b760df1e0e41884ec67aa54c9900fafb28e14a47f05fa52e8738d304e9bef293

Analysis

max time kernel
160s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:07

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General

Target

Bv9ARM.pdf
Size

1.2MB
MD5

41ad24a6438b86e4d655b6981017ef58
SHA1

bced3461fe192ec81888e735f86b23bcaf82fe83
SHA256

0c43bb8daebbfefd0c4b7c845f2a1f9e90d63c5c2ddcf40a666d60a87d2ec79b
SHA512

10f7c2a7fbf18e7396fa85ce04133488588dce785738e34a155c13704512d976d994b84153d0a9abcf4e2f4a74061e61744b0c6febf5922c4b74a0898ba358cc
SSDEEP

12288:WPfjI2LTiFzzaOWoQ0cdzaQW7QkTSpGyjVvKbh6Zz5qHql1S5V8IiAi/EVa5KjFG:uPioDOBJglJIHql1mi/Eakj/UpX

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 3492	2516	AcroRd32.exe	96
PID 2516 wrote to memory of 3492	2516	AcroRd32.exe	96
PID 2516 wrote to memory of 3492	2516	AcroRd32.exe	96
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 2424	3492	RdrCEF.exe	97
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	RdrCEF.exe	98
PID 3492 wrote to memory of 4752	3492	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\Bv9ARM.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:2516
- 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:3492
- - 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=EBF5F274832D475D52415574CEC1AB71 --mojo-platform-channel-handle=1616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2424
- - 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=2346FC557E5D1617B860DB74A9A214BA --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=2346FC557E5D1617B860DB74A9A214BA --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=69B496BCA8EEA66B7544ED95771DCC96 --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=69B496BCA8EEA66B7544ED95771DCC96 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4732
- - 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=AE7B9423FD4B715CB8E5A7BBEA068665 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612
- - 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=FEB5958DA7383687CC05476B80792072 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1260
- - 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=E64E82C526B4B7B32C14CDC9A617A949 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2636

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
9ec7fe41c522121823cbd8b67efbeed5

SHA1
c6b700c3d78baf8bfbf5b86d360db91aecaf2fa2

SHA256
601c22ae246d59173a03a526371113b7bba66d08d704cf1181b7dff7b1f7dd2c

SHA512
7ed9ad69254677cbd196938b30748f708be1768cd754778384da8492a7998f746dcaf4becc286a5e73f3ab10cf06a057989c77a6770be43259ec0ac48b5c8cbf

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/2516-133-0x000000000A9B0000-0x000000000AC5B000-memory.dmp

Filesize
2.7MB

Download