63a12d00df51a39449cdd29f34ca128bad0d39852783b8ad1fbcfad23f74325d

Analysis

max time kernel
139s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 00:53

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General

Target

data865134.pdf
Size

862KB
MD5

22fbdce77340edf24453d6475fd84b03
SHA1

de388b0c488dd93ba8c86c2a1582c31785d3a520
SHA256

64d9892f28fd14324dcd747cfd31e6c18378ef8ad2b4ca9f10939281a1804670
SHA512

816a0860b023bae19e666158cf329baece08fd6281bf0a471956e209f83efc8b555fd177f1b9bbcb20fae76ba69ba585d227b0ec034fd5e36036d3e26a0f2e62
SSDEEP

12288:mHj0+gzj6poMLVqElT4czMOFQ+B9Qdcu7myfJV5B0NMMbEl07bxhs4PFHhp:46j47/zMevyftuiem0Hg4dL

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 5004	2328	AcroRd32.exe	88
PID 2328 wrote to memory of 5004	2328	AcroRd32.exe	88
PID 2328 wrote to memory of 5004	2328	AcroRd32.exe	88
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 4660	5004	RdrCEF.exe	90
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91
PID 5004 wrote to memory of 2784	5004	RdrCEF.exe	91

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\data865134.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328
- 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:5004
- - 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=FE7CA21163D2586577B7FBEBA49BC3E3 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=8CD15F3F788BDAF397BEE4AB7C532E4C --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=8CD15F3F788BDAF397BEE4AB7C532E4C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2784
- - 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=AC1284120633DAD43C40C37DA5BE7386 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2908
- - 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=1C8379E62476083E50C54D587B128FBA --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=62D062FAC067764A52DC26E13152A93E --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3600

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
2d014aaecdb4b5f377d8a64a5f065068

SHA1
d17d429fa449c24064e2969eb124a6a203f9aa9c

SHA256
0d336ad28229881f6c0202b1829324ca8e98640ce4cf65dc51770c6fec39bb36

SHA512
ecde18caf4d83ec445c4e6132147aa054768b5a47a049aff7ebf5c61cfc7d529bc5fe92ad62f9fff14e91a3f5266bde2cd66fb6e05aca036ebee13bba2329ce2

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