6c19c1ec0956a9bf9fb99471052834ff0a89592860fb094321d3d100abc0fb29

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 09:20

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General

Target

4898f2a5d6c029b7755afbdea8d89812.pdf
Size

90KB
MD5

4898f2a5d6c029b7755afbdea8d89812
SHA1

6e839eb7a0ab11e014063b33dc76c262caf86b36
SHA256

6c19c1ec0956a9bf9fb99471052834ff0a89592860fb094321d3d100abc0fb29
SHA512

39f1db116c4aa4b5a45341654da62761ba4a6a7554b7a2739581f4ff3026f9c1ccfb96e918b1d49ec98603093665d70457866a03871688ce035dae69d62491dc
SSDEEP

1536:Uop9tom3wtwhUBKbmoJHkafCa2AlExtEGxE78LzT/NQLbIF7QIj0F+OdlDz/Wrze:xvtXAtwhUomoJHkaaBAsyGxOST/40Rvg

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
8	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 3316	8	AcroRd32.exe	95
PID 8 wrote to memory of 3316	8	AcroRd32.exe	95
PID 8 wrote to memory of 3316	8	AcroRd32.exe	95
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 4104	3316	RdrCEF.exe	96
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	RdrCEF.exe	97
PID 3316 wrote to memory of 3620	3316	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\4898f2a5d6c029b7755afbdea8d89812.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:8
- 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:3316
- - 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=F280F6D146C6E45D234B8A1121015BC6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104
- - 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=A44EA9CA7890490400348130D53008D9 --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=A44EA9CA7890490400348130D53008D9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3620
- - 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=D89B649D49CACCA8C3768E7CB0248936 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=A3DB3343985CB3DCDA3DB230B8172823 --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=A3DB3343985CB3DCDA3DB230B8172823 --renderer-client-id=5 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1800
- - 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=A1F6BF78271787C94DE6E478253282EC --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608
- - 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=A71F866A5E163405A407D583A5B45DAE --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2152

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
3a15ffad8ae3baa5221120dfc964d6a8

SHA1
e78340a499a6f9d16a342666f90d5fc311ab3ed8

SHA256
8503eb9d32d8ea21da68ed693b1bb7293afc75c6cadc06e29a73828f016362e6

SHA512
34d689ef6af7b5fc9a4651425e694712368d45acd025a4227cf26a11e49cb30a6252184176312f5f22a84891de55e064c12a661736a4fde95263901f78e2ed4c

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