88cbbde59ef3aa2ba61aed7af47d516ab3c6e20f562e6849ef24d6fe8396b8b7

Analysis

max time kernel
185s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 13:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

19ff224fdc03b1e79a192691cc2c6f17.pdf
Size

79KB
MD5

19ff224fdc03b1e79a192691cc2c6f17
SHA1

09f1e7a918db980bc26ff2a1a35a6518ae8b6bb2
SHA256

88cbbde59ef3aa2ba61aed7af47d516ab3c6e20f562e6849ef24d6fe8396b8b7
SHA512

67cf2e48c54ce5dfa5758a8f5e82e2b449fe401a30782c19ebdabc9757c3327304a52f6662d05d4a4d8b008fe1b7a0223fb8c9bd9c07cb75b6b029a5a19debd0
SSDEEP

1536:2cZ1mZXIcbObyXNx6bnSF7fmFUP1HW5syXAroUlzW9UjvO9xFUW8pOGl2p:Aj2yKrSF7kwrjlaEG97HGa

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4324	5100	AcroRd32.exe	95
PID 5100 wrote to memory of 4324	5100	AcroRd32.exe	95
PID 5100 wrote to memory of 4324	5100	AcroRd32.exe	95
PID 5100 wrote to memory of 2168	5100	AcroRd32.exe	99
PID 5100 wrote to memory of 2168	5100	AcroRd32.exe	99
PID 5100 wrote to memory of 2168	5100	AcroRd32.exe	99
PID 5100 wrote to memory of 3204	5100	AcroRd32.exe	103
PID 5100 wrote to memory of 3204	5100	AcroRd32.exe	103
PID 5100 wrote to memory of 3204	5100	AcroRd32.exe	103
PID 5100 wrote to memory of 764	5100	AcroRd32.exe	104
PID 5100 wrote to memory of 764	5100	AcroRd32.exe	104
PID 5100 wrote to memory of 764	5100	AcroRd32.exe	104
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 4780	3204	RdrCEF.exe	105
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106
PID 3204 wrote to memory of 2012	3204	RdrCEF.exe	106

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\19ff224fdc03b1e79a192691cc2c6f17.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:5100
- 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:4324
- 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:2168
- 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:3204
- - 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=11DF7D5C5ED63250A859838E661D04B0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=3253D66771278F607575D98ADD97E778 --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=3253D66771278F607575D98ADD97E778 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2012
- - 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=783FDE2501B4040D948983F8460B6424 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=B39A6BDE11538C993F7AAEB1C5AE351C --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824
- - 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=3C01A5DC814ABC7CE5205B3B51FB7D5D --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- 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:764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1776

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
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