6e9fa594a609d7d00740df508cabb32e73f3a2c0e409b34707f48985f06d1aab

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 22:44

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General

Target

449f378078a044a5368fbaccf8b1517d.pdf
Size

34KB
MD5

449f378078a044a5368fbaccf8b1517d
SHA1

6b910d3b8c23018bae5148c67648d43e92d3ff85
SHA256

6e9fa594a609d7d00740df508cabb32e73f3a2c0e409b34707f48985f06d1aab
SHA512

a73fc992b3d17e7a992d09bd71b729a700420b3df0fb214cef9c51e7e6746d0c503cb5313164caab1671a0acf7d76d00f520d40d12d05d06d803735cebc1b08c
SSDEEP

768:t/LKqm+olTs3vw65lBQamaG97BnbYndRxVtQu9uolhUcCZ:19mZlmt5TBma87NbMd7FuavCZ

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1568	1916	AcroRd32.exe	92
PID 1916 wrote to memory of 1568	1916	AcroRd32.exe	92
PID 1916 wrote to memory of 1568	1916	AcroRd32.exe	92
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1352	1568	RdrCEF.exe	93
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94
PID 1568 wrote to memory of 1792	1568	RdrCEF.exe	94

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\449f378078a044a5368fbaccf8b1517d.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:1916
- 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:1568
- - 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=915CEB9D841673BC66861184CA9D2DFF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=3113F7D340047E947A1C6143DD12D3AF --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=3113F7D340047E947A1C6143DD12D3AF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1792
- - 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=30CE4FD86E46659982629A00DF5A8007 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=911235D6AA9B2680C25F4088024BE715 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=6CE35744A84C1BF25BFD1800825F6B9A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=3E431160B744EEC0C94A83A87A15EE49 --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=3E431160B744EEC0C94A83A87A15EE49 --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2880

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
c53df57871904c31ab5bb1944d637299

SHA1
8f1245cbf7e7ceeeec062d1cb9cf4d39aa18319b

SHA256
ef1c28a25235c32bf8abcf8845b820d144a17f9e4a6e893206495c06f09d6df6

SHA512
315249904e38839535b73ba59cb51b23fea2e569e265efcda8a2cfb3af74fd14407eba60f01d4239b99c20c25309edaf9eb999fded1452df3a4ded6ecc265b08

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