5f978332e24290efe42766ab9fd2cc7bb0c58e112b06fe3d5337ddcc0685431d

General

Target

NEAS.0fd422047b061232cf72e7fd392c1650.exe
Size

84KB
MD5

0fd422047b061232cf72e7fd392c1650
SHA1

4014c08ee550460a82a9fe686c65c49227315cd8
SHA256

5f978332e24290efe42766ab9fd2cc7bb0c58e112b06fe3d5337ddcc0685431d
SHA512

e941fa288a0186283e442f807305c5700939011621607f022ea86dc5415b8edd5fa98c0d2949d355d5294a3a5cf10ffb7267607628bb63d6b26148c62e90d637
SSDEEP

768:5BBdFYDgao5/AUrLEEzayTpBJfxBDlxkFNXK8D1Fojx:5pcC/eAayJ3Rx8y

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1736	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.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	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	NEAS.0fd422047b061232cf72e7fd392c1650.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 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	NEAS.0fd422047b061232cf72e7fd392c1650.exe
File created	C:\Windows\SysWOW64\¢«.exe	NEAS.0fd422047b061232cf72e7fd392c1650.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	NEAS.0fd422047b061232cf72e7fd392c1650.exe

Modifies registry class 15 IoCs

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	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1700035077"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "505"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	NEAS.0fd422047b061232cf72e7fd392c1650.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\" %*"	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	NEAS.0fd422047b061232cf72e7fd392c1650.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1700035077"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1736	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe
1736	rundll32.exe
1736	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28
PID 1764 wrote to memory of 1736	1764	NEAS.0fd422047b061232cf72e7fd392c1650.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.0fd422047b061232cf72e7fd392c1650.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0fd422047b061232cf72e7fd392c1650.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:1764
- 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:1736

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\system\rundll32.exe

Filesize
106KB

MD5
135df9aa67f110c3b69ba5b7164b979b

SHA1
981102a91ad103dbe6f41e79975cf4f083bee7ea

SHA256
ac19989e260aef467615852a3a6f99df62e78f90ec59181bb7e21b26a463a430

SHA512
24da11ea5e0dd614a1ec2c683983e736d3ab8ee67d0202cfdbfd391f04607a00f8e6d4a6cc06b90504ad99e0ca2db6fc8ce5950ee38f9b0717c5914b4b52bebe

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

Filesize
106KB

MD5
135df9aa67f110c3b69ba5b7164b979b

SHA1
981102a91ad103dbe6f41e79975cf4f083bee7ea

SHA256
ac19989e260aef467615852a3a6f99df62e78f90ec59181bb7e21b26a463a430

SHA512
24da11ea5e0dd614a1ec2c683983e736d3ab8ee67d0202cfdbfd391f04607a00f8e6d4a6cc06b90504ad99e0ca2db6fc8ce5950ee38f9b0717c5914b4b52bebe

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

Filesize
106KB

MD5
135df9aa67f110c3b69ba5b7164b979b

SHA1
981102a91ad103dbe6f41e79975cf4f083bee7ea

SHA256
ac19989e260aef467615852a3a6f99df62e78f90ec59181bb7e21b26a463a430

SHA512
24da11ea5e0dd614a1ec2c683983e736d3ab8ee67d0202cfdbfd391f04607a00f8e6d4a6cc06b90504ad99e0ca2db6fc8ce5950ee38f9b0717c5914b4b52bebe

Download Submit
\Windows\system\rundll32.exe

Filesize
106KB

MD5
135df9aa67f110c3b69ba5b7164b979b

SHA1
981102a91ad103dbe6f41e79975cf4f083bee7ea

SHA256
ac19989e260aef467615852a3a6f99df62e78f90ec59181bb7e21b26a463a430

SHA512
24da11ea5e0dd614a1ec2c683983e736d3ab8ee67d0202cfdbfd391f04607a00f8e6d4a6cc06b90504ad99e0ca2db6fc8ce5950ee38f9b0717c5914b4b52bebe

Download Submit
\Windows\system\rundll32.exe

Filesize
106KB

MD5
135df9aa67f110c3b69ba5b7164b979b

SHA1
981102a91ad103dbe6f41e79975cf4f083bee7ea

SHA256
ac19989e260aef467615852a3a6f99df62e78f90ec59181bb7e21b26a463a430

SHA512
24da11ea5e0dd614a1ec2c683983e736d3ab8ee67d0202cfdbfd391f04607a00f8e6d4a6cc06b90504ad99e0ca2db6fc8ce5950ee38f9b0717c5914b4b52bebe

Download Submit
memory/1736-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1736-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1764-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1764-10-0x0000000000260000-0x0000000000275000-memory.dmp

Filesize
84KB

Download
memory/1764-15-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/1764-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads