4647f181fe892caf0eb6abf7d40187b5fab05f9e4ecd3093f64f55f91ecc1eff

Analysis

max time kernel
144s
max time network
151s
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 02:47

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General

Target

250fac65ad5e844e2334af7638a97690.pdf
Size

86KB
MD5

250fac65ad5e844e2334af7638a97690
SHA1

4019fdde6f1028d500084801051f149657340218
SHA256

4647f181fe892caf0eb6abf7d40187b5fab05f9e4ecd3093f64f55f91ecc1eff
SHA512

865fdca84eaebefa9d1d1e502cf4c35637d54c2ff3aa05136cabac1cbdc7f1d1406a7c499577cbbc740e226b85275b05965e9c3f4ac3fc3ae8ce925de2297ebe
SSDEEP

1536:dZVVygPUfdL+j9rACZ1YYLFd21FunR41/32PaOIKUkWcpOyDOHsyWxfli6FE+0:agPUFL+j9r71YYLv2TuRi32tRAyyM3IX

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2484	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 1784	2484	AcroRd32.exe	93
PID 2484 wrote to memory of 1784	2484	AcroRd32.exe	93
PID 2484 wrote to memory of 1784	2484	AcroRd32.exe	93
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 3704	1784	RdrCEF.exe	94
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	RdrCEF.exe	95
PID 1784 wrote to memory of 1568	1784	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\250fac65ad5e844e2334af7638a97690.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:2484
- 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:1784
- - 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=0EA9E372830107DC51F3CD3069B91B2D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3704
- - 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=EB57966E542E0A3E4A86CF801EA28087 --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=EB57966E542E0A3E4A86CF801EA28087 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1568
- - 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=11C6937024198E37CB6EC870636E586A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=858EE61CB7AE718639D2A4752654CEA3 --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=858EE61CB7AE718639D2A4752654CEA3 --renderer-client-id=5 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3092
- - 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=E501E23D0CD7ACB7C1E03063BEC319D7 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4520
- - 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=1993DEB76A870120A671C6B8366930AE --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112

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
e8daa3856eeb2f34ffe3c93acbd08dd4

SHA1
7b9e72412da90742c4aa464956a4bebc1364ab38

SHA256
8a7ad9bfca5a7be8aa92daebdb0ed9c764a296fe91ac16221e4a929124649ee2

SHA512
07f337f5215b6c31d9ac6586c3abcbbd37022a5d2da31b16913608e508b51a6f44419a1a2586c44b0c88b981b8111fa79fc6719ac4e6da9c4c0efaee787ad270

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