75b1d57f268e9e2627123ac58f6b8105f31b00d91866d720ca47a9efdd110229

Analysis

max time kernel
151s
max time network
152s
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, 01:56

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General

Target

2390a14bb011300bde71a1202e7ec74a.pdf
Size

34KB
MD5

2390a14bb011300bde71a1202e7ec74a
SHA1

ec482ea2e083d5de9d3b01eab0e61b808ed87746
SHA256

75b1d57f268e9e2627123ac58f6b8105f31b00d91866d720ca47a9efdd110229
SHA512

541fa36351ad253b136ac88671400e5b46d41c5cb76efe45c5ba0a0cea5603c8a05eacabb6fb94856b4c1263e7ffae1451a7d5aa23e963cda436b38d35493efe
SSDEEP

384:ZLwihBw7IajXjytmcs4Exze4u9VEK+sZ1DMFhGMmEpRDdlyCtWkIoafACUSEZwk8:qAw3jqmcs4ExKxJDluX5pZIHQtqwyJ9

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 4904	3624	AcroRd32.exe	94
PID 3624 wrote to memory of 4904	3624	AcroRd32.exe	94
PID 3624 wrote to memory of 4904	3624	AcroRd32.exe	94
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4820	4904	RdrCEF.exe	98
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99
PID 4904 wrote to memory of 4976	4904	RdrCEF.exe	99

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\2390a14bb011300bde71a1202e7ec74a.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:3624
- 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:4904
- - 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=844FE3935A1F10875C208C555A6E0786 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=C24E3939434840587AAEAD9D140846C8 --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=C24E3939434840587AAEAD9D140846C8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4976
- - 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=291CED44BCFFAEC33464A09D1DFCE26B --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932
- - 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=84935319D9D65A2C586EDDA2AD7C0792 --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=84935319D9D65A2C586EDDA2AD7C0792 --renderer-client-id=5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2172
- - 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=5997942D9EB61FF02D86860D41E67DB1 --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2480
- - 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=F59B708D427C101653E3455000A16B72 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1808

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
66ac5d9571110e87d157bd3816db3ae4

SHA1
ce18a9ac1d19f9b6d5cd099f5e4207b1d724d2c7

SHA256
1618122e97932956005baeb8ff95811906981b75f0c75b039d724eee792e9690

SHA512
90123228f94ca2f1a28cd36a9c9777fd19736fa6ed1de6881557dc43a8bfa71c5e854b4f25305a1aebc5ce73daad2d4ab582c708877b397b7f381b210c2a3ca5

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