3f6c8d3ce8bd029876763a7c88e402a9fa975a6d268994ab8587d1a695d9bedb

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 12:56

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General

Target

1933308fda2f1a0023c4bb0d2cebd458.pdf
Size

24KB
MD5

1933308fda2f1a0023c4bb0d2cebd458
SHA1

e1e3859d85f12d160684b607e43f16263051e65d
SHA256

3f6c8d3ce8bd029876763a7c88e402a9fa975a6d268994ab8587d1a695d9bedb
SHA512

233e489a912bdc1cde15beea44166dbe67043d88de7f0d6fa15982dc8dae11e143f5dc84252ccdd8e32ea00390a5a2028dfbeafb027bd544a24057941b2e1168
SSDEEP

96:WEDsNyvV0c645vFB+OlybcxMFizBQoXMFizBQoo3KrOLJnVDceQj2KnSnZ1WjnYl:WysNAbl6yKyiYySmrukdbA49NP4X+

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
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 2816	3800	AcroRd32.exe	91
PID 3800 wrote to memory of 2816	3800	AcroRd32.exe	91
PID 3800 wrote to memory of 2816	3800	AcroRd32.exe	91
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 5084	2816	RdrCEF.exe	92
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	RdrCEF.exe	93
PID 2816 wrote to memory of 2524	2816	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\1933308fda2f1a0023c4bb0d2cebd458.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:3800
- 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:2816
- - 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=1ED36020D807C924C424821A3087ED14 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=D7AF2DB0F592FC823529E5C731BC231E --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=D7AF2DB0F592FC823529E5C731BC231E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=841DE582E7E4CD50555C396A67F5B0B6 --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=841DE582E7E4CD50555C396A67F5B0B6 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:384
- - 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=85B1E0C01C8F0AF6A384DA633931C2C1 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3016
- - 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=3DC0F105EE60EEFFD162408A20B30009 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=0FDD6530ADBA4D36036A74B3B3ED4CF9 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2244

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4352

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
efa16955cdc1db7f2336e5a0702f2f8a

SHA1
b510c5242d240ac127b15800f302cd077dc68bb4

SHA256
99dacaff2c2565e69220921ec5a296e5d92574dc895629a8fa1adaf967d839dd

SHA512
014a3e9b7608de65904119583ca0a102c8f5395e62e443f328323e7a7a77fa3cbff9737260b0a8e4fdccd9dc5ed761ad4e2692170f2ff7ea383ac1c906778e38

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