791c9343aaaf00b42a6b4df735384d9e9e1c3f23f033db195dd253d0f521f5a6

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 15:38

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General

Target

401277 INVOICE 111024 - Copy.pdf
Size

68KB
MD5

f081bbeea00e28572c28972e56707a06
SHA1

948b857c3770a65622b788138ca218070cf278c9
SHA256

791c9343aaaf00b42a6b4df735384d9e9e1c3f23f033db195dd253d0f521f5a6
SHA512

ca3142d04b71fdf61fd42a46f604f3deae4fd86ed80ed1a5995f4ec0be8b1414ae3995bc46c138f63a3207beecaf7c70b284e2d4d58e275394e2917a0af156e2
SSDEEP

1536:4QOoctxHoiZfnD+V5e/1B+OpfFyccSQdRTioby02hqy:4QO0s4ULfFyccFdju02qy

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.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 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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe
1508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 1792	1508	AcroRd32.exe	86
PID 1508 wrote to memory of 1792	1508	AcroRd32.exe	86
PID 1508 wrote to memory of 1792	1508	AcroRd32.exe	86
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 5032	1792	RdrCEF.exe	87
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88
PID 1792 wrote to memory of 2268	1792	RdrCEF.exe	88

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\401277 INVOICE 111024 - Copy.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:1508
- 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: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=BD1EBF22938234CF2335773279756497 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5032
- - 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=7746F6B2C17D3BEDD5482BF8BAEDE8B0 --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=7746F6B2C17D3BEDD5482BF8BAEDE8B0 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2268
- - 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=89E079BEE6647666273232160EFEE853 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1496
- - 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=89A3367A072E5124B0D912BEA0443051 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1060
- - 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=B40EFBA3630E8E2539635E76BE91D40E --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1500

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
ba59fa99b2891e5520afd0e4e9968ebb

SHA1
40c82f96e714f9657da29d567a84ffe5d6289ae1

SHA256
cfebd63a3d3153a73c5e463b16ee8ec9f5a1d1bb2d38a68125e9391a2e82eea5

SHA512
86a0aeb1f3e5c1808f5bc8d26f701c7ac2a8e09b3902814c87a6da3e1d1b6a6013751c2ca94543082ca8b10d21e23efa3e4a0b602b5f22e371d1bce2fada1265

Download Submit