094810115eb77146a6a7cd83708074961a8d3eaf7df704fcae0c0187b1e55f4d

Analysis

max time kernel
13s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 14:31

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General

Target

25cc64244db524d4f0d6ce4536339468.pdf
Size

62KB
MD5

25cc64244db524d4f0d6ce4536339468
SHA1

321a4d4401154c39f81b8d943c727d8fccf54d98
SHA256

094810115eb77146a6a7cd83708074961a8d3eaf7df704fcae0c0187b1e55f4d
SHA512

2036e9f5f4f881525a309710d62de6b250faf33b79054f5d620d22daaac33f400fdce8834a9a38c9ca602503e894406abb732de5aaf2fb22e86dd5f52a457486
SSDEEP

1536:0nit/IiEDVsJWsF0XKoGgIMwC8wkjeOGztsUAFmAUTz0S9:Uit9KsJjPgIS9kZGz6UydUF9

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2176	2928	AcroRd32.exe	87
PID 2928 wrote to memory of 2176	2928	AcroRd32.exe	87
PID 2928 wrote to memory of 2176	2928	AcroRd32.exe	87
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 2652	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 4892	2176	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\25cc64244db524d4f0d6ce4536339468.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- 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:2176
- - 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=5018DF02AA9C2AF57E9E4C087725F5A8 --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=5018DF02AA9C2AF57E9E4C087725F5A8 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892
- - 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=F5C5B2D261FD45C6E259860E40A89542 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=EE81B35BD5D06ADB5DDF50FC30B233C5 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=AF9F7348E3B86F26EBBBA4DFDDFE980A --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672
- - 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=FF5CBD08F9A68E5EA02AAFC44F3AE62B --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2060

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
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