041e760ac4ab50f7c9f64223987e6c17616043d5c652f977806ba25c803f9fc7

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2023, 15:03

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General

Target

Brokers should prioritise critical cloud security following largest ever DDoS attack.pdf
Size

140KB
MD5

cde0973cd3e457e3d25a0b13312772ac
SHA1

57d68a82d78599b09eb013784760e852cff9eb85
SHA256

041e760ac4ab50f7c9f64223987e6c17616043d5c652f977806ba25c803f9fc7
SHA512

39c0fadd0fe5a39c85c88eb347d1a0018676160ecf60a79efda5529452dc6325c4bced6456d754a5894e7d8e1bde28adea20cac4a320708a71c37a5d6ba2ac62
SSDEEP

3072:N6jUSjjOHOEF0LomVVxeQMPrPbgw8u6p8el+zA:EFEqP6muQ

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 3464	1428	AcroRd32.exe	86
PID 1428 wrote to memory of 3464	1428	AcroRd32.exe	86
PID 1428 wrote to memory of 3464	1428	AcroRd32.exe	86
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 1608	3464	RdrCEF.exe	87
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88
PID 3464 wrote to memory of 244	3464	RdrCEF.exe	88

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\Brokers should prioritise critical cloud security following largest ever DDoS attack.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:1428
- 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:3464
- - 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=8C5A0E3F1494E42BB9486778F64AC697 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1608
- - 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=44770676C939E4ED3C4A38B5D9348F64 --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=2 --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=44770676C939E4ED3C4A38B5D9348F64 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:244
- - 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=1652FCC5DBBEB5FE98E8A8946AF13E86 --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=2 --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=1652FCC5DBBEB5FE98E8A8946AF13E86 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4436
- - 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=0F949052369F1C6FE1E3A7321AF53EFC --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3860
- - 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=CCD9C34E12EFD837BCA26F991210E6E2 --mojo-platform-channel-handle=1844 --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=24E6E6AE87073DC24CC9628D0F8D6F14 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4792

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
ae9069e4dffe25eb1be1bc0c98b22fb2

SHA1
d115bd99d607fcfccdf6d0d394c95baf16eb45d2

SHA256
b1da93eee68edd8a3ca1d0fc0f58d93192bf4d842c7b154f9b192e9f2b2176fd

SHA512
47f1cc3314a98de36f6d8fb818358ba1bb9c5a90984ce06349ddb174cd840bdf7a42e7510e734de65289fd05185d39441f0ee13945e926ea4aa69dbab8fcb1dc

Download Submit
memory/1428-161-0x0000000009D10000-0x0000000009D31000-memory.dmp

Filesize
132KB

Download