b8cdfda66c8b5083011c477387d7092bd72f29d8e624654339963923afb49f03

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 21:48

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General

Target

aceff87159b8e1f7ca9e8aba50d72f20.pdf
Size

93KB
MD5

aceff87159b8e1f7ca9e8aba50d72f20
SHA1

55b6c632801878be0544b4f045bf01530099805f
SHA256

b8cdfda66c8b5083011c477387d7092bd72f29d8e624654339963923afb49f03
SHA512

43c0931d5846ec7ed79c7c3717baa5c1607fd544863e7488e6f683a48860050cd4055eff3e63b8a5d687ce5219ce044e7c675ddab86263d2fab5833556da28f2
SSDEEP

1536:YmgyUXF3UekejLl7yYva+FMWboVnoTv0SjVZDTAQmYfXk/PywaTF/zxTnwLdBmvk:1fiF37fJXnbfFICdT5ze4/3FWf8XqR5

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2872	2864	AcroRd32.exe	95
PID 2864 wrote to memory of 2872	2864	AcroRd32.exe	95
PID 2864 wrote to memory of 2872	2864	AcroRd32.exe	95
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2476	2872	RdrCEF.exe	96
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97
PID 2872 wrote to memory of 2540	2872	RdrCEF.exe	97

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\aceff87159b8e1f7ca9e8aba50d72f20.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:2864
- 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:2872
- - 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=8E834150A31BEF041E4990D0326726E5 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2476
- - 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=48461F17F774CB7D634624324DB1A076 --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=48461F17F774CB7D634624324DB1A076 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2540
- - 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=AFB7DE78F7FDBFF1EFA466BD733C2252 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988
- - 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=ABA1FF37CF8D08FCB973577619933FD6 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=917E2BD544826060F45272631128B232 --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=917E2BD544826060F45272631128B232 --renderer-client-id=6 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1556
- - 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=E3A8F2CB39F9A5154D6768B489DCB96B --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2364

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
54e2580f9924a0df2f155e1fe10dc231

SHA1
0316e5c9bd7a133454168e0be3b621e41158059c

SHA256
1b7cca82a2e07944b4fdf610ea61addb1e87bd2155b936f45f347b38deb72806

SHA512
312cfc9d467e090015aea74936680bd3eff7c697c0a26a30b79157ac1f795b40162f6569928a04b9fcb2243c88ebc274856cf9620885a45f05526f2b036ccf78

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