018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0

General

Target

018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Size

77KB
MD5

1989b080171d45460edf200b206bc916
SHA1

a0ecdeff53bdd105598add70435f4eca87969fa2
SHA256

018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0
SHA512

8d9358b5f08abadf5d6fdd94a7555f49e43a82c5ada0bcfba27d9e52ab672df657421e1ef5e5361fba48f1875876901485780cf5b2df0ba208f58b4f65cfcd71
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOqp:RshfSWHHNvoLqNwDDGw02eQmh0HjWOqp

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2972	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.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	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.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 created	C:\Windows\SysWOW64\notepad¢¬.exe	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
File created	C:\Windows\SysWOW64\¢«.exe	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
File created	C:\Windows\system\rundll32.exe	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1721425760"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1721425760"	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\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2972	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
2972	rundll32.exe
2972	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30
PID 2632 wrote to memory of 2972	2632	018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe	30

C:\Users\Admin\AppData\Local\Temp\018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.exe
"C:\Users\Admin\AppData\Local\Temp\018c0289767c4c4e1cb47ebb94f6f82ac1187d7bc97eb758f57f4ce59d0775e0.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:2632
- 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:2972

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
76KB

MD5
5cbf3741e71b71882cde57317540b2d6

SHA1
816d224058e759b84229a0d9e3d2312440071a95

SHA256
c25fc84cc2ad1e1feb3aea40b4f1d1591cfcd560218f9b57d791c17d2e2bc33d

SHA512
36fbe2ce3b5f8c0b10083c85e5b46f27c7b8f990e4959b0e003bbc33400509cba94e1607fa52dc8ebb71352c8e1ed628d70e447120dc0eda28d603bd507f8ef6

Download Submit
\Windows\system\rundll32.exe

Filesize
80KB

MD5
8da6c9c501b5c3d461c935ded5f5e0a6

SHA1
6c41d77093667982f4f54f500df8cc389a5c019c

SHA256
a6bced340b1aaac0c1fdb3d49a010c9e07088c791b61fd9162024626e46d4c3f

SHA512
315bf8b6cebd2b00b572134795d6be0c8640dd500f9e4647d326dbf98a698cc4f614e71eba73fa2db9bb4d33e94d428da642d41f23e307346fd540a5dae691a8

Download Submit
memory/2632-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2632-12-0x00000000002C0000-0x00000000002D6000-memory.dmp

Filesize
88KB

Download
memory/2632-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2972-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads