db5d7f84baf1b1e37383273814398ada75b8d1b0b1b4ec9227776f090cbc5870

Analysis

max time kernel
91s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 00:00

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General

Target

Paste 4.4.0 [MacKed]/Paste.app/Contents/Resources/Assets.pdf
Size

3.5MB
MD5

ca5d0fced4d6cd6618200ed358ccbdb8
SHA1

a9932ec80ee08508657590fd096efe4fdf0730d6
SHA256

0e011f651eb313c7c05a66d650de81c0849b894345b5a56ab83ce6956473252f
SHA512

f7a28fd9149ba1f2e2649c01dd3c3265128e895bae3ec5f7857f198e2a59bea6a8190449439867416a9f5c782e5776d423c6137f7bf4ee15641c142e03ada275
SSDEEP

98304:Pu/I8p1EDtdBFy8kuJ2bkcyt30qXrZqwbffuX/:PW1kDi8kuJKytfpbffu

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3532	1596	AcroRd32.exe	84
PID 1596 wrote to memory of 3532	1596	AcroRd32.exe	84
PID 1596 wrote to memory of 3532	1596	AcroRd32.exe	84
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 4992	3532	RdrCEF.exe	86
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87
PID 3532 wrote to memory of 3584	3532	RdrCEF.exe	87

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\Paste 4.4.0 [MacKed]\Paste.app\Contents\Resources\Assets.pdf"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596
- 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⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3532
- - 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=37296CBFC403AF625F70DAEEE6012531 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4992
- - 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=CF8D03515B295B2372102B9618384283 --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=CF8D03515B295B2372102B9618384283 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3584
- - 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=6D768B92718F97D5DA93EE89BF073C4C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4828
- - 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=329AEED0FEA013D7DBF53FB20F1FB5F9 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4148
- - 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=8E6332546D2C6B7CE4E3DA55CDF492A4 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2164

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2424

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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
0dfe16b2151f3829fef157132b222045

SHA1
779e3dc7d13c5c12cb85b4d2a01c575fd2ecb012

SHA256
b6a9003cedde828a3f51486797d83eec32518289216ef7f2a6bb0ba65380d76c

SHA512
8bbaa140f7d55f61faf289352fe3e1e6de6776092469243c0153668e66e241562a57c99bf00fffdf81540bb0712e3f805b769566042c51af6337053d9c8b3de9

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