6946119631f1e981dd1b0ef5e6cf0f6f3e5286f3f4a5184224867689ab495226

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 23:02

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General

Target

6946119631f1e981dd1b0ef5e6cf0f6f3e5286f3f4a5184224867689ab495226.pdf
Size

698KB
MD5

1a26a2ed858563b4454d2b7ca5465a65
SHA1

437cbe02e4cf084a8ac16713e3b8fe33a1c9f25a
SHA256

6946119631f1e981dd1b0ef5e6cf0f6f3e5286f3f4a5184224867689ab495226
SHA512

ff892d66c9252ba2311a1eaf66cb3031ad2ae728262200a23229d942f4f85497e8014d486c62d3e04e31575f24a302b106ee24a0d73bdea9863272879572d63a
SSDEEP

12288:ToK41tbtjxTbyvrtl+EPlEt3t6Ood/y37YqDtytgetAktoFsqczte0rtxnK:EVBnWj+EPlEhIOky3kEwqeByFTS9rnK

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-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 4776	2300	AcroRd32.exe	90
PID 2300 wrote to memory of 4776	2300	AcroRd32.exe	90
PID 2300 wrote to memory of 4776	2300	AcroRd32.exe	90
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4708	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	RdrCEF.exe	93
PID 4776 wrote to memory of 4480	4776	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\6946119631f1e981dd1b0ef5e6cf0f6f3e5286f3f4a5184224867689ab495226.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:2300
- 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:4776
- - 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=809313B8F5D47B84B1368CBA259760F9 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4708
- - 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=F38BFEA050BE43A842063E4A1CE26945 --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=F38BFEA050BE43A842063E4A1CE26945 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4480
- - 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=E20BD004E0F67051532E4984174C23B0 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4076
- - 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=F4FB60E66B0B1CCFAF5C2F0A7B2A88AC --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2236
- - 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=F9DFA0E879F6C0BA85924161BF5AD440 --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=F9DFA0E879F6C0BA85924161BF5AD440 --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=18BE06F15AFC72B67F23A4BA84B0D813 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676

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
09ecdea761b096f1977711ca2e81e9d6

SHA1
59da64e73ff89c4d9ad9dc9454ff7724d8973729

SHA256
7655b0ea46a381a8368ce6d41e212dfaf9d95b74e9ef82a0921c72b9b84ef559

SHA512
030309a61222b2430463dc4615501298f321d3b57be0c297c58969bbcb0944beca0ff5676298955320830c727724f07a9447b121dbb2e5d0468c90ecc40a2c00

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/2300-130-0x000000000C500000-0x000000000C7AB000-memory.dmp

Filesize
2.7MB

Download