197e6faae76dc4e23e63d07a16baa81bc47c81a0c015ff58759cca2df998953d

Analysis

max time kernel
179s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:22

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General

Target

Bv9ARM.pdf
Size

1.2MB
MD5

b16fdebd9486c552500862ae86c32f19
SHA1

534da49e9505d55b38e35ac154ecce8a1e1ddb4d
SHA256

cf36314a6bac89b6e99d0f2a794bc8548e6f44bc9305d76f79c5863e645cdf62
SHA512

6720fa31c5079f8699b689ac40f9b70d586940b2798d7a933e97aff152bfe38848b31020d15ec9116f62fdd21deed465b510c599559992681d1f801899bd0014
SSDEEP

24576:YsivDOFJSc7uKQBCjyjv3YFtFAMPDSf/+pN:XkcJSGqj/2NeK

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4900	4904	AcroRd32.exe	97
PID 4904 wrote to memory of 4900	4904	AcroRd32.exe	97
PID 4904 wrote to memory of 4900	4904	AcroRd32.exe	97
PID 4904 wrote to memory of 4316	4904	AcroRd32.exe	101
PID 4904 wrote to memory of 4316	4904	AcroRd32.exe	101
PID 4904 wrote to memory of 4316	4904	AcroRd32.exe	101
PID 4904 wrote to memory of 5064	4904	AcroRd32.exe	103
PID 4904 wrote to memory of 5064	4904	AcroRd32.exe	103
PID 4904 wrote to memory of 5064	4904	AcroRd32.exe	103
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 1628	5064	RdrCEF.exe	104
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105
PID 5064 wrote to memory of 532	5064	RdrCEF.exe	105

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:4904
- 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⤵
  PID:4900
- 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⤵
  PID:4316
- 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:5064
- - 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=85EE5EE6A0417CBFCDD85EB8E8657219 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628
- - 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=162C6E313137B7E37136BA81453082F6 --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=162C6E313137B7E37136BA81453082F6 --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:532
- - 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=4C213C2E5C179A235ED24977A8919D02 --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=4C213C2E5C179A235ED24977A8919D02 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=86B36DD4FA30081AEA3CFDD721B18555 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=A243FF06BE6FB84BB4D002F7970CB89F --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428
- - 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=E6DDF9C1D8731D9CA5A57054D977DB62 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4828

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
b556405810e712b0a6744144aab9c41a

SHA1
ea3d41c82d512020db9e9c6fb1b77e1d5f6bfb10

SHA256
9f2f02aad304d3cfa630dfac4979739f223516e124ba221502525b77924a0942

SHA512
21c726ca34e2de21936a80fe0b8fd9485ce3fb88048f4105075f7d407ee2b5dc3e20a233e6c4129b3a9ca43309d703dfb561366551f4041460104e81b084ba8b

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
b053b7e7e70e3663af96c2c41e815bac

SHA1
ab5253e47ed556be19bbe56b6a588ba27e799629

SHA256
b678c5386ba90063bc742fc8cdae25de9e93d2f61ce3bb1716ef34bb4ffb672b

SHA512
2512b4f18c76b0f1aa40f167ea455d40358988799e9a6ceab0fa9dfcbaaddd82c219efd5696e5005c4ad20db29a04a0847d10e59d31bf85561dc9a700979b6c4

Download Submit