59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8

General

Target

59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Size

74KB
MD5

39a8ae4ac9af1c426b46e10b9761270b
SHA1

8cf0a6ff8fb7ecf8ea922e896dd20c6959eb956d
SHA256

59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8
SHA512

e19c703585e7205a8c2ee6610730a8c2c74442ef1f2b578e9ef98ed8478073ab48e3556ccd5e2af2b691a83bd9ff89307a71bbef40210f2ee208991d7df84a79
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOO:RshfSWHHNvoLqNwDDGw02eQmh0HjWOO

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2936	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.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	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.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	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
File created	C:\Windows\SysWOW64\¢«.exe	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
File created	C:\Windows\system\rundll32.exe	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718304740"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.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	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718304740"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2936	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
2936	rundll32.exe
2936	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28
PID 1904 wrote to memory of 2936	1904	59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe	28

C:\Users\Admin\AppData\Local\Temp\59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.exe
"C:\Users\Admin\AppData\Local\Temp\59ef15504699992730533d2f68746d3b6f2f32da54a8d1f7dcadfd54cbc5d1e8.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:1904
- 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:2936

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
81KB

MD5
77be7a6c6bad4ee566ec9319ecb2ab2f

SHA1
840ffba4b9e9da4178bb0849f4fe4df78111dd90

SHA256
e7d36866d58f4f9825e294313fcca354a37c16a38bc2bf39dabd08a551bfafda

SHA512
d885bdbcee92c76e5c9af03a50f1b0fcab6cc19fcf6b4e8b4bb1d8b6c30b4bcb5f01d171f8b44aca288175335b432d6c3bf5696f27ee79c93d7fb2d76ce02307

Download Submit
\Windows\system\rundll32.exe

Filesize
80KB

MD5
9e75a64c8ed4dcc4859961460644bcd8

SHA1
13133319d4993808c51f99dfe7842080ea1d0dea

SHA256
af1ef2c439343ffce28fcbae3542e1e6c7c6bb1b7a6bc721de4c45bc3054cdc0

SHA512
a3d88f6207af6628a6982dd3c38ef779eff4d6952ee7dc54412f16a340f3c4ffdc620e7020891469fb6b5f100e0b7c96b6885108577a359099f858317dee1ce3

Download Submit
memory/1904-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1904-19-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1904-18-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1904-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1904-22-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2936-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads