5be84ff4b817f9e2dac5b8bce34fef0064a2916347909d51e30754fae9d7a2d6

Analysis

max time kernel
133s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 13:14

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General

Target

Passübungen RLZ.pdf
Size

66KB
MD5

30c6ff2d8ca9ca96dc685bb9fca3d563
SHA1

74a994070a7d23db938173132e2c0ddb4535f03c
SHA256

5be84ff4b817f9e2dac5b8bce34fef0064a2916347909d51e30754fae9d7a2d6
SHA512

ef4eef4dbfcc82cdc917740b2d74f7b2a82d91699c12efb7a68ebaeabefe454771494890fc27b6d19c7d83d62e1546ba02067abc3cc9cdb1229c2477ae76fbba
SSDEEP

1536:mJuWgcTrmb0OnG3MBuwuCuyWw3+UvEwv523aLSiOtAhiuPDC9:LLQe0vcBuwuCuyR+Uswv5e102

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe
876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2428	876	AcroRd32.exe	92
PID 876 wrote to memory of 2428	876	AcroRd32.exe	92
PID 876 wrote to memory of 2428	876	AcroRd32.exe	92
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2724	2428	RdrCEF.exe	94
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95
PID 2428 wrote to memory of 2016	2428	RdrCEF.exe	95

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\Passübungen RLZ.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:876
- 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:2428
- - 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=2C2C7AA9D53780B15C225186741D1B9F --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=83A95462C03E0DFA88CC21F52D4F684D --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=83A95462C03E0DFA88CC21F52D4F684D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=210B10D86A75237F4865FF1898FAADFF --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - 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=C82691CC0FFAB34B9ABB90D87EB5793F --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1244
- - 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=B9FB5C60D394C7559D18526F3D69075B --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=B9FB5C60D394C7559D18526F3D69075B --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3228
- - 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=69BEC22341DF0633C893160AD61A277F --mojo-platform-channel-handle=2832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3572

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
9428fb96f7202afb956a864c7f8d9855

SHA1
0b53e1c0730770ff7b92bb21f1fbdb34053ea53b

SHA256
b85774f587f37a3163ed6b5cd79304502f37f706894b868e490c8ea68b07ec4a

SHA512
d3df3c780d6b33413bc20e65ba1bbf1eaca1b1de4a1df5e73de5ca0d069a011c516a7f3f2fe0dfd142ceb299dab1ff8e7a569a639024f44cbc97a2c09cb61c8a

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