85188550841e9b3337970e46500487cc7e5c9d1bfce6b3facbde9ab816d56324

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 11:52

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General

Target

b4a289fbe2f4ebd2246f9f302998b3d6.pdf
Size

16KB
MD5

b4a289fbe2f4ebd2246f9f302998b3d6
SHA1

3d454288438d9f5df86f389b33d87dd491bd28b0
SHA256

85188550841e9b3337970e46500487cc7e5c9d1bfce6b3facbde9ab816d56324
SHA512

bdba9b20c2df1342981032621c44ecf72f5f0133ea2e81bf59ebbedb30e2ae78c5eafe93a03b0b6e2a6accd82258b9966c28829e7f9b702de7816c18441d216a
SSDEEP

384:4ONyCeewIjJiz/1pj4CCoAKT1syRnYzbraUF7feezi1Kikv:cCYNYEOi1Py

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe
4260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 4236	4260	AcroRd32.exe	94
PID 4260 wrote to memory of 4236	4260	AcroRd32.exe	94
PID 4260 wrote to memory of 4236	4260	AcroRd32.exe	94
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 2824	4236	RdrCEF.exe	97
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	RdrCEF.exe	98
PID 4236 wrote to memory of 632	4236	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\b4a289fbe2f4ebd2246f9f302998b3d6.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:4260
- 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:4236
- - 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=3F7B70C0C0567CCCCB5119C5812274F1 --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=3F7B70C0C0567CCCCB5119C5812274F1 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2824
- - 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=C96279B4FBDD71C6DC446042A70C87D9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:632
- - 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=82EDE5C81E4340731D9711DD66CAB125 --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=82EDE5C81E4340731D9711DD66CAB125 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3088
- - 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=A2317C5BFB7239582B7172010EA101DC --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3028
- - 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=DAA8756EE008FA4E47A86F58838B2692 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3464
- - 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=ECB2E38D93FE865AAFCBE87B315FA835 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:752

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
c5f0dd0e82eaf5f45870f30b52fa66ac

SHA1
8828e8496134a27b3c54d93a7d9295939ac0ae20

SHA256
1aa6b6a29c8a64069dcbbb8a62f223d58424a57323cb2ea5d0157b002e9df3f0

SHA512
c0c0c602c8113961272ccde2ef1568d00bf82522e0e3420b93a587d69bce060fdd9945d088540f0f3e8dc1aebcf7b90d437adb65f90eb39686bef3cd37c3c53b

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/4260-133-0x000000000A910000-0x000000000AA5D000-memory.dmp

Filesize
1.3MB

Download