104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953

General

Target

104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Size

75KB
MD5

a2be3d263e0e3c29eb30663b77dab1ca
SHA1

b6d37051e6f3324ec73ea0cbbf513e9e1d65d234
SHA256

104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953
SHA512

0adf49e2e8888598e1714fb756fbb9778d543e9e1964a13d9970038937d92214318ea49582e694e6bbc83056598ab6efc7af91266d51425259654bd2b659b460
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOV:RshfSWHHNvoLqNwDDGw02eQmh0HjWOV

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1360	rundll32.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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
File created	C:\Windows\SysWOW64\¢«.exe	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
File created	C:\Windows\system\rundll32.exe	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718144981"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718144981"	rundll32.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	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\" %*"	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1360	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
1360	rundll32.exe
1360	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 1360	4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe	81
PID 4904 wrote to memory of 1360	4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe	81
PID 4904 wrote to memory of 1360	4904	104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe	81

C:\Users\Admin\AppData\Local\Temp\104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.exe
"C:\Users\Admin\AppData\Local\Temp\104bbe02bcdd445eee643ca0ae5572462e801faae347a323b891e041ea328953.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:4904
- 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:1360

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
74KB

MD5
ce1bae6d3c19988d38e033457725b5cd

SHA1
b234a06ed1205e3e35f1b88634e6016dd35bb6d1

SHA256
e59c5ff1cb41b7f359bfdb65a214a89f18f97285386897fc36607e0af7301bfe

SHA512
260f4f505b8cf216baab2e06369d59dbafb4d155c941d9c6a296d5e0dd7d9cc48a3a9f7e9bdb0ec2fb1b40d36620490bb1833b2af12a5ebb679bc385ae394f7c

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

Filesize
74KB

MD5
d47f16ba371a2c0fa30aa78e6e48042b

SHA1
9f4a5b4060a033c34abc02ce0b8a6bf597a51e6e

SHA256
cf2d5866b013182737bac2fc9fa94733c41cbedcf38f03edc41115c366c73154

SHA512
55420fbfb6584894cf27fdcbd32af2fa3630cc9328c15e517c66b76a0b9193820a2eb77c1e4a497cc2a21d39ae4c7c8406f912d65ce6a8d48f2cc2bbebad2c38

Download Submit
memory/4904-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4904-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads