bc5493e8bcaa8bf3d441e17164b67ef90432030950e915b577ff1f01e9eaa87d

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 01:15

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General

Target

73593c5225d4ed19eefefbf5d3183f94.pdf
Size

93KB
MD5

73593c5225d4ed19eefefbf5d3183f94
SHA1

8faa7431ed47a4423d78cb9868ff276a1a11d721
SHA256

bc5493e8bcaa8bf3d441e17164b67ef90432030950e915b577ff1f01e9eaa87d
SHA512

cea38344618428b983b56e23af73f5046f56122969a6fa6863f603872248704529101767c6acf92ab4255d7dd97f32334a33e3ee5649a2b6e08b1f89df8c9075
SSDEEP

384:B3O+eOyEwnt+IthrXtJrcZiLHQOtvatO7JJAjWYRtzOwy/1PDUttFVYtlnPFKu/u:NH

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 1464	4344	AcroRd32.exe	92
PID 4344 wrote to memory of 1464	4344	AcroRd32.exe	92
PID 4344 wrote to memory of 1464	4344	AcroRd32.exe	92
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 2780	1464	RdrCEF.exe	93
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94
PID 1464 wrote to memory of 4976	1464	RdrCEF.exe	94

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\73593c5225d4ed19eefefbf5d3183f94.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1464
- - 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=83C30D21C4A673BB59F7570C127A9ECC --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780
- - 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=F33A305AA745A0BDB0FECB515AFCC392 --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=F33A305AA745A0BDB0FECB515AFCC392 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2AACDD01E72D43DDC25AA5734C6B08DF --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=2AACDD01E72D43DDC25AA5734C6B08DF --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4848
- - 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=42B061A1618A750E27238AA1DADD4985 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3868
- - 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=ED9BC7BDF09C2320B4ECE435BA1D6F58 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884
- - 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=815F1FC683E8C8C2202188BA9C936D3C --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:768

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
d178dcba278a252f24c1a6c6945fea81

SHA1
64867c7b31a6f18a49d830767736181850e85db5

SHA256
aec1a3dfccd33dbdba856540dc25f7e1a53de1c42731661c9e68c236b738cab8

SHA512
ffced14677939db599bd52bd6a477a64917a41fb1f57e2f65848eacfc928e8ea69ed96e857a304d0e71c197c7ffeb2caf1b79ec1af0aaa1da52d120f9b6f9a0d

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