79d44037a239950ca0b2bb8e58611b32233039cdb01369e0a1f81d12df69d7a3

General

Target

NEAS.6addf06d3376886553adcd3a084ed910.exe
Size

317KB
MD5

6addf06d3376886553adcd3a084ed910
SHA1

9daf15b01e1f01609963472e4e70b93a66c7b0d3
SHA256

79d44037a239950ca0b2bb8e58611b32233039cdb01369e0a1f81d12df69d7a3
SHA512

f4588fb888361ce3dff2ad928ae501dee3eef83d9c0fdbba7e389d4d20cbe1b1e968de67fdc2504339eb8c9c59aa57433358f4aa108bdd7b4517a007fc3944eb
SSDEEP

768:5BBdFYDgao5/AUrLEEzayTpBJfxBDlxkFNXK8D1Foji:5pcC/eAayJ3Rx8T

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1968	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.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	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	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	NEAS.6addf06d3376886553adcd3a084ed910.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	NEAS.6addf06d3376886553adcd3a084ed910.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	NEAS.6addf06d3376886553adcd3a084ed910.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	NEAS.6addf06d3376886553adcd3a084ed910.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	NEAS.6addf06d3376886553adcd3a084ed910.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697346875"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "505"	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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	NEAS.6addf06d3376886553adcd3a084ed910.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697346875"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2224	NEAS.6addf06d3376886553adcd3a084ed910.exe
1968	rundll32.exe
1968	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29
PID 2224 wrote to memory of 1968	2224	NEAS.6addf06d3376886553adcd3a084ed910.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.6addf06d3376886553adcd3a084ed910.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.6addf06d3376886553adcd3a084ed910.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:2224
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:1968

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\system\rundll32.exe

Filesize
349KB

MD5
f0caefcd53ae66a6ce360641301de7fd

SHA1
49e403fa1410fdfbd8cf45756f30faa5f1259e3b

SHA256
b830b492e29d2ed8ea8832d398690f200a962431daf6ae6c624d6d03812427b6

SHA512
2e08c9f1de211e7d5c8f29f586a82fd510d82aa0d0ba94a6db3df04cf93fa20814850c6a5efe3ae8cecc079480ffbddd7176b893cd6266a0ff873742d81de451

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

Filesize
349KB

MD5
f0caefcd53ae66a6ce360641301de7fd

SHA1
49e403fa1410fdfbd8cf45756f30faa5f1259e3b

SHA256
b830b492e29d2ed8ea8832d398690f200a962431daf6ae6c624d6d03812427b6

SHA512
2e08c9f1de211e7d5c8f29f586a82fd510d82aa0d0ba94a6db3df04cf93fa20814850c6a5efe3ae8cecc079480ffbddd7176b893cd6266a0ff873742d81de451

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

Filesize
349KB

MD5
f0caefcd53ae66a6ce360641301de7fd

SHA1
49e403fa1410fdfbd8cf45756f30faa5f1259e3b

SHA256
b830b492e29d2ed8ea8832d398690f200a962431daf6ae6c624d6d03812427b6

SHA512
2e08c9f1de211e7d5c8f29f586a82fd510d82aa0d0ba94a6db3df04cf93fa20814850c6a5efe3ae8cecc079480ffbddd7176b893cd6266a0ff873742d81de451

Download Submit
\Windows\system\rundll32.exe

Filesize
349KB

MD5
f0caefcd53ae66a6ce360641301de7fd

SHA1
49e403fa1410fdfbd8cf45756f30faa5f1259e3b

SHA256
b830b492e29d2ed8ea8832d398690f200a962431daf6ae6c624d6d03812427b6

SHA512
2e08c9f1de211e7d5c8f29f586a82fd510d82aa0d0ba94a6db3df04cf93fa20814850c6a5efe3ae8cecc079480ffbddd7176b893cd6266a0ff873742d81de451

Download Submit
\Windows\system\rundll32.exe

Filesize
349KB

MD5
f0caefcd53ae66a6ce360641301de7fd

SHA1
49e403fa1410fdfbd8cf45756f30faa5f1259e3b

SHA256
b830b492e29d2ed8ea8832d398690f200a962431daf6ae6c624d6d03812427b6

SHA512
2e08c9f1de211e7d5c8f29f586a82fd510d82aa0d0ba94a6db3df04cf93fa20814850c6a5efe3ae8cecc079480ffbddd7176b893cd6266a0ff873742d81de451

Download Submit
memory/1968-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1968-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2224-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2224-10-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download
memory/2224-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2224-15-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download
memory/2224-17-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2224-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads