6f1572811ea756cb70d4d0dbfd3ce56584c455e9b766635ab97bce16a62eb500

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 22:20

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General

Target
Kundenbrief Umzug August 2024.pdf
Size 442KB
Sample240530-19b62abe7v
SHA256 6f1572811ea756cb70d4d0dbfd3ce56584c455e9b766635ab97bce16a62eb500
MD5 bb1289956365e9d36da07f3dbcfcf094
SHA1 3a61392efe1749f4fe83e6d18a6c45bfb21c8ce6
SHA512 b891a3c300343580902379d496f8b3931c24834ace82b2655209843c03b1df374e0242120d8350b70c8fa624ed60fbca817093d203d0cf130cc291d605b35e1c
SSDEEP 12288:/+W2x9CjSLF/OfSac4BtJ3wd3PUBQ8nZAWQcb5s:/+W2b48YBtZM3tWQcb5s
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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 4824	3032	AcroRd32.exe	87
PID 3032 wrote to memory of 4824	3032	AcroRd32.exe	87
PID 3032 wrote to memory of 4824	3032	AcroRd32.exe	87
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 2408	4824	RdrCEF.exe	88
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89
PID 4824 wrote to memory of 4016	4824	RdrCEF.exe	89

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\Kundenbrief Umzug August 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:3032
- 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:4824
- - 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=3CADFBA941D9E257481FB412C81A57CA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2408
- - 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=C4479EE7848DD0D1ACB3035A1D03BE9C --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=C4479EE7848DD0D1ACB3035A1D03BE9C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4016
- - 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=4911E91717510E8AF310E12CA2FC47B5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336
- - 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=5397FD1A3DD42D284541FE33D9179C73 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=C2DA57231844BEFA253FA3A528743608 --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=C2DA57231844BEFA253FA3A528743608 --renderer-client-id=6 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=DF5BAC41B4C94E1C4C1C484AC74F1067 --mojo-platform-channel-handle=2904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4216

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 2e1fb90b66582e33f04f44151b90222778aef5bd336f57b9d16a86e24b8ec0e2
MD5 4236912aa0bcb56fd9b25ea73aa08207
SHA1 841037a06e144615f3ddf14360cb91a3033aa032
SHA512 92cc3efce29def108ba304c0c52a021a0e31c7bfbd95969e076a286cb900ca7a1c4103ff5c3b529752a61f72aa93aebd34d7542f52c197480a733116c7eeb23c
SSDEEP 384:yehdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:g+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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