b8b150f1d54467827a2749a9ce4e27b3b58c1475d01eacdb0984bee53adc6c9f

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 05:53

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General

Target

5a74f4b90e256b90a2c7f32c71c26dbd.pdf
Size

84KB
MD5

5a74f4b90e256b90a2c7f32c71c26dbd
SHA1

a782a535944da34c85208d3c8bf3c9bfbcafc26d
SHA256

b8b150f1d54467827a2749a9ce4e27b3b58c1475d01eacdb0984bee53adc6c9f
SHA512

7a5fe7b62198eae30617a7e9e8454f94af230728567b897c4e7c7971f8c85fe7d02a7712ddf6b2032a9930354d1f45701ea2a739c4a7df56f5d8260bc6acf845
SSDEEP

1536:JPSqO1Ub+KKoFgyBTHF5JoCJT9YnuU0zd2ytmYpeMqubVWkNpOPfITvOyWjhxoAR:NSqOa+K6yBfJoC3Ybadjk2qubePfWOj1

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2320	1632	AcroRd32.exe	92
PID 1632 wrote to memory of 2320	1632	AcroRd32.exe	92
PID 1632 wrote to memory of 2320	1632	AcroRd32.exe	92
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 4116	2320	RdrCEF.exe	95
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 2200	2320	RdrCEF.exe	96

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\5a74f4b90e256b90a2c7f32c71c26dbd.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:1632
- 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:2320
- - 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=1F044FC4103EE56B768C935E9C50CE7F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4116
- - 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=65523BE42820D073C8D9C1CEB581BB87 --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=65523BE42820D073C8D9C1CEB581BB87 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2200
- - 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=FA80C3CCA950CD5ED0E9F681EDA2F639 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=D41769344B2EFEA12B006E5B0BA50966 --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=D41769344B2EFEA12B006E5B0BA50966 --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:540
- - 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=4C5EDE7A05FC6CD16532333B71848105 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=74674EA4FA5310E8F77F9955E43E1691 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:676

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
54d4c50c8270fe29bd49a4a3df5271e6

SHA1
060ba573abbed8a5055db981cf9e9da907790c42

SHA256
286730c0180f3fbe9a0cd4903101a66cfa2d1b0b38df658611313ff1b1390cc7

SHA512
74108ddd1c7d47c188a5923717c6806d41e52f1f2b5cc27824d6ec0508b416b7313e844d75280d5848555060a8b5793e2020867b36a9e9dbde2cd3e7eba92865

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