26c67420a508d2b2254f58749006c24e7ac71004e7977c8f8e1a55ef63ff6586

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:57

Sharing

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General

Target

026b1cb321940ce201ef586fd4ee9e3a.pdf
Size

86KB
MD5

026b1cb321940ce201ef586fd4ee9e3a
SHA1

ccdb4765550239d0847deb0d863bf872f098d11d
SHA256

26c67420a508d2b2254f58749006c24e7ac71004e7977c8f8e1a55ef63ff6586
SHA512

80112f44a05684f5db9480644e77f9290672232f16176511cdc1326eaecf0abdb9d901e8b815a90a0e5f5abc8ccffffc7784c86e31e1324fc9388073b0931f3e
SSDEEP

1536:/gu6I7T6XBjc9jmsLi/Debh+n6kexitnU/fWWuIFWypOlLXFDVyamd:c46OtmsLSNn6kMWnUXIIOlLXyz

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 3264	1452	AcroRd32.exe	93
PID 1452 wrote to memory of 3264	1452	AcroRd32.exe	93
PID 1452 wrote to memory of 3264	1452	AcroRd32.exe	93
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2436	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	RdrCEF.exe	94
PID 3264 wrote to memory of 4688	3264	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\026b1cb321940ce201ef586fd4ee9e3a.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:1452
- 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:3264
- - 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=E986D4CDFFB3A1F7FE6F810A2A113F10 --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=E986D4CDFFB3A1F7FE6F810A2A113F10 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4688
- - 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=AEFE481887D631D86A1A3BD2D2AB9E55 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2436
- - 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=BFD8C73E557E40FB81313642314D1397 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1608
- - 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=44F0E4D20DD8A61A7777F85B3A2AA94A --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:456
- - 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=7792F792249D731AF59403E85C58F33C --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4916
- - 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=574EBF2B4D46205A8D5FDC3ECBB094F1 --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=574EBF2B4D46205A8D5FDC3ECBB094F1 --renderer-client-id=7 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4772

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
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1452-28-0x000000000C1F0000-0x000000000C211000-memory.dmp

Filesize
132KB

Download