ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335

General

Target

ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Size

77KB
MD5

f5997e9fa0254777e5ed3f63915054cf
SHA1

1cd03573fb15e9d687a5c3befd099ff4739fac1f
SHA256

ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335
SHA512

98c105e0632848d86b972260aeffa1d4624d2efaa309c2da66fd4d2a0fb7df4b4cb15784152c088f15dc3c782bdd3fb9b95088262afb17483d580c0c5099b07b
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO6Zi:GhfxHNIreQm+Hi5Zi

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1664	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.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\exefile\shell\open\command	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
File created	C:\Windows\SysWOW64\¢«.exe	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
File created	C:\Windows\system\rundll32.exe	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.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\MSipv	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717137139"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717137139"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1664	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
1664	rundll32.exe
1664	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29
PID 2108 wrote to memory of 1664	2108	ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe	29

C:\Users\Admin\AppData\Local\Temp\ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
"C:\Users\Admin\AppData\Local\Temp\ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.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:2108
- 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:1664

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
80KB

MD5
d01fdbe58dd26fdd7f6f5793abad2505

SHA1
e3aff19d0e3d2fc569bb9e6fa43e36662698b919

SHA256
2fd14ba4aa3e5f55c6e62d4aa20fc0fec16c76e14f608f5ed1ffb5e583290730

SHA512
0a593fa26e486fb892f332259bb3c92545293ce7d9b9a4f23ff45070ec0bcf40fbbbb7fdfb23a149dfdab8c0063687b87ac9a5a9a72b656ed32b50df22b9fa83

Download Submit
\Windows\system\rundll32.exe

Filesize
80KB

MD5
eea0eda10f1976ca84a4a0ec62e7fcd4

SHA1
b19627dd6c303e100dfe864be671e36a7c7f7ff5

SHA256
0152e84903b5f20e4c47260bb7b831cf639fd016c436514abfaa8eab1265575e

SHA512
89cc8f7410f77c0e63ba353b831ef3099a602f38622eb500ba5908e3ad23c6b9b85c45ad273dd5a0c2ffe88478ead4c30a485cc1f4ff15fe12aa01b03c960ab6

Download Submit
memory/2108-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2108-14-0x00000000003A0000-0x00000000003B6000-memory.dmp

Filesize
88KB

Download
memory/2108-20-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2108-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads