0c5abf4985578e230524c4b40f4d71487ff04f7771ef9d0a24eee7cdbcc7a7ac

Analysis

max time kernel
145s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 09:00

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General

Target

13f92fe7ac0ae57e442fda4e49e43065.pdf
Size

86KB
MD5

13f92fe7ac0ae57e442fda4e49e43065
SHA1

9561050c39f570168e848f991c196210c86f2bcb
SHA256

0c5abf4985578e230524c4b40f4d71487ff04f7771ef9d0a24eee7cdbcc7a7ac
SHA512

5822f93ab8d5e734f6ccf5a18376421ef8da8c791d800bc094459ef9602f7de3c88b5b5eb3dfb7a3abbc70b4d961e5ac9bf2f228752d31ca4e433a614538d5de
SSDEEP

1536:Dg8L2rAO7wShagf5lpnQbuWdy0h+YN8Qlp4AHyCMsE5xAg7BzWxApOGzWvIALNGl:P2U2w9orQbuWdy0h+4Tlp4AHPM9rzlc4

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 22 IoCs

pid	Process
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4500	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe
4500	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 3384	4500	AcroRd32.exe	95
PID 4500 wrote to memory of 3384	4500	AcroRd32.exe	95
PID 4500 wrote to memory of 3384	4500	AcroRd32.exe	95
PID 4500 wrote to memory of 2892	4500	AcroRd32.exe	98
PID 4500 wrote to memory of 2892	4500	AcroRd32.exe	98
PID 4500 wrote to memory of 2892	4500	AcroRd32.exe	98
PID 4500 wrote to memory of 2964	4500	AcroRd32.exe	102
PID 4500 wrote to memory of 2964	4500	AcroRd32.exe	102
PID 4500 wrote to memory of 2964	4500	AcroRd32.exe	102
PID 4500 wrote to memory of 760	4500	AcroRd32.exe	107
PID 4500 wrote to memory of 760	4500	AcroRd32.exe	107
PID 4500 wrote to memory of 760	4500	AcroRd32.exe	107
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 4952	760	RdrCEF.exe	108
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109
PID 760 wrote to memory of 3888	760	RdrCEF.exe	109

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\13f92fe7ac0ae57e442fda4e49e43065.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:4500
- 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⤵
  PID:3384
- 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⤵
  PID:2892
- 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⤵
  PID:2964
- 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:760
- - 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=1528A738C97AB95622ABFC18C40B4793 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=9F4B93F065BE630EB93C3E3AC5A9F8F8 --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=9F4B93F065BE630EB93C3E3AC5A9F8F8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3888
- - 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=73BC4600A7B500BEEA77DA5013B1EE92 --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=73BC4600A7B500BEEA77DA5013B1EE92 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1872
- - 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=6F2CFB808ABF1418DEE5B54CCE43C02D --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:32
- - 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=D7A7DE09EE0543F9D78F9B2B6834CBCF --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=39B2BD66799ADA49C7605E84CA17A00E --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1344

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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
64KB

MD5
363d6aab41d176f2ebf6023d193df329

SHA1
0c03ae84624ba43b1da69e512ee9f8aa04026248

SHA256
1b98f1889a224376ab391c39c08f9edafa5dbe856c729346794f5fedb9786f3c

SHA512
ddc4879d5da7075a83aacb571b24fbaba8c49fbafd8ed0723b6819b0e6fafe72d15a283f24ee2645d8b139c33d6fd3e3390d88134171a8cf8b662a147ca43cca

Download Submit
memory/4500-134-0x000000000C750000-0x000000000C77A000-memory.dmp

Filesize
168KB

Download