c8d9a82906d0233f230550578e4e074e6eb945d442f34ce0e759ae80e12468d7

Analysis

max time kernel
141s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2024, 17:40

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General

Target

6fe8a7a07d35d1b91885398d074c22f2.pdf
Size

86KB
MD5

6fe8a7a07d35d1b91885398d074c22f2
SHA1

dfc34b4d449f5ab3303f8598f52ad9c999761e45
SHA256

c8d9a82906d0233f230550578e4e074e6eb945d442f34ce0e759ae80e12468d7
SHA512

158c4102ee6589a2fa7c175016257ce425cf63be54fb7044a9ec408afe7c563b509687531c10b70198d78632a82614cc1f0363bbf1ab47d0a446acba3a4dc4e2
SSDEEP

384:B3vNi7q9XlCLkCKwoCsU51od0kNCRxCjwIMI7wI4CrSeqblZf5CCWNvCKMvl62bu:rH

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 732	3580	AcroRd32.exe	91
PID 3580 wrote to memory of 732	3580	AcroRd32.exe	91
PID 3580 wrote to memory of 732	3580	AcroRd32.exe	91
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2180	732	RdrCEF.exe	92
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93
PID 732 wrote to memory of 2800	732	RdrCEF.exe	93

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\6fe8a7a07d35d1b91885398d074c22f2.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:3580
- 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:732
- - 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=E4EBC88EF07BEE6CA2446D73F52112EC --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2180
- - 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=DB565E11A0AB38F71340978D225CE851 --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=DB565E11A0AB38F71340978D225CE851 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2800
- - 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=E110D15D8599C055EB6E2152625E254D --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=53A5978559EA8AD99CFE041BD9A82DDF --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=19B2F0C5DB605881FD06DD0A0D631B72 --mojo-platform-channel-handle=2248 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- - 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=81DC5E1FAC3C9374D2C91577F1C45408 --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=81DC5E1FAC3C9374D2C91577F1C45408 --renderer-client-id=8 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3940

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
b528810eb062dab8c61b0cc8758b343d

SHA1
2f3500744d41e5e0710e0ec1973fc0e1a190d30a

SHA256
153a40357dc3d56bf01840648fb67ab6badbfb33df8c85f08754679d93a6fa0d

SHA512
2e33b1b80e78b1d5104d2ea3236332ad6bcb35cc15ffb7e1becf472ac364106b981e83f2bf86294c95252b18c813970f00b95c4e1413219eb4b651dbae65596c

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