321a1464e84ac5d501c3486903188fb3ee3b21de09f6285f08d0b53d7ab79e72

Analysis

max time kernel
147s
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, 21:33

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General

Target

8a9673bdb3cb7164c3afca73911bf4ed.pdf
Size

83KB
MD5

8a9673bdb3cb7164c3afca73911bf4ed
SHA1

ba86495b6761dff71267918c7ac4be47b5036cd9
SHA256

321a1464e84ac5d501c3486903188fb3ee3b21de09f6285f08d0b53d7ab79e72
SHA512

8888e76b5804a1d97298231df95313e07d1b3a344d1d25e6fa55a85e9906733a120b0087827313e227295928b68626b4e686b4151a7b5783f6183189a3d34154
SSDEEP

1536:ceN7ju5TVlc8TD7UPuhrygESd7zOu4A5u+/gwnZrHLlWVacy2TqIyWkNpOPUriFo:N7ju5TVRTyuhrygVNqur1rsacy2TlXPC

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
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 372	828	AcroRd32.exe	87
PID 828 wrote to memory of 372	828	AcroRd32.exe	87
PID 828 wrote to memory of 372	828	AcroRd32.exe	87
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 2148	372	RdrCEF.exe	89
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	RdrCEF.exe	90
PID 372 wrote to memory of 1412	372	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\8a9673bdb3cb7164c3afca73911bf4ed.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:828
- 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:372
- - 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=9C950F36A4598242FA04D56FBBFE98BD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2148
- - 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=A6D4D0C06BDAFB9F62CADEC443325207 --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=A6D4D0C06BDAFB9F62CADEC443325207 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1412
- - 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=BFB1F85742B972BB4A2179DBA1793685 --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=BFB1F85742B972BB4A2179DBA1793685 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1036
- - 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=5B326D6919CD42D74FFE9557D387A211 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3424
- - 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=730A910C4DF1CA462030377B62CB2B91 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=82872BF4BA10E241A0946AE9A2CB20CE --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2476

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4788

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
ea033023221cd6742d20cf0fdd51ca03

SHA1
dfe27c430eedec3cd1db4eeef4796e7a9928f9e2

SHA256
747c19149082804072b9d44e4f034bba867c19212f1213ccb4796e7175414f2e

SHA512
bfea54114c47c7ec4dafc34a962d8ba4fc2b8382b578d16f1af5255c560be1b9e60506f5909f9ef84af0001dbb2a9d1165e95d077bfc994fd529ef71525554f9

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