2ce01d2abf37e25bcec5334d26b89428249737753a8af514efae9e4b40650052

General

Target

NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Size

89KB
MD5

06984e3d54fb6818b436748229b5d040
SHA1

01353b4f51275e8c20ad158cb5acd4512a5de08a
SHA256

2ce01d2abf37e25bcec5334d26b89428249737753a8af514efae9e4b40650052
SHA512

dfb155e99da5371fba9dac4256ea0355547f77092190b64fe93d8092e35d65d021dc08e6897d8b9c9b0d9dbac8db29e38272e0a8b0cd63e123d3c57d45b657ef
SSDEEP

768:JgO5xRYi+SQvvG5bnl/NqNwsKVDsBYD77aXKynF0vq:eshQvoLqNwDDhCeq

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2292	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.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\" %*"	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	NEAS.06984e3d54fb6818b436748229b5d040_JC.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	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
File created	C:\Windows\SysWOW64\¢«.exe	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
File created	C:\Windows\system\rundll32.exe	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697323781"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697323781"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
2292	rundll32.exe
2292	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28
PID 1824 wrote to memory of 2292	1824	NEAS.06984e3d54fb6818b436748229b5d040_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.06984e3d54fb6818b436748229b5d040_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.06984e3d54fb6818b436748229b5d040_JC.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:1824
- 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:2292

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
88KB

MD5
76a81f28c019944371db4bc477b4ff91

SHA1
37603fee86eecd385c8402764884acf71879f2a2

SHA256
0e272c2628d32ab8c1e2af15767ff2e67e52495c65f38c30f0ee2a9dc8888fe8

SHA512
31e330386cdd857beb6ad26a2b21b124f22df1fb6e7ec2bef0d97d223c7c06412555cd574fcf0168ac87b9f4682d1ea0cefd9e1db4f7390ccddc93337feca29b

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

Filesize
86KB

MD5
1b5b8774df8511276803cea6ec47e26a

SHA1
fedb4fc16825f54c5c9d061bbef3e0d557ff5310

SHA256
6a46da951ca77ae28f19ecdbbc07549d6da5248de6b7197b737a5eace74b2397

SHA512
987ac4e9d4116a9237fd75c0ee9c111df2ab252ef381c777fadfafae0c194b7aeb87c62b25f57256567da23acde53bcaf5cbdc5d010b7b73184d95cc2eff3aa5

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

Filesize
86KB

MD5
1b5b8774df8511276803cea6ec47e26a

SHA1
fedb4fc16825f54c5c9d061bbef3e0d557ff5310

SHA256
6a46da951ca77ae28f19ecdbbc07549d6da5248de6b7197b737a5eace74b2397

SHA512
987ac4e9d4116a9237fd75c0ee9c111df2ab252ef381c777fadfafae0c194b7aeb87c62b25f57256567da23acde53bcaf5cbdc5d010b7b73184d95cc2eff3aa5

Download Submit
\Windows\system\rundll32.exe

Filesize
86KB

MD5
1b5b8774df8511276803cea6ec47e26a

SHA1
fedb4fc16825f54c5c9d061bbef3e0d557ff5310

SHA256
6a46da951ca77ae28f19ecdbbc07549d6da5248de6b7197b737a5eace74b2397

SHA512
987ac4e9d4116a9237fd75c0ee9c111df2ab252ef381c777fadfafae0c194b7aeb87c62b25f57256567da23acde53bcaf5cbdc5d010b7b73184d95cc2eff3aa5

Download Submit
\Windows\system\rundll32.exe

Filesize
86KB

MD5
1b5b8774df8511276803cea6ec47e26a

SHA1
fedb4fc16825f54c5c9d061bbef3e0d557ff5310

SHA256
6a46da951ca77ae28f19ecdbbc07549d6da5248de6b7197b737a5eace74b2397

SHA512
987ac4e9d4116a9237fd75c0ee9c111df2ab252ef381c777fadfafae0c194b7aeb87c62b25f57256567da23acde53bcaf5cbdc5d010b7b73184d95cc2eff3aa5

Download Submit
memory/1824-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1824-16-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/1824-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2292-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2292-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2292-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads