78c6125d9a88883e9bef4fa204f10f955217120ae5a0e8b9860dc5bc1f0bab7b

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 23:45

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General

Target

78b52e594b05b61c60b87052d1a5f3c6.pdf
Size

102KB
MD5

78b52e594b05b61c60b87052d1a5f3c6
SHA1

0593bcb2774f850e40febfbf882777ec941b0718
SHA256

78c6125d9a88883e9bef4fa204f10f955217120ae5a0e8b9860dc5bc1f0bab7b
SHA512

8fe09d813d7e2c8f8fb64f6f4c737bbf26ede3d987036e84e7bda881accb50e3ff15c54efeca740ee62b51dc142a85a773a88ef83e9d32c9d2df874863403a28
SSDEEP

3072:iioAvhV5JvlkVQYFEohvl8KGn0FuEtkAy:iihhbtlaQ2EoTSn

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
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe
1432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2716	1432	AcroRd32.exe	89
PID 1432 wrote to memory of 2716	1432	AcroRd32.exe	89
PID 1432 wrote to memory of 2716	1432	AcroRd32.exe	89
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 3892	2716	RdrCEF.exe	90
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	RdrCEF.exe	91
PID 2716 wrote to memory of 1164	2716	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\78b52e594b05b61c60b87052d1a5f3c6.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:1432
- 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:2716
- - 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=5D7781421E31B6C01A70008E85D01BF2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3892
- - 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=DB8AD410440D03922BD302B9B67AECEF --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=DB8AD410440D03922BD302B9B67AECEF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1164
- - 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=80CF282D3183A2231BF0B79F8855F576 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=99318CA1A2C1C5F221E47BE7CA970F87 --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=99318CA1A2C1C5F221E47BE7CA970F87 --renderer-client-id=5 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5040
- - 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=ED519112028092335EE6C8A8563F0476 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- - 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=7E44F7ECABE37B9AA7433D23FC919471 --mojo-platform-channel-handle=2856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3956

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
9a870aa3263c9842a8e7d2db4e4aec4a

SHA1
b2974af44ede91da835db39238ea4a968d7c9516

SHA256
daf5c415458c15e62957d151cc688fda10912a18dd035c3e8657e28d125e8b34

SHA512
34f4b28db0dca1da01291483c62109949669a85d8e98ce1007ea2476ea9f91bd68ff51aa3d3743af71bb054e9d8e7ff60a9987b907ba6f5cdbbab0084550cb3f

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/1432-25-0x000000000B910000-0x000000000B960000-memory.dmp

Filesize
320KB

Download