eb4382ee52deb3b42ddd166977c08d684cc70860bf9c8f770f5c0cb6265f7037

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
14/09/2024, 08:45

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General

Target

MSMC.py
Size

38KB
MD5

6a9ce7e2e06776ce520e8c4bee337c23
SHA1

306c0775e3fd471f01175770c5584e77677f8206
SHA256

2381d93cfd064407212e9dd68a50bb6d17e78188381bd1206992fc86c562f8d2
SHA512

7db71d3cf643191ec66f77e6119346bb2aa8ed4557f1777cf053915387bbfcd0ad856a833e8bbf948cd971af3c586cc8ff46d76c416eab50e5b26357ae2693be
SSDEEP

768:wbhSMQGeyy/6u/F/YbsY8lzKcXyHDWY2rFJs7kKNgN2kG0OftoGhRLJ/yuPFEmSb:wbhSMQGeyy/6uZKIWt3pcfqG/3nGMlb

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	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 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-1-5-21-661032028-162657920-1226909816-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\.py	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\.py\ = "py_auto_file"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\㙮⼀耀\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\py_auto_file\shell\Read	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\py_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\py_auto_file\shell\Read\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\py_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\㙮⼀耀	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-661032028-162657920-1226909816-1000_Classes\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe\" \"%1\""	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1392	OpenWith.exe

Suspicious use of SetWindowsHookEx 25 IoCs

pid	Process
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
1392	OpenWith.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 3740	1392	OpenWith.exe	83
PID 1392 wrote to memory of 3740	1392	OpenWith.exe	83
PID 1392 wrote to memory of 3740	1392	OpenWith.exe	83
PID 3740 wrote to memory of 2000	3740	AcroRd32.exe	87
PID 3740 wrote to memory of 2000	3740	AcroRd32.exe	87
PID 3740 wrote to memory of 2000	3740	AcroRd32.exe	87
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 2108	2000	RdrCEF.exe	88
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89
PID 2000 wrote to memory of 4316	2000	RdrCEF.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MSMC.py
1⤵
- Modifies registry class
PID:2776

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392
- 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\MSMC.py"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3740
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2000
  - - 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=98FC7A9192684EF53167DFAF7C41F40B --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2108
  - - 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=D0C11AFC56759BD50872CB3B7FA239A7 --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=D0C11AFC56759BD50872CB3B7FA239A7 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:4316
  - - 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=866E888B94C791F77359E0276B06A339 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:1476
  - - 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=7DE28FD116E3244602A42676F213F925 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3044

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

Windows 7 deprecation

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