ad04c1ff262d6fe5b653cf7f585a68795446bf1bceda10d9ee4eef0889813d45

Analysis

max time kernel
155s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 23:21

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General

Target

aa697d1374074b3067fb14df78ec9abb.pdf
Size

92KB
MD5

aa697d1374074b3067fb14df78ec9abb
SHA1

b32d78f80df5645dbffc0fe1124c8a973eb8f1c0
SHA256

ad04c1ff262d6fe5b653cf7f585a68795446bf1bceda10d9ee4eef0889813d45
SHA512

907befaf9f98554010a06e647963259df572872723aa49b265cbfa6682e07205a4bbf3f3b437734759c3722eec5cd888224e7f102b13fdc7d1dff185f09c9fec
SSDEEP

1536:q+zHhCG/ELOdh6qSgJhPIiFIV2YSz094kOQoifo6rFbIW6LzJDkdRq6WapOtQXOq:9BJ2OdhggPPFz04kOQoifogbMJgDqntg

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
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 3032	4976	AcroRd32.exe	92
PID 4976 wrote to memory of 3032	4976	AcroRd32.exe	92
PID 4976 wrote to memory of 3032	4976	AcroRd32.exe	92
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 4184	3032	RdrCEF.exe	93
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95
PID 3032 wrote to memory of 3240	3032	RdrCEF.exe	95

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\aa697d1374074b3067fb14df78ec9abb.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:4976
- 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:3032
- - 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=8DAFDAA3B135F2F0ACCF217459940C23 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=537E0BE2CB41EE0F4534E2FC290A513E --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=537E0BE2CB41EE0F4534E2FC290A513E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3240
- - 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=CFDE5665FB2BE3DDA4B211E644B66CF2 --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=CFDE5665FB2BE3DDA4B211E644B66CF2 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=D44310FCE875B84548B4F86E89B021DA --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=4AD2CA3CF050163513F68AB09BDF9E64 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812
- - 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=BC6D7E5B2FFFE99006226D861D071807 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4208

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
a2c7ea26113697d5cbe8db18d5a32a08

SHA1
915e66b3252ad17b9d8f776f5ea7f5c0bcbdd9db

SHA256
d3bc11ad025bd9a7318a4d56fc2da944d19a9e71bcd6bdbbd1508b1247532110

SHA512
9e323eba840990a973ca1d738d2c90136d06c6b424aa498244bf62de72caac3395def75ad463b995cb0d700565a315aaf37e6a11bf0b25de10047b75f91a3748

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