c548d58fb237e05ff56940190efc31fbeb4a92b4df08a39f08411adfcdc6bd36

Analysis

max time kernel
143s
max time network
156s
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 08:16

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General

Target

5abf15035927f0817d11e6bd2dd517c9.pdf
Size

83KB
MD5

5abf15035927f0817d11e6bd2dd517c9
SHA1

df4e98f90b79bad775190fb6fc7ae6ad92d0db64
SHA256

c548d58fb237e05ff56940190efc31fbeb4a92b4df08a39f08411adfcdc6bd36
SHA512

032f99e51efc450557dffd36e1727d9c264cc5dc36562b4df6573f318099864b409338bedfd3d50a914065d480b55ecd96684bd4cd6cb2c50eee655b10135c82
SSDEEP

1536:/vK+5dtWmNRnEmzUSUKTLcsgK8YTt9bH9XCDyjOxM6oF0EuG//BWjKbzQKo:a83NREmwSUKTLcavh9bH9XwySaV7uG/w

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
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4248	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 3972	4248	AcroRd32.exe	95
PID 4248 wrote to memory of 3972	4248	AcroRd32.exe	95
PID 4248 wrote to memory of 3972	4248	AcroRd32.exe	95
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 4596	3972	RdrCEF.exe	96
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	RdrCEF.exe	97
PID 3972 wrote to memory of 2896	3972	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\5abf15035927f0817d11e6bd2dd517c9.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:4248
- 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:3972
- - 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=7D18D32F7E136D1F680185DC4BDC3E66 --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=7D18D32F7E136D1F680185DC4BDC3E66 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4596
- - 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=BAF288D1CEECE2450F8DF48363B6EB5D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896
- - 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=E26ACBA5EEF41084F9567A7F8CCB2E4B --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=E26ACBA5EEF41084F9567A7F8CCB2E4B --renderer-client-id=4 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3780
- - 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=AE18995692F4534C45575D2E84F9EC81 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076
- - 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=D83F6690E5FBD80271F900523B579205 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=03FB0E9C8A42B83A15AE7CA52120CB90 --mojo-platform-channel-handle=2060 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1644

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
473c0e7daaecd72ebacf5e74ac93c59e

SHA1
c3b95c0fdcac9ea7dadf742e12ce63a288ef046c

SHA256
21b678a9709ec9721c8578d9d305cd3709ea8db94a5d60991183246b89973f8a

SHA512
85b2e3f538e86001b954e5e56460eea3a340e1ef9916213952261499d4896b7fcc327a9ea0657ccd9415f7c4e5cc2c036220502c75935199a2c9d3deed4ba9f8

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/4248-28-0x000000000A500000-0x000000000A521000-memory.dmp

Filesize
132KB

Download