5f26bae711cd58b477731e696d6ea3160765f560bd16a586060fbe2296007cc9

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:00

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General

Target

38f5363e8f0720e1671a32fef2123af5.pdf
Size

85KB
MD5

38f5363e8f0720e1671a32fef2123af5
SHA1

9c9da524a39577213ef7b9c224cbf9baf0408bdd
SHA256

5f26bae711cd58b477731e696d6ea3160765f560bd16a586060fbe2296007cc9
SHA512

8b08d23cb6ede819297df83f4861f6e3124f6972db61dd4e1fee667a8efede6df3eb99c2c817ef4999ccb60346a1b94f0d7c34651982dc060a07ead6c4c737fa
SSDEEP

1536:nq3FBoYh+YC1IF6NEG/93yQmfCL4DxclC52HWOpOwrKWQZKt1vUs4:q3roYhI1m6NRmfO4DqrEwr+KnM

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe
1416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 828	1416	AcroRd32.exe	94
PID 1416 wrote to memory of 828	1416	AcroRd32.exe	94
PID 1416 wrote to memory of 828	1416	AcroRd32.exe	94
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 2096	828	RdrCEF.exe	98
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97
PID 828 wrote to memory of 4216	828	RdrCEF.exe	97

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\38f5363e8f0720e1671a32fef2123af5.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:1416
- 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:828
- - 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=31C852C9DF4E0B6862ED1BCEB1304DEA --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=31C852C9DF4E0B6862ED1BCEB1304DEA --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4216
- - 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=3FD49A4D09B613AB38851080C5A21115 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2096
- - 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=76EA1279B3D1BA9CBA3BF2CAD370A698 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=28754308B9B6B10195B62470B40AA6AA --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=EF3C5E60575980CAB9C83117E78EA115 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=E08C87F21779510D3CB3D23CB29C8CB3 --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=E08C87F21779510D3CB3D23CB29C8CB3 --renderer-client-id=7 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2688

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4988

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
d2eb397040a050642425426588dd1685

SHA1
1338d58ea4655a1f3f08a5542a7e74caafc3a4dd

SHA256
2bde7f11f70c1a2294864855cee53f09cb9074303e4c58951d7bdeb5aaf7ed11

SHA512
f3fa635275aed0d2c53b114624439c235a23567fc14a9c968480ec4878fd52f3dd9cfd56fe8b1e0e7f045509c8af806e12b9eaa5b1bcb542f3a2da4d7ce5235a

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1416-28-0x000000000C2D0000-0x000000000C2F1000-memory.dmp

Filesize
132KB

Download