3c9f5c946d341e2dcf3107d2fafd4efe862b47f18671ddc1aaef2502a5a42b20

Analysis

max time kernel
145s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-03-2024 01:08

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General

Target

d7897604b92722e318616941cd77bfc7.pdf
Size

85KB
MD5

d7897604b92722e318616941cd77bfc7
SHA1

7b34fb70cb2c3bff08eacadc7c89cb79ffcac35c
SHA256

3c9f5c946d341e2dcf3107d2fafd4efe862b47f18671ddc1aaef2502a5a42b20
SHA512

794b1da84ae6132443a99996a6d485d42f9aab13854093df9f6e64f3feb2c1e3a9162312ec64e5f7937ae2611659bb4b2784abdc8f432773d2e6ed4639ab9a73
SSDEEP

1536:1uHOUfJB9j3cqO+OFUg04lNqRk+X+yGJer1f21PRQG1nvrfvWepOiCW4t6l2Qc8r:UfXOF847a+ySuf2hRQG1QixDcY

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe
4464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 3240	4464	AcroRd32.exe	94
PID 4464 wrote to memory of 3240	4464	AcroRd32.exe	94
PID 4464 wrote to memory of 3240	4464	AcroRd32.exe	94
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 432	3240	RdrCEF.exe	97
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 2920	3240	RdrCEF.exe	98

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\d7897604b92722e318616941cd77bfc7.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:4464
- 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:3240
- - 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=32EBF6E342574A85DBF7F14752E8D9CD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432
- - 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=1E98FE5FE19715BD57CA9CA883C55B7B --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=1E98FE5FE19715BD57CA9CA883C55B7B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2920
- - 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=CDE68774D47F41F6312883900F303E0C --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888
- - 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=F96DF27E72FA9F36EBC4F398A433CB96 --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=F96DF27E72FA9F36EBC4F398A433CB96 --renderer-client-id=5 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1744
- - 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=035B8358534DC2A5318A86C4360AA0B9 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=31965EF79CAD73107FD3204EB455F553 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4652

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
94050714309a11de03cb94ed27ca22ad

SHA1
3ed567ab43389940e22739c392682430122078b1

SHA256
f66666b9686ab5ec7fd8aec4794ce7ae1e27481474ca8508c99a67dbaac1d1d7

SHA512
cb280096f84f30b5bee6193423688c03ea5392627081e1cd9e9dd786ef9f85d2b40e8529d0a1f348893b5200bf1c426b3d7e219d4f0946b03507ad8d44b6a3d8

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