5d7e91b0ddbdae149cc9c7ae5bcea96923bd6297395c92ad57840f4e843eaf09

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 17:25

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General

Target

c3ef2ffa9e5eabf3791b204321f8e356.pdf
Size

65KB
MD5

c3ef2ffa9e5eabf3791b204321f8e356
SHA1

17a2c2a27acbe91ada77442b210b8a0cc2c89e2b
SHA256

5d7e91b0ddbdae149cc9c7ae5bcea96923bd6297395c92ad57840f4e843eaf09
SHA512

1d2cbef9ace92f54026584936afba740769b2bef2dbdcc4b4b3ec4ea54b6da97c8a7af9a3b1e2fa18cd9f933eb998523878da2427c9c74087c7345f23481cac2
SSDEEP

1536:72UygSEBpGI+M3QXfYcI8DNaaYIZbEXU3MymeZcN15qO:jXBpGIt3QAj8DcaY4W+6N1B

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 3144	3688	AcroRd32.exe	91
PID 3688 wrote to memory of 3144	3688	AcroRd32.exe	91
PID 3688 wrote to memory of 3144	3688	AcroRd32.exe	91
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 2120	3144	RdrCEF.exe	92
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 3480	3144	RdrCEF.exe	93

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\c3ef2ffa9e5eabf3791b204321f8e356.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:3688
- 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:3144
- - 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=8661824DCA61917AD3A585E0510B300F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2120
- - 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=C964634059738CDF65423AF8A4A65B8A --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=C964634059738CDF65423AF8A4A65B8A --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    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=2E503D70F6E5E9AC815371541A3477F3 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=16E1E48B174376FF5A297B3498B6C532 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=766483E7293A8BB2D8AFC613E8C25563 --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=766483E7293A8BB2D8AFC613E8C25563 --renderer-client-id=6 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=0F2A49C20C45B541636F238BE1BD3164 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076

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
4159b9157425d88b762bc4d39a725598

SHA1
8c499ae93773deeb3e1c5076c490453be6ffe7e9

SHA256
05ea57b332d9c1a74a74105e73d87dce171bacaaf88a54886ea6153f672b8a7f

SHA512
02343a80ce2c8a3d06071a894e0bbb55830fd5c76115cab9dd92f475cb08b1b79f839d61fe3f3a8071a24fc68b1d2ee7f4690b486605033d0d7b450f0afb4e61

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