be7de3e8dcd12c0c50d8a4c82c67da0d2e55a2edb5a348b45bb699ef6615c8b2

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 15:25

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General

Target
Einladung Familientag Sternschnuppe 2024.pdf
Size 679KB
Sample240530-st3eaaea86
SHA256 be7de3e8dcd12c0c50d8a4c82c67da0d2e55a2edb5a348b45bb699ef6615c8b2
MD5 2f602bc83c51601c713d6ecb926bd913
SHA1 1fd8cb17708eef88dc8b67433e4fd55b439c7588
SHA512 d526bd7e600726b3b0274d3783c4acfd4c05a5ed7b04a22727d108a9e813ff66e192482be4ef141e504eeded94f69e27f72837c209266e30f3668753c1088a2a
SSDEEP 12288:LLPVomtaEcZE38SPnp/xQnovgOqL2s92XaW2XhOSEYrB7axzzfJh8d2zvEC:Lptvd3Vvp/xQoa59ushu9BU2zvH
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1096	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4368	1096	AcroRd32.exe	84
PID 1096 wrote to memory of 4368	1096	AcroRd32.exe	84
PID 1096 wrote to memory of 4368	1096	AcroRd32.exe	84
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 2492	4368	RdrCEF.exe	85
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86
PID 4368 wrote to memory of 5376	4368	RdrCEF.exe	86

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\Einladung Familientag Sternschnuppe 2024.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:1096
- 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:4368
- - 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=65DBBFF776873259939F6D608BA08F72 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492
- - 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=760C0E612CDA62887F3A9F9806DCF13A --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=760C0E612CDA62887F3A9F9806DCF13A --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5376
- - 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=ADCDC27CA3B94546FCD1475134C668D7 --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=ADCDC27CA3B94546FCD1475134C668D7 --renderer-client-id=4 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4968
- - 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=12284FE42363DAB14572B639D944E34C --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=9C4D56178BB53E9D1A9B741A1EEACFB4 --mojo-platform-channel-handle=2880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5276
- - 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=8FB3E836A516B6D521179427A48F75C6 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5636

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 655a32e9096a24090f3e519154a524acb40fe9537376c943f2e2143bb0e46953
MD5 1039e7a76894e69af818f057f830b80f
SHA1 0b59b238033ce6214514f2a104887e6bb17eac98
SHA512 134c9eb4c72f78ee4264465b492b49cb165437289c6f1e4421d566086eab016e6644c2fa4e1787f24e2b662cdfe301a248c4e295024f17ff5215ed2474688080
SSDEEP 384:yeYdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:j+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/1096-124-0x000000000BE00000-0x000000000BF4D000-memory.dmp

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memory/1096-123-0x000000000BE00000-0x000000000C0AB000-memory.dmp

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