085870B8774D0F6576B00C1288DD --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560
- - 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=8D414ABF2B8D4B8FCC2A399A4BCAA1A2 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=9747E0428BE225850C6D55EE2ABA4C69 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=0A203CCA6B1B6EA4C4A2B1093F11A36E --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=0A203CCA6B1B6EA4C4A2B1093F11A36E --renderer-client-id=7 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1880

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
d3fbadd2aed6ce13895b1d9dd68c9b6d

SHA1
ace600ea0d38bf01ba561f245f231a691d9b645a

SHA256
7dafaf0b6bbb75468340daa98c3af037f3fffea79f27fa285ba29813c4caf6d1

SHA512
f12720e136bc06f9d8b8d509ee15db4a597a95da309adc14a3ec8b031452f4998f0d27601f1304c70bd930906ae3380c1e274129da1caa0f3e3ddcffdc79668f

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
memory/4720-26-0x000000000B9C0000-0x000000000BA10000-memory.dmp

Filesize
320KB

Download