fd63941da7976533a2bd9327e806eea0106b0767fb357bb4d65e2d5ba273d86a

Analysis

max time kernel
142s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 04:50

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General

Target

42cd178b1451632d077b278ab2e1158b.pdf
Size

36KB
MD5

42cd178b1451632d077b278ab2e1158b
SHA1

7d7bbc3230d6c6fbd9a5239d507495562b3e7fdf
SHA256

fd63941da7976533a2bd9327e806eea0106b0767fb357bb4d65e2d5ba273d86a
SHA512

1bdc619c2fa8b7956a9f052a246509f14af53953bc857411533edb6ba2faabbcc89859304e1a811999e2e76db468258e38aab779828804e97c188781af03ed36
SSDEEP

768:lZJ26ElOwbbQdAxox1B4PkQkR0F1sxNUMthC1Z7gOLwa+tV:DED5fXue5mA2HUMtw1Z7gOca2V

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 732	1480	AcroRd32.exe	94
PID 1480 wrote to memory of 732	1480	AcroRd32.exe	94
PID 1480 wrote to memory of 732	1480	AcroRd32.exe	94
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 1416	732	RdrCEF.exe	95
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96
PID 732 wrote to memory of 2224	732	RdrCEF.exe	96

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\42cd178b1451632d077b278ab2e1158b.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1480
- 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:732
- - 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=9B9293487C0EADF7AE9187051F6A98F6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1416
- - 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=A1E4348ACE7A8577A4F311A61A178E60 --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=A1E4348ACE7A8577A4F311A61A178E60 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2224
- - 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=9A1C469BA878054DB6744C4BBE7CB115 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=85E2D0CB67056D47FCC50418B5B1F1E0 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=0710DAC59FC0FBCA104E1A35015A0E3F --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1688

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
09481eb18c15cd66e2a951c82246850a

SHA1
82aa338e6b174fbb758de124d5a3c9155bcc692e

SHA256
4526006d1813f10d71e8d20a9e758331505634dfc2b8e12eb424db548cce7b91

SHA512
2182b8a5e3418ab7f38a25aad897b19c515e28ba6c62ce7508ae5411b7073a5885e7d00853ba5c576cc60acb55dae8eaa8263d630a42753a1bf66e8f032c3589

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