07de10f93fb517073ecacc263f56d39d25759da42063e46bd31161add29f4811

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 10:57

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General

Target

a1b1732dc49c2dc31af557c336db692f.pdf
Size

35KB
MD5

a1b1732dc49c2dc31af557c336db692f
SHA1

bf28190490ceeac8c3eadea7305e2f5eba415c3e
SHA256

07de10f93fb517073ecacc263f56d39d25759da42063e46bd31161add29f4811
SHA512

769e19f41468bcdec8ce826e24390aee21e26b44bc25e94bcbdd1d8f367173251da814861c96d0a57447423ae689c4e34a13ff94f916ec698e5db42dbc0a8f46
SSDEEP

768:4UsJk9slvu6mwk9t1mT3KZPkzgLRsRmVZic8:4/CsfCta3KZs0LRk0Zic8

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4776	824	AcroRd32.exe	90
PID 824 wrote to memory of 4776	824	AcroRd32.exe	90
PID 824 wrote to memory of 4776	824	AcroRd32.exe	90
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 1012	4776	RdrCEF.exe	91
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92
PID 4776 wrote to memory of 4828	4776	RdrCEF.exe	92

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\a1b1732dc49c2dc31af557c336db692f.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:824
- 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:4776
- - 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=CAC5A7B430BDC4703AF772DC212AF9AE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1012
- - 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=F91F9486E11467653DC2918378DF7E6C --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=F91F9486E11467653DC2918378DF7E6C --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4828
- - 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=A85E35128F7E2D21BCFA9789653F35D7 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768
- - 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=082B082CCA6D14BF0BF80CDEF96231A9 --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=082B082CCA6D14BF0BF80CDEF96231A9 --renderer-client-id=5 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1364
- - 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=4967CD23B979F89FB3E0A8FF6C77AD85 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - 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=C22A6526916D9F7D2B1A1022A1A3AAF3 --mojo-platform-channel-handle=2204 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1412

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
974551feabcd01a5d897b838cc230279

SHA1
5fd45d675229002cb5ae7be69afbd2b122fa243c

SHA256
a340457f17933980b6c4c67070bf153bada569f0e11692ad63ef03f1779c71cf

SHA512
4fc52c89de02a78f2bda42b19242e917e8eb6d2b92fa1cea187c31a285dcc720fdde5a17b83e2c98dd1d7cb4b6ee19f6c406ea59966795eafcaf388f1822ea80

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