cb93009ce9e3c5713e5e5ebffecec68df0c9bc3b2ccd05cc0dea4a7bb7618d1b

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 04:24

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General

Target

cb93009ce9e3c5713e5e5ebffecec68df0c9bc3b2ccd05cc0dea4a7bb7618d1b.pdf
Size

73KB
MD5

8b49c85912a2557dde64d2e27a11b8ec
SHA1

fa37cfef2c5b03095d4ac080db6f39d16da05bc0
SHA256

cb93009ce9e3c5713e5e5ebffecec68df0c9bc3b2ccd05cc0dea4a7bb7618d1b
SHA512

2f6d9a8894907b3514768abf95ed6f2f9b5fa9626401847d34687bd1cd245770b25595269f3de63c0612af0a4032582715eccb0426ab35cd513cf0bac1771673
SSDEEP

1536:pyEjFEPTOTi4qw/dEuniCS8VGeRza0lbtPyv5z7U5hw4:bwaTiN4a2N7tPu5fN4

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-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1780	4576	AcroRd32.exe	88
PID 4576 wrote to memory of 1780	4576	AcroRd32.exe	88
PID 4576 wrote to memory of 1780	4576	AcroRd32.exe	88
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 3680	1780	RdrCEF.exe	89
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90
PID 1780 wrote to memory of 4336	1780	RdrCEF.exe	90

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\cb93009ce9e3c5713e5e5ebffecec68df0c9bc3b2ccd05cc0dea4a7bb7618d1b.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:4576
- 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:1780
- - 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=2758754DCF9C49AB4726818BCF5B5828 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3680
- - 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=EF0F6E748404C5616582D8B140CA87B6 --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=EF0F6E748404C5616582D8B140CA87B6 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4336
- - 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=3D2C29BEE653EA93E8F17B3E677D815E --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=3D2C29BEE653EA93E8F17B3E677D815E --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4692
- - 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=F069EA6AD0B3EC1EC4F665D594C0CD66 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=D2A36DD934DB759C0999A6451A4A5A4F --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988
- - 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=5824D94C150B8690D43D5A1B13ABFD67 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
78436d1649e91f89ade9b497c8a119d8

SHA1
8408f63c30431b969727845741fee29c2f6fe573

SHA256
ffbc9d5959c7cf2b8bc9ce612c986b16ae0248e3de29de83bb6b609d62a33198

SHA512
23321c80774bb99f022ea68382857055a3f516f890882cb6209269605a97122c510dff792f535a9115cf2c3dfd4d784f63e726d961d9e2e9a67845cdeb819713

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/4576-26-0x00000000090B0000-0x00000000090D1000-memory.dmp

Filesize
132KB

Download
memory/4576-132-0x000000000BDC0000-0x000000000C06B000-memory.dmp

Filesize
2.7MB

Download