95cb192e3a1b1fa8d93835a31aa4caa68d9c19163acfdc9783c3cc8b96da5d1f

Analysis

max time kernel
166s
max time network
174s
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, 02:11

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General

Target

0b362b034cf65e05833b1257507f65b2.pdf
Size

34KB
MD5

0b362b034cf65e05833b1257507f65b2
SHA1

571e47ae4876ef2f39f03a8724ca1995d647ff63
SHA256

95cb192e3a1b1fa8d93835a31aa4caa68d9c19163acfdc9783c3cc8b96da5d1f
SHA512

c7397ec90eb761e75809eb88e3cc145b5ebe994d6d6693bc7e82c6fa1af29fefd6461f2114f17e8de0ad5daf0102871fa11786d84bc0cc70b7c54d7b7ce96811
SSDEEP

768:V0NzpXStzLJz2euj4lPtq9yi8jXnkRWZ32:VwzAtzx2eujSLi8YRWZ32

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe
3824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 4948	3824	AcroRd32.exe	91
PID 3824 wrote to memory of 4948	3824	AcroRd32.exe	91
PID 3824 wrote to memory of 4948	3824	AcroRd32.exe	91
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3924	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3244	4948	RdrCEF.exe	93

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\0b362b034cf65e05833b1257507f65b2.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:3824
- 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:4948
- - 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=A21886187B5B299E7C3A2B0AC51CDAF1 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=27D6FE48B45DE8132FBA0CCFC552401D --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=27D6FE48B45DE8132FBA0CCFC552401D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3244
- - 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=A0A61AA9CAC0F3457A9B20E5612D3777 --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=A0A61AA9CAC0F3457A9B20E5612D3777 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4956
- - 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=C8EDBF91526E5ED4914D76999BC951A5 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=5A1757A1E21E87E8A26493993304D905 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=C0B2CFD6BC54604A40E894A9EA9CF7C6 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:32

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
509497d0e4cd56881b1a4c7c965d6c82

SHA1
0cc0380720cf9e4684b92830913714519ad2ee85

SHA256
1a0a3cb96496fd8ba09d1daa7f77e12f0df13a4a87d9b339e553294542248059

SHA512
5106325c6d3ae282fa2460cb60b7824e0be502bd4fdc3ee8fb03b9543b928dff1c52a754c678ce9c1d1682a0e539e1f15a9a56bfcbc4d2c8a36ea58791f18079

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
memory/3824-49-0x00000000097E0000-0x0000000009801000-memory.dmp

Filesize
132KB

Download