f3d018333aa86676656970ca17fa1654e59c939b74a32bef35abcace5f060e9f

Analysis

max time kernel
142s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:24

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General

Target

c09a20218ed247c7adbdd682ca2f79a9.pdf
Size

34KB
MD5

c09a20218ed247c7adbdd682ca2f79a9
SHA1

5f3686e152233b1d709a5c3bb4cd7c57ac75bd33
SHA256

f3d018333aa86676656970ca17fa1654e59c939b74a32bef35abcace5f060e9f
SHA512

a8adba0444b74b5c25634a5bd831fad2a012c861787980246cd2405b43cb651230e365e05d5c1474026ff3a2dd63386f42fd91f9ffec626441966acb678468aa
SSDEEP

384:fabvmvM1cgms/4iFrJpI+WWNQtWw0NWPnvlCXt38bhwCUSbX9ig7mrH/JLDgHkiB:fwviO1msA+poqsWw0hSiCrSHRLEDshSj

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 4644	404	AcroRd32.exe	94
PID 404 wrote to memory of 4644	404	AcroRd32.exe	94
PID 404 wrote to memory of 4644	404	AcroRd32.exe	94
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 1052	4644	RdrCEF.exe	95
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96
PID 4644 wrote to memory of 4956	4644	RdrCEF.exe	96

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\c09a20218ed247c7adbdd682ca2f79a9.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:404
- 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:4644
- - 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=AC91FEF89FFA43BEFDB6DA6E8389796F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1052
- - 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=6AC0E37EF3AAAB3A8799A70CA42021D0 --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=6AC0E37EF3AAAB3A8799A70CA42021D0 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C36E4B50BADB2BA32F775857D80FE8C1 --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=C36E4B50BADB2BA32F775857D80FE8C1 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5008
- - 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=649F7799753735BDED16AFD9CAB5AFD4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=6868BC38358AD8ECF378BCC6555E57F7 --mojo-platform-channel-handle=2560 --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=CC15C3A8E5B09D2F5F122830C59AD78E --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4356

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
8eda36b07958474c254f96b2ccb9c195

SHA1
98dc8a7ff89ae0fb45868f409f4cf1054bade609

SHA256
d4138ecbf49817dd29c809285cd858f3618616f6a360bdd860ae8cc93c2fc4ae

SHA512
d18716e9318f04336586c4bad54df12e8458937af5194153668cbd38adbe06773d68b0f76e68f45a7f1b5c5d6af58f4feff122ff1a941d4befe81f3714b6d740

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