b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d

General

Target

b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Size

78KB
MD5

24267e3370b9312986d2c799ae228306
SHA1

5740fd004c73cb12cb74bf9fa4fcc48f980078f3
SHA256

b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d
SHA512

b2644182a502a07ba53b77f1eb81cf5cd2190c211039204c5dc8ce74d2a11f61de403069a6d3b4ec9f37971f35d50865fe2f6c6d587f6651ca16104b867563e4
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOmhAN:GhfxHNIreQm+HiphAN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3952	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
File created	C:\Windows\SysWOW64\¢«.exe	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
File created	C:\Windows\system\rundll32.exe	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1713687283"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1713687283"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3952	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
3952	rundll32.exe
3952	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3952	3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe	92
PID 3016 wrote to memory of 3952	3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe	92
PID 3016 wrote to memory of 3952	3016	b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe	92

C:\Users\Admin\AppData\Local\Temp\b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe
"C:\Users\Admin\AppData\Local\Temp\b0d576fc286758b9ab902d309ce1ba74df072d923a434cfd0be9595da5fcdd0d.exe"
1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:3952

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1032 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:1124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
86KB

MD5
61f162a6d7aa1f618de969031a4fabed

SHA1
e780943a61c13ddf9194d79efcf1256b4aafeb57

SHA256
892c69b765fd3be040b6256c8ab8710e4eff819398469e6ecdd28ac38be8be14

SHA512
24a353e7e2a462ba58c274246339a179c01e28ba4bbd84b03d272d382405e7ce9c1db460acc727f43bbc7177ccdca187404f865975e22d90c8ba4c1e98b38a95

Download Submit
C:\Windows\System\rundll32.exe

Filesize
76KB

MD5
2bbfbdca351110bfc07eab4a21b27e52

SHA1
308766e20b885c8a78068dc95795f896f7d86c3c

SHA256
8cd3fc001308ed3aa88f0e3a5cfad2e46450eb6cbdc3dfd7d870fdd3796f5cb0

SHA512
365859e4c12bdc827a6062bf15b9513ff561cb63b08c426dcfe50ebb8a36399b6b3dd526829ce5349e89ce5634009cbc1295a4a0c6e41b9818c31e4a5482dba5

Download Submit
memory/3016-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3016-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads