0ab20383a4565be7448df3688f9911b2ce5a58adf81ef2d62724dbbb1577e1c0

Analysis

max time kernel
150s
max time network
155s
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, 06:32

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General

Target

c2b033541fa6d573f24b3086fef679e9.pdf
Size

91KB
MD5

c2b033541fa6d573f24b3086fef679e9
SHA1

83df2d4f08c79fa67a8d4884545901cd1d44ef69
SHA256

0ab20383a4565be7448df3688f9911b2ce5a58adf81ef2d62724dbbb1577e1c0
SHA512

42d10c5421ecc8277ae34f4e5b4241e3f469c6d4b0d768584240a15ed394337949ddf44a42a8bc3b28f20c1be6d713d3c5b65aa4919dd6ccac8bf700d6d2fbd0
SSDEEP

1536:NU6L4LyCNHAKHIwZtB1B5LyKn8CT0JsWtWFzqiDbxd+WapOtQHWFC:18bHpZtB1B5BXo5WFuivxdDtQHh

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 568	4836	AcroRd32.exe	93
PID 4836 wrote to memory of 568	4836	AcroRd32.exe	93
PID 4836 wrote to memory of 568	4836	AcroRd32.exe	93
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 1676	568	RdrCEF.exe	96
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97
PID 568 wrote to memory of 3516	568	RdrCEF.exe	97

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\c2b033541fa6d573f24b3086fef679e9.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:4836
- 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:568
- - 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=7493591CD6A34DA249843C3FC9DCE053 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676
- - 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=9098B226FA79E8E7DD106FFEC5FF4ECB --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=9098B226FA79E8E7DD106FFEC5FF4ECB --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3516
- - 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=994F4975A26DEDB90BCC447235A46EB8 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=C70F776601AB085B69248BD3F8112E10 --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=C70F776601AB085B69248BD3F8112E10 --renderer-client-id=5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1516
- - 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=16E96757C1EB05BA6F23F58C09FED4E7 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=0E1529C40B4AE8699C9E129F6BF4AB75 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2244

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
f0c688bc577d16c865badc924550edfe

SHA1
6348ea1e7b613b44d80b3489d64cf605ceb1dcc3

SHA256
564193af37c755aff9dddefe85565015f32a175b9bb4675a2ed9d98c10c8af00

SHA512
a940519d0c0c66913ba3fe9dc32abfc2efad19ed6f02ac08be5ef019b94306959e9edac31c523008cd09c9118213cb793c282b1c896b6b5892a23c2f022ae3d9

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