f0daac49f77b8994b55e27db57c29ed1c1b5bdfd7902bac590c7f47935acffd1

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 08:36

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General

Target

c56e81d2a9bf8feefbb45b95a7f6d195.pdf
Size

45KB
MD5

c56e81d2a9bf8feefbb45b95a7f6d195
SHA1

a335ce7b29592202d5683cf639589b3d8ba4d6ac
SHA256

f0daac49f77b8994b55e27db57c29ed1c1b5bdfd7902bac590c7f47935acffd1
SHA512

2e8e75080f5110e643935a640680cb4965be1b8021f7008456a687e6ed280cbae386f7210d37cd14a57580f559cf1d121d6826101f2b62a98459ce4e2ae0edd8
SSDEEP

768:sTS5RN4ySRpWKMpezHylIrKIX964ZABIvJgHj41ntqK0oVSu/LF27X22gJq+RL:ESrAQvpez8fIX96DBIviDYAxoVpR9Jqa

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 3836	1080	AcroRd32.exe	92
PID 1080 wrote to memory of 3836	1080	AcroRd32.exe	92
PID 1080 wrote to memory of 3836	1080	AcroRd32.exe	92
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1580	3836	RdrCEF.exe	95
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	RdrCEF.exe	96
PID 3836 wrote to memory of 1500	3836	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\c56e81d2a9bf8feefbb45b95a7f6d195.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:1080
- 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:3836
- - 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=37373D58FDF75CA8D553FDB59E1D7868 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=2E91E7B073666346025D4D6001D7DCDF --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=2E91E7B073666346025D4D6001D7DCDF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1500
- - 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=12EF2A308DF5B98FD27093B06806E221 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=3621BB2E1C2251675844D9158DBAC0C9 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4148
- - 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=69C28E332DD142E522BA499D2EB299E2 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008
- - 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=C84B4711EEAEE727ABBFA2827D31F682 --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=C84B4711EEAEE727ABBFA2827D31F682 --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1312

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
83cb44396ab436273469b73f978fe2ed

SHA1
13df916642238e0b0aac626b591e39613869fbc9

SHA256
2652dc00eb54899dcf6a19a91e9535381a587f7ebbd474c3b9a4617dbbeb3f72

SHA512
2d67422e11f1cf6bc202e03cc32515986ad44162d31d10046b9dc73ede252fbccda0dae7faaa55b2f3a05ecad6e73ae21467cee7837da4226ae9f92ea5f40536

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
memory/1080-27-0x000000000A4D0000-0x000000000A4F1000-memory.dmp

Filesize
132KB

Download