77c62147b9c4e97b403d81a9544ebbe6c9c633ad1497659a4d1f8e4db76ac2b0

Analysis

max time kernel
159s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 18:47

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General

Target
msf.pdf
Size 43KB
Sample240410-xfpcqagd68
SHA256 ea4f7a889e5f963e197e473218bcbbeac6096156cbcecaaffe40a389c4e24594
MD5 7f16b371ecf9b607cc8e8cac6fed7fef
SHA1 6c53f0d426ae1ffccbf97f4c1ba48efb2eb7a363
SHA512 b436643ffbdc2cb2915d62b25e2f20113b862c0c968bbf562861f9b7abb949328b3e2a224b72eb4e1ddd65d553e6eeae7bb72aa32c1e5f97ea109bfd2e8da9ef
SSDEEP 768:AfdXXjRLmWkrnOAcOJRzp2QRouGJvW6YHz8KieBmXGoWgZv:2XjRL12OAZz+vW6YHoK7m7
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 1072	4956	AcroRd32.exe	87
PID 4956 wrote to memory of 1072	4956	AcroRd32.exe	87
PID 4956 wrote to memory of 1072	4956	AcroRd32.exe	87
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 2024	1072	RdrCEF.exe	88
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89
PID 1072 wrote to memory of 3220	1072	RdrCEF.exe	89

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\msf.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:4956
- 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:1072
- - 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=4B7A1A19046936E685438C88F7752766 --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=4B7A1A19046936E685438C88F7752766 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2024
- - 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=DF9AA98AF58FD32FAF7E91610C20C34C --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=AD789F75527ED8DF13CD3816FBDB9CED --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=AD789F75527ED8DF13CD3816FBDB9CED --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4676
- - 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=6A66B9FAE8DBF40D1810CCB0943DB109 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324
- - 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=50A515F78D916CEF55A92B2FA8B624AF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=A09F99AD3AC59B5AC9FC980D5E95AD0B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3928

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 4189db82f467cc9ea74fcd1a37111c329015d144f77848743f60df1e34f31183
MD5 a4a44dac3af65148dd5dd7ebe8115426
SHA1 ce922cee5a174ea5a5c6cc56b47d161ffdaa4b2f
SHA512 56a6761e2263fbcec31c7a95c2250494f5041006456410ff573539575c172dcdd16714fdb7fc92bcf4a07b5a0aa29e8c5702f13526c5119a653f946cac0f6faa
SSDEEP 384:ye5dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:o+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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