1e5fcbc034412e2d6f44718abd2dba64664ecf2fee1a52330b6b4bd60a2b304d

Analysis

max time kernel
153s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:16

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General

Target

379f28060a24789d46481832d9684bbc.pdf
Size

24KB
MD5

379f28060a24789d46481832d9684bbc
SHA1

2cbf336f320b6b623d58ec38bd0b7a3321b7918a
SHA256

1e5fcbc034412e2d6f44718abd2dba64664ecf2fee1a52330b6b4bd60a2b304d
SHA512

35436df5641299634ee1f015dab1c08522c1babbccdd56ae8006067368537951f7aa65d18e925a5266257749374b992b686c5816c2cce0347c3348b58d7fc8c7
SSDEEP

768:YRSun4giE8mL9yw8kiKCZkelLnuir7Tc1XKvE:E4jgLNCZkSCir/covE

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3940	3680	AcroRd32.exe	90
PID 3680 wrote to memory of 3940	3680	AcroRd32.exe	90
PID 3680 wrote to memory of 3940	3680	AcroRd32.exe	90
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 2256	3940	RdrCEF.exe	91
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	RdrCEF.exe	92
PID 3940 wrote to memory of 4720	3940	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\379f28060a24789d46481832d9684bbc.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:3680
- 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:3940
- - 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=4BB74627ACD5F8AF572EFB802F0DD0E1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2256
- - 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=DBF810B5A7E645D5F0041EE4E8141594 --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=DBF810B5A7E645D5F0041EE4E8141594 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4720
- - 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=44E3D78808568664B9201C86F0644193 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=6E566407FB2B3205AFD6DBEAB99A22BE --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=6E566407FB2B3205AFD6DBEAB99A22BE --renderer-client-id=5 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660
- - 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=21586F7E032062635F9EF9D15A4ABDE7 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000
- - 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=FB89C7B1A24B36760CCC1C5C51C2D4B8 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432

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
ea697cab58ffa22444964701507277ec

SHA1
b8732af7884ff2b702006ebe97faa96a0bc5e65f

SHA256
5edd46991ccf36fdaf5f836f35a8085ce66b21c61adbe81a13cfc6fe587e12a7

SHA512
365b2b8390f1131334addb54e6501821beab9c9158d8273bcb72398307d8b54f864ae30bc984b88426cf1215520af4b0c5cd4bd27c8f37974ad414a81128846f

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
memory/3680-32-0x0000000008010000-0x0000000008031000-memory.dmp

Filesize
132KB

Download