c3fd5e55c4de5f576bfad545810b96c41d8932273b9cda12a6b2a709597dbdcd

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:57

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General

Target

2ae922e508b172cd82a1e81aa06efd21.pdf
Size

90KB
MD5

2ae922e508b172cd82a1e81aa06efd21
SHA1

77973d449bb9d850defdbe4abdace945da314b6e
SHA256

c3fd5e55c4de5f576bfad545810b96c41d8932273b9cda12a6b2a709597dbdcd
SHA512

2dd58135da476622d3d461f1defa8cac521321bf2329d9229119aaa35fb7695c0fb2af9696cab44df1664a58ac76e20e828657ff65af9163819f63e5a1a1015e
SSDEEP

1536:m/chynlQz9NxYNRC5crO7O1p9VjlZsd1Qdrtxa7rSNW6JHm/xWplyWapOtQHWkhK:anmDxYNRjrOy1pvlZQQptA7mNhMpolPF

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 5452	5040	AcroRd32.exe	93
PID 5040 wrote to memory of 5452	5040	AcroRd32.exe	93
PID 5040 wrote to memory of 5452	5040	AcroRd32.exe	93
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 2540	5452	RdrCEF.exe	94
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95
PID 5452 wrote to memory of 3416	5452	RdrCEF.exe	95

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\2ae922e508b172cd82a1e81aa06efd21.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:5040
- 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:5452
- - 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=89AB44A96768F17FE8CDBA9A8E485907 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2540
- - 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=EF41C9D17630F1FF03AFC570CD08B211 --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=EF41C9D17630F1FF03AFC570CD08B211 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3416
- - 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=A773B68FD90910584EAFE153AD2F7B18 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3040
- - 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=00448ADFE71CBB93EEDD7C0AC83049EA --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5608
- - 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=7C89A7A6AFEDAB3508FF327B50C4942F --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=7C89A7A6AFEDAB3508FF327B50C4942F --renderer-client-id=7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5448
- - 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=BF617349C91E3C0C0E208010612313A2 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1240

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4824

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
8a24a9ea2afb36ed90e3ba84b98fd641

SHA1
93474c4dff1bf8f46bcf66e39aff6e07e1f68d45

SHA256
ac78b38930d3b28a899cf97d0c0080660a4feec73abc957bd043d92b6a7f9a60

SHA512
94e266a350a18630e3c3accee2798a0280e14ab4fea57b289a53e52e3ee4bec163df02b5c5adf59a17ba97e7277d0f44d2a4884ca5d6d99b8f5b04ca530949b6

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