8032a7d863bc6b56578e5060d34abdfdc371323c1d4149e23971cb5d19596b63

Analysis

max time kernel
148s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 22:22

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General

Target

fc82a7323cf02a6661cc9d30b718a63d.pdf
Size

85KB
MD5

fc82a7323cf02a6661cc9d30b718a63d
SHA1

b37543308e154cbda91e4b1e44f07a6849cffa97
SHA256

8032a7d863bc6b56578e5060d34abdfdc371323c1d4149e23971cb5d19596b63
SHA512

a5b6298ce7b0ad18a793b8f5c6fad6704ce4c5909c899a2859b8a31dc1bd7cdc9a428f86fe631d47b8ab14f64fe387f852fc31386cdb95006f23df5a3b805a8d
SSDEEP

1536:eyp4cSr8A9N9uS9bWRYQmcgLTt28vmiOUGW8pOGEWpyVsoYpe38/asj6o:h4csv9uq6RUcgH88vmu1GdyrQeMB

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
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe
3548	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 2416	3548	AcroRd32.exe	90
PID 3548 wrote to memory of 2416	3548	AcroRd32.exe	90
PID 3548 wrote to memory of 2416	3548	AcroRd32.exe	90
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 1560	2416	RdrCEF.exe	92
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	RdrCEF.exe	91
PID 2416 wrote to memory of 2628	2416	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\fc82a7323cf02a6661cc9d30b718a63d.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:3548
- 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:2416
- - 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=5E86A595093EAD8903C860F33F062577 --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=5E86A595093EAD8903C860F33F062577 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=A89DF49C4BD2EC373EF3E3DA92EC220A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=2837C2435614E281E21EA045F3C13AB3 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612
- - 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=69540E9BEF444C1D5DDC258F74EF28C1 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=E4E8473369DDD3856DC140EED34DBCD9 --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=E4E8473369DDD3856DC140EED34DBCD9 --renderer-client-id=6 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1420
- - 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=18F0B6F281212376EEAB31CA4209414D --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1876

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
c673be01bd3fae36a026c64d26137881

SHA1
df5cd0125aa047c546d8d8b23992297caae3b744

SHA256
5c90b958e6b8c85f126439a51bda347f526e92617f72d0ebf1bcdd652c2c8947

SHA512
8829737c161920cce593598d7d16302edc8c7dc4ce0272f72e85c36a9ee79828028e5e35d487fe2e02fa46ad315aa0401e9ecf98eb0b604fbb6a123ba1150eb7

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/3548-26-0x000000000BCC0000-0x000000000BD10000-memory.dmp

Filesize
320KB

Download