70497bb38c44c7d6d7a6e155d410a09a211f2d61788e7717cc4e3e2f396c90aa

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07-06-2024 20:27

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General

Target

Steuer-06-2007-A1fdb2niXU.pdf
Size

218KB
MD5

e515571f790f28a4e9e53f012f9f8fe3
SHA1

b8e9b3590e0e691d957977ac78bb18a8e6366410
SHA256

70497bb38c44c7d6d7a6e155d410a09a211f2d61788e7717cc4e3e2f396c90aa
SHA512

2203e7593f87104267d2210681bd4ae5ad294e898fe7b9a68643794a764411f326ce298b1c52e8271c196b2396c0f8bcf78ce57292b5281af7483ab61765f24a
SSDEEP

3072:sM2K3pPA6Bb1vwHx1OEt/m2AqaOzCFb+fzvCVraVxnboZ7jyR8uwYCNp+iRyM0yd:PxA8bsxT4qLcb+qraLoZHi8uw1p+ZM0W

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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1252	4604	AcroRd32.exe	86
PID 4604 wrote to memory of 1252	4604	AcroRd32.exe	86
PID 4604 wrote to memory of 1252	4604	AcroRd32.exe	86
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 5200	1252	RdrCEF.exe	88
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	RdrCEF.exe	89
PID 1252 wrote to memory of 4512	1252	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\Steuer-06-2007-A1fdb2niXU.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:4604
- 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:1252
- - 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=5677AF16B2C3B99640BC8C300612EFEC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5200
- - 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=513F3F90224AC9D9201AF0A92CEDA7AD --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=513F3F90224AC9D9201AF0A92CEDA7AD --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4512
- - 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=DA78C00B63DD7C64767CF4BB722B002C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3532
- - 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=804F2B77E17996DCDA352DB965DD3CC2 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5476
- - 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=84A6786BFFDDD5DBBFBA4FF5CC3B0CF5 --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=84A6786BFFDDD5DBBFBA4FF5CC3B0CF5 --renderer-client-id=6 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5304
- - 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=8F7C03CDD51A9832190CC4E9090158E0 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4884

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

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

Filesize
64KB

MD5
ab0fbdf4e57ae792dbe926adc75953ef

SHA1
947552b0aa3d7678a1cfd97a81ea65c04fcafecf

SHA256
94f6f4d9a9868ac74a81fcbba1fd2a51c32c1934f3204b4024447c1798617e12

SHA512
3531be539628b9e8fb519c268ecaf219187311061220abcd605c598bedc1f37bf57e9eef1001376c74a60a4da6614a8deaa48d3e1c5805a399174774676df634

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