3746b166a9df832782f473137b1cee4433cf25689e07a73883a4e306f3cc6c8b

Analysis

max time kernel
143s
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
28-12-2023 22:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fd980b163a5456fa8e5df485e3eb9d53.pdf
Size

97KB
MD5

fd980b163a5456fa8e5df485e3eb9d53
SHA1

73ef8951c9400eb669d7c3fb55714c9fef6b7036
SHA256

3746b166a9df832782f473137b1cee4433cf25689e07a73883a4e306f3cc6c8b
SHA512

27ed3c15afb38edfc6f72be854dfd3ee10fbff939fa34a4cd77f3284cba3c733bb74613c8877054bd16cfb8e8a22238242295a8ecd0c99b10a233296add529f2
SSDEEP

3072:L9fjU5MDIi65x0R4IVweio+/NAvXy93xyQy:LZj1IBuR4mFl+ckc

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
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 3732	3704	AcroRd32.exe	95
PID 3704 wrote to memory of 3732	3704	AcroRd32.exe	95
PID 3704 wrote to memory of 3732	3704	AcroRd32.exe	95
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 956	3732	RdrCEF.exe	96
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97
PID 3732 wrote to memory of 1604	3732	RdrCEF.exe	97

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\fd980b163a5456fa8e5df485e3eb9d53.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3732
- - 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=4B00F78F4B2E2A092DA353C744935E6F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:956
- - 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=A9CF1EEBA02F1E2CEA79ED858F96D39A --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=A9CF1EEBA02F1E2CEA79ED858F96D39A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604
- - 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=C0A158EEB4093693C5B3D84D5DE0BC96 --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=C0A158EEB4093693C5B3D84D5DE0BC96 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4372
- - 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=C1A67E8C987E737D075FE2B50F5479B0 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2952
- - 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=E303C19516AD7B454E64706161E5F595 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=C924202AA227A2577D6FBDB7FFD91ADD --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- 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⤵
  PID:1512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1420

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
1193024f90803ac1a57df6242b2febe0

SHA1
46832846a0e3d6962a000f38959e07024255adb9

SHA256
7d7c0091a9847b6f5bf72d7754ce61817dd6c80cd67030b34ef9d881c1d5ff76

SHA512
80f412fb7471f5d367fb7272ee16c1b5703ffea115483e4e13b88fd173e559e2dd30766cb22a3097f6889b319fb11f67be010bb298001de8ef51fe36642f4a58

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