85166384ae641ab401b5625185453055377bcb357e392c080775852fede269b0

Analysis

max time kernel
94s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 12:25

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General

Target

Estv-Jun-2000-7CmwKKtmFu.pdf
Size

218KB
MD5

189d85d67fcc87287020ebfbe04ade47
SHA1

1e2e5d3f099786789d28d6237be6fd9a9b130163
SHA256

85166384ae641ab401b5625185453055377bcb357e392c080775852fede269b0
SHA512

c804612e5c10b4c947367fdf8c6e37c01b3bcbd0feb4bd9b3526209a9dd5d91147fb0e862a712e782ac7d77c3956299a4af538f6b3d77509063c9ece213a6c5f
SSDEEP

3072:sM2K3pPA6Bb1vwHx1OEt/m2AqaOzCFb+fzvCVraVxnboZ7jyR8uwYCNp+iRyM0ya:PxA8bsxT4qLcb+qraLoZHi8uw1p+ZM0v

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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3184	3996	AcroRd32.exe	83
PID 3996 wrote to memory of 3184	3996	AcroRd32.exe	83
PID 3996 wrote to memory of 3184	3996	AcroRd32.exe	83
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 3240	3184	RdrCEF.exe	86
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87
PID 3184 wrote to memory of 4344	3184	RdrCEF.exe	87

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\Estv-Jun-2000-7CmwKKtmFu.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:3996
- 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:3184
- - 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=12A91AD00EEA540FF50F7654B5D72B49 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240
- - 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=65BCD89733BD25F35DE671388827E35A --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=65BCD89733BD25F35DE671388827E35A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - 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=BCEB91C445DEB545FF13298983A4DF6A --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=0CBCCF8FECAE825BC60500750284AD9B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2816
- - 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=E119BBD25C8CA77063A8B87E8EA0E7C3 --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=E119BBD25C8CA77063A8B87E8EA0E7C3 --renderer-client-id=6 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4248
- - 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=B660E5FFD8589EF8F39DAA0D81540C33 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080

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
f1429ff570a37f62b5982ab4feb1c34c

SHA1
049fa05035236ec7fdb64090e981427e2290548d

SHA256
6297edae3b72cba821be678ddb3ae13f87c3bdeb91c2bd57c4a89ac10cb468d3

SHA512
9207b3300a3f0a9adc0454896846ae342983bee487dbfae0e400f191f509c61309108ef1fb5e554bb8c38a36b79f0c88723d29e1350d662ba80913b791cb363e

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