6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7

General

Target

6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Size

77KB
MD5

f54ccf5800b59a4a6a2f3621119aa6a7
SHA1

3c2f8cb0662576f7624281c7d24848e0822329a5
SHA256

6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7
SHA512

27280b6bbaa772c8210181696ecbb955cc01f1c6f026d3210466fe8feb11ce33b5a655032c0c5e562ead0a7000ae9136d2d2e6f50792690327563e2ad94cf4f0
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOA1:RshfSWHHNvoLqNwDDGw02eQmh0HjWOA1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1784	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.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	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.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	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
File created	C:\Windows\SysWOW64\¢«.exe	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
File created	C:\Windows\system\rundll32.exe	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	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\" %*"	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716956094"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716956094"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1784	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
1784	rundll32.exe
1784	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28
PID 1932 wrote to memory of 1784	1932	6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe	28

C:\Users\Admin\AppData\Local\Temp\6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe
"C:\Users\Admin\AppData\Local\Temp\6d1bae13ea824ff8959a6c5f1f3cb77e114ae039e1aecbb10633e5df879bacc7.exe"
1⤵
- Loads dropped DLL
- 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:1932
- 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:1784

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
85KB

MD5
0fbea360d518c5a3246c69e338233f41

SHA1
fb731d81ca2b2a32f5bff15d1dd6b3161861ea38

SHA256
588cdb467c6b2e8343e9fe80553e2e524dcdb01eeb4d8981bb9eb1ef70747d54

SHA512
55c97c315adfd177ce67bc728253d0fe569153c4c38b7d3ee5022c283226982ae2fc10dcae035553ac3666211dfad9041fde9f04ff490f10c55343a687d8c88a

Download Submit
\Windows\system\rundll32.exe

Filesize
76KB

MD5
2c347f490de4650f7fbd9d16cda60377

SHA1
c767c258ce0af7e2bf5a56909947c9b18d971999

SHA256
766eba21031919ca449ae37126ef55910ad6edbe9c3f62190f207e749d865545

SHA512
a11445a5bbd228f33d2f05c22981154ef4445fff8c95e47beb7f5957b66d2df86d1e822e9514837c6080e669d061e277f573823702e886615be46495ef57a356

Download Submit
memory/1784-18-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1932-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1932-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1932-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1932-21-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads