13523e2676ffc0bcbb341c0880cf1bc7a94b13127a7f77beb41282986d03b33d

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 19:21

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General

Target

8a542fbdb24bf861bf33d5b117a248ad.pdf
Size

72KB
MD5

8a542fbdb24bf861bf33d5b117a248ad
SHA1

954f46d3a9125383a1275e4c4ee4403f055abd1d
SHA256

13523e2676ffc0bcbb341c0880cf1bc7a94b13127a7f77beb41282986d03b33d
SHA512

94ce941b691512da0179ee2e84840b3eaa31e98008bd145292755247ead682c8975f34bf524032047866e52ea010624cae69fee9010104ff309d4d2250ce6e98
SSDEEP

1536:6jP0HTblREmMYwFLqui4kZKCRtGPLo9rkECXDQDpVRwE:APWvsfFxi47CRwPkarzQDpXX

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 2008	4512	AcroRd32.exe	88
PID 4512 wrote to memory of 2008	4512	AcroRd32.exe	88
PID 4512 wrote to memory of 2008	4512	AcroRd32.exe	88
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 4792	2008	RdrCEF.exe	89
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90
PID 2008 wrote to memory of 2256	2008	RdrCEF.exe	90

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\8a542fbdb24bf861bf33d5b117a248ad.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:4512
- 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:2008
- - 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=5DF7D5F6ECEE8C8339DE21F6F133296A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=7036BBB771B6C908CC8A315169AFA498 --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=7036BBB771B6C908CC8A315169AFA498 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2256
- - 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=1CAA2ED98B31E089F2B2CCB84EFE32C1 --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=1CAA2ED98B31E089F2B2CCB84EFE32C1 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4740
- - 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=EB5234BF9A9CD3BAAC7D3165A42B1E07 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=BC992D89E136F68522A3734DA66F9333 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240
- - 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=C21CA7BC6C5FA2EDAC0D601180249EDD --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2120

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
89983f01d9982152902e2f8cbb610885

SHA1
545134af157f70d1b057603ad85afa3a93b3683f

SHA256
2cba3fc162112b4c9865a74a62c1133c361a968f46248f6edd0305d76ef0caa9

SHA512
b2abcdc76a381805d9e8622442792ea5ffee7726fdf518822711c29ce46d7e52877723ca64e50e43541223fe80f4201d0b39604a8e72cb96c19c6b66aa628c4c

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/4512-27-0x00000000095F0000-0x0000000009611000-memory.dmp

Filesize
132KB

Download