4f2862155cc7f4711d1d54ca54ba968ff9239d5443886d2f8ca652026576f323

Analysis

max time kernel
95s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 20:23

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General

Target

Steuer-06-2005-eCaKFNyjJX.pdf
Size

218KB
MD5

3717c1d7ef9a02d296aac99829483e59
SHA1

6fc4744d170b1a257a1d24dba5460f978399b5e3
SHA256

4f2862155cc7f4711d1d54ca54ba968ff9239d5443886d2f8ca652026576f323
SHA512

523b2db4b5b1a1aa2cc4e1c9fb572fd631de4123a94fcccca8a5773d784cffb15a69f57bf16eee3c87c0fdfa6b69b426e13045cd1700f178334785f82ef4d4bf
SSDEEP

3072:sM2K3pPA6Bb1vwHx1OEt/m2AqaOzCFb+fzvCVraVxnboZ7jyR8uwYCNp+iRyM0yT:PxA8bsxT4qLcb+qraLoZHi8uw1p+ZM0E

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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe
468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 5020	468	AcroRd32.exe	84
PID 468 wrote to memory of 5020	468	AcroRd32.exe	84
PID 468 wrote to memory of 5020	468	AcroRd32.exe	84
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 4072	5020	RdrCEF.exe	85
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	RdrCEF.exe	86
PID 5020 wrote to memory of 2028	5020	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\Steuer-06-2005-eCaKFNyjJX.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:468
- 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:5020
- - 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=5589DB24D4CF2568CA8A84C2A03AA8A5 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072
- - 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=D882261351A8303745BC8952E6C845CF --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=D882261351A8303745BC8952E6C845CF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2028
- - 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=A51D5DBD595258E394F5E31A5A6B779E --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=26C589BAED3E37C6712ADFE7180140B5 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=73155B6D9CBCE74384E022395F65056F --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=A17F10B10C1569D0A941407975A1A1FD --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=A17F10B10C1569D0A941407975A1A1FD --renderer-client-id=7 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2080

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
f588e56c5722bc9d6811fe3c56d308d6

SHA1
851a860598a0a6874a7ef626e5341d3efa30056c

SHA256
43353f54d3c45445d34394eaed66994287fcc526cad19d89f564513c394fbe8a

SHA512
9b2691ec54418a86b5f41a3efdaa37d0807d631be1fdea6021440db53fd554f1612b31ab15fbbf84d80ae55989d810c69558c40f7d119f4145e2d000f1620531

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