58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db

General

Target

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Size

76KB
MD5

72ced1586ccb3abfd173cfb4a3dc81d8
SHA1

b1e364b04480a13ca04df88107afc46cc23b9822
SHA256

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db
SHA512

fdcb4c3506311fc4f7bf1f14c223040852b9ecde4a0ad60f5f03702de86b267214ee3099c029a7d65255c3a0bb0a169c35ce4182afad5ad463d9467b1bc31b95
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO8at:GhfxHNIreQm+HiDat

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

2144 rundll32.exe

pid	process
2144	rundll32.exe

Loads dropped DLL 2 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

pid	process
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

rundll32.exe58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

description	ioc	process
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	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

Drops file in System32 directory 4 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
File created	C:\Windows\SysWOW64\¢«.exe	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

Drops file in Windows directory 2 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
File created	C:\Windows\system\rundll32.exe	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

Modifies registry class 15 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716520046"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.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\" %*"	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716520046"	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

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

pid	process
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

2144 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exerundll32.exe

pid process

3008 58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
2144 rundll32.exe
2144 rundll32.exe

pid	process
2144	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe

description	pid	process	target process
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe
PID 3008 wrote to memory of 2144	3008	58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.exe
"C:\Users\Admin\AppData\Local\Temp\58a01c825fb4b7abd45822762455b657002550e9042c91ea6088596718be42db.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:3008

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:2144

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe
Filesize
81KB

MD5
ff4cef1a80efca5419b7c019437a404c

SHA1
90ecb8a4bb30c85de23644b77f801e4fb6037cc9

SHA256
c1f2b09f1ecab3efe6aefd15ae87f3a7db4b0f571aa87c795c0635df70c9121c

SHA512
5a57069f50bdb0e845e76f92023fb7a7d9730d09b843e717dd1104081433a21a9526c926d2d3d46ab55826f9740e41f20e5df375acee6d53afc21b17c90881da

Download Submit
\Windows\system\rundll32.exe
Filesize
81KB

MD5
14a1d65a1df388af04169b824e8f7fec

SHA1
28ba7037f012449b50e19e53b49531dc1de43e72

SHA256
a3d051e7ebc99f31cbc4abd2f64d08a4453f43031ed7ab17e69054159b0a0738

SHA512
1e92dd4d77d30e63399b248fab640502e6140eae81895eb3402143f8b5c6429393bf590bdae73df4cd165beabf1a6df7339b35c9c9e27aeaee8dae0e7bc80c38

Download Submit
memory/2144-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3008-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3008-12-0x00000000001F0000-0x0000000000206000-memory.dmp

Filesize
88KB

Download
memory/3008-18-0x00000000001F0000-0x0000000000206000-memory.dmp

Filesize
88KB

Download
memory/3008-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3008-22-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads