5fd0e62edf625f120da88ffb6b676a965a2c9520971a10726041338dd057c8b3

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 07:25

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General

Target

3c3e0e083416ff33be86d32a59b09d02.pdf
Size

90KB
MD5

3c3e0e083416ff33be86d32a59b09d02
SHA1

31c45a9fd4986eaf77a9a579d2177829b7700573
SHA256

5fd0e62edf625f120da88ffb6b676a965a2c9520971a10726041338dd057c8b3
SHA512

86e04a4efc529bc221281934a9a0fa416ddc2f87af874ac0f79c073d017b52420f823216f9acb771fd397a9f9195329d02b4bbb311e4fff0b2214bec7bf50782
SSDEEP

1536:cGu+xvAxvNFQbm3/k/QDtbYWgsaTqdmG0A7lyiUGuU+knWXPLNOvmWapOtQxwriA:Lu+xINGiPk/y0Wrdp0A7xh+TPLNs7tQu

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1148	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2204	1148	AcroRd32.exe	92
PID 1148 wrote to memory of 2204	1148	AcroRd32.exe	92
PID 1148 wrote to memory of 2204	1148	AcroRd32.exe	92
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 1832	2204	RdrCEF.exe	95
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	RdrCEF.exe	96
PID 2204 wrote to memory of 4060	2204	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\3c3e0e083416ff33be86d32a59b09d02.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:1148
- 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:2204
- - 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=256F7B531D45B1CC18106AE7FB18ECCD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=A795468851D1E3A5C2A9622F9BD98C33 --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=A795468851D1E3A5C2A9622F9BD98C33 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4060
- - 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=5197CA2B3312C0BEA7F68AD14798E4F2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=5BD7A9734F06AEB2A9C0346F8C9089AF --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=FEFA528E61044BC220FD48EBFFEFAA99 --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984
- - 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=F56E9FA11E06339C579CF72591F3855D --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=F56E9FA11E06339C579CF72591F3855D --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4240

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4232

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
2f19d5d65b0a6c07b2649692f0271c75

SHA1
1974ad617cd5b83be57c6bbc0771c6c5ae5f92db

SHA256
6fed4d83bd69735a7b50de84f18de3b4637916cd74433f10d4186e380a033017

SHA512
1aad79185780d1ed1692dee887a0a0497568b1cc9d50b724c414d56eea829d3bc0360fec15de8bf76e2e7c944adb2da012af49c162e2650f7859c1e463284a62

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