b4bd49094c101566e25028dd3bb2ee1a05fd358d76895b5d2d93f7fbd08121c8

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 13:19

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General

Target
Sternwanderung_Bellikon_8.6.24_farbig.pdf
Size 240KB
Sample240529-qkhbmsff3y
SHA256 b4bd49094c101566e25028dd3bb2ee1a05fd358d76895b5d2d93f7fbd08121c8
MD5 c06be1e9f3fff6fa09f68701b3703358
SHA1 95324b301efafc52c87ed4573e2e1c204c1e8a3d
SHA512 707195fd6894b55965893bc72e654b153009d4a8a3748fb81f1d69deee39f0dd7fcdaeb6d51a2c53493550f536ae6deb1697cd7434565e4290d39a90d77216ea
SSDEEP 6144:GCoGMPecGlcwY8w3LyNrW1kzU7KCd7SSIxnECGktMNq38s86+:GCoGMPJGlGGNrzzwV2XERkbph+
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 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-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 3140	2664	AcroRd32.exe	86
PID 2664 wrote to memory of 3140	2664	AcroRd32.exe	86
PID 2664 wrote to memory of 3140	2664	AcroRd32.exe	86
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 3688	3140	RdrCEF.exe	89
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	RdrCEF.exe	90
PID 3140 wrote to memory of 4256	3140	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\Sternwanderung_Bellikon_8.6.24_farbig.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:2664
- 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:3140
- - 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=8F878AE8C896810C72DAD094B945A095 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=214B12FAE3B4963B4F47D8BB662C1C11 --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=214B12FAE3B4963B4F47D8BB662C1C11 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4256
- - 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=54E52CCEDA6825BF38AB2FC5C6EBEBDE --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1404
- - 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=21EC3AD1A88E387B60BAF3D0AB4C5F46 --mojo-platform-channel-handle=1684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960
- - 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=ED27948CA20A060DDE707D32217AFA0C --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=40476EE5B4D03AC9AAC10035D87C99EE --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=40476EE5B4D03AC9AAC10035D87C99EE --renderer-client-id=7 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4440

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 3d690603dd38dbdd9f8fe0a7c98cef0923983761cbb3d6cf5fa80e1b81325299
MD5 4e81e8af79f3af29dd16e84772a25994
SHA1 88fd467f15810a67d0e450ebd11182d0ace7d3f1
SHA512 21b7e149b7d1648ff7b762fddc589523195ac9b97c86f2750e15968e41ab8577fc2b1b7f3272fe49552adb3ddb7ab1d35acdd0bd890fdcd1944bf9b3af46bd54
SSDEEP 384:yeedThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:1+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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