4705806c7dfbabd9383376358d16d9d4d2d37fed3e3899cf12bb7684ca06ee8c

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 06:50

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General

Target

b6c7516421e32bf2df4c1ee2a0fabb57.pdf
Size

87KB
MD5

b6c7516421e32bf2df4c1ee2a0fabb57
SHA1

645ac2f2832e2d630df05d1bbd184cc3ef185664
SHA256

4705806c7dfbabd9383376358d16d9d4d2d37fed3e3899cf12bb7684ca06ee8c
SHA512

ff6d4aac270b258c4b61770d11047ac566cca45989dff434aefccaa39aedb465f920e1dcf440a1bb584d6f117ce153c969d1812066e78e7a7991015f31eb9f50
SSDEEP

1536:+3weDk3rkk7PEsEbLaMCJUUoKAdQHz5rwZAmvcWHpOvKq986WBq4PaS:GBg7CRbLagUoKAGHz5M6dv58nq4f

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2044	1400	AcroRd32.exe	90
PID 1400 wrote to memory of 2044	1400	AcroRd32.exe	90
PID 1400 wrote to memory of 2044	1400	AcroRd32.exe	90
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2696	2044	RdrCEF.exe	91
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 2960	2044	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\b6c7516421e32bf2df4c1ee2a0fabb57.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:1400
- 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:2044
- - 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=D2F340D8085615A0D3D0DC7F3D93F7EC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=B47A63EA4D8BFCA2FCB221F8E8D2C9E9 --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=B47A63EA4D8BFCA2FCB221F8E8D2C9E9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2960
- - 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=808CC426B8B2C42B9A1E4FCD4386EA66 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=3061996377F57F7A26D73C3A2B5D4344 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2408
- - 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=EBD8A7804DAE62991DDFF6C25A8597C2 --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=EBD8A7804DAE62991DDFF6C25A8597C2 --renderer-client-id=6 --mojo-platform-channel-handle=2368 --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=2F76048A0CC1B480475F78D78A62CDAC --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2180

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
baca9c55175288ce2a72d36a94f5f25d

SHA1
deeff8f76d0dac7cdf74cc753cce0aacf5b43681

SHA256
71e7e8dd0e4efa02e41f03e42ee64baa9e1e2b5035c821c2c03ed148345e4209

SHA512
44f4dabf72cadebf753320b2bbdcdeca4d85bd952bf7740db90a8b8777620f6e206f0a86511f7bee00c9f781a83ee5507b36fcd302031a97c1a0b3109e2be2b0

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