c1e995c8dd1836dab93df7b102a7513c013169d3eb39da7108659712e1adcee7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 10:45

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General

Target

b739e13101cefdbead1fb9cad7a395b8.pdf
Size

73KB
MD5

b739e13101cefdbead1fb9cad7a395b8
SHA1

3e869624178ea41ae66210c14c43c18275321fac
SHA256

c1e995c8dd1836dab93df7b102a7513c013169d3eb39da7108659712e1adcee7
SHA512

684f9f64d98ceddd851b81af605fddce09f93833a70662e7521f4aa58ec24238ad4fbe16365fe55584fb2982d5674fbdf7b9ee2635df74610a4a8c554b79a45f
SSDEEP

1536:DHrWw+XLNOc8VhmvDHHhvW3dvXieIML0olqCdVKIbWCwReVDEhXDrmWUpO7E+Q:nW57N7/HBvqByjM7lqEr9krx7a

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1588	2556	AcroRd32.exe	96
PID 2556 wrote to memory of 1588	2556	AcroRd32.exe	96
PID 2556 wrote to memory of 1588	2556	AcroRd32.exe	96
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3320	1588	RdrCEF.exe	97
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	RdrCEF.exe	98
PID 1588 wrote to memory of 3036	1588	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\b739e13101cefdbead1fb9cad7a395b8.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:2556
- 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:1588
- - 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=B54C25C506E599FD7059EA8ADBA80F98 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- - 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=360C96241EA942DC8272E5B72DB70811 --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=360C96241EA942DC8272E5B72DB70811 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3036
- - 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=7C9A0A7DCD2C8A66F030AFEF51BCB762 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=E02AB5C4139CF96D419E15B1765B8D59 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=65E3F4236770E5447A89AE1DADFE0FE5 --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=65E3F4236770E5447A89AE1DADFE0FE5 --renderer-client-id=6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1332
- - 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=5E053C701DDA37D110A4E2D2A1A16F87 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176

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
d65d5e1bfaba8f8fdf3beebe718bfeb4

SHA1
d2e5ce6c8459a4bc83d55f61e2c25e387f11a8cc

SHA256
14596f0ba5286279224b3135984078baf98c9c49a47e51139b9db0fcb31ea353

SHA512
b64d6af9fb359c95478e23146b5451158ff474021cafc263279cb85561cb125750cbac62f25ffa39e9067a17a2cfad4d70ffedd1f06c3e15ef54b65c8fb1cf8a

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