2948dc8a8844201e91a864ecf1ae620f854c63c6b8d0b397857fd10ab61a366c

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:01

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General

Target

b50693b715dbab1d284d2c6fff176135.pdf
Size

34KB
MD5

b50693b715dbab1d284d2c6fff176135
SHA1

8f1e91b0d5628a9b2c349b1e3f9897a819755685
SHA256

2948dc8a8844201e91a864ecf1ae620f854c63c6b8d0b397857fd10ab61a366c
SHA512

a088f6e26697365ad92bc3c4a51702d60c26378017bbc7bbe6dec1ffe1ca6fa1c0840e7640f12476994db589012ec0737b623ec3f42107df7f264099e845cb52
SSDEEP

768:768o0CewCXauhEsrfdaXy/AZ1usARHi+3U2Kk1rFFughqbYT:8N8R/81zOHiUU2KWrbuWqMT

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 3896	840	AcroRd32.exe	87
PID 840 wrote to memory of 3896	840	AcroRd32.exe	87
PID 840 wrote to memory of 3896	840	AcroRd32.exe	87
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 5080	3896	RdrCEF.exe	88
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89
PID 3896 wrote to memory of 1624	3896	RdrCEF.exe	89

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\b50693b715dbab1d284d2c6fff176135.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:840
- 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:3896
- - 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=B73C3BBA2C789E7F8D7209AEB7D9BD01 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=EDD0147360F8ECA1701392084E7A528C --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=EDD0147360F8ECA1701392084E7A528C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1624
- - 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=E6652408BE673D5A2A30D3BAC42C0F01 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=6DF3A6E72C5B9AD5E5BD00F5C5B8A505 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068
- - 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=A025E46E0EDC144BC61CB69E205E3EF2 --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=A025E46E0EDC144BC61CB69E205E3EF2 --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=6958D6F47593FD5054DDE4839683156F --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3420

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
6da4fc02b731efd42253e1091cf5f65a

SHA1
c3ea032e509433eeab56e5bff67d87c5c4e5bff4

SHA256
8acb4deb63f6b65d8fcec397a9e9d7de23d11c24169dd6a53c1e8f25cd524e13

SHA512
4bf6d6e958aebf2380ef42fd78e60ba885cdfb844817973bd381138f8b64e6adf6d0b683d5180d5dd835e84e8a460baaf1c42427fee3651f553d5515aa11224a

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