e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab

General

Target

e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Size

73KB
MD5

da24f0b0d6d94f2d918c62e4ad77ec26
SHA1

79a6e94481e49c42ea2ea76a72460d726c8b2f01
SHA256

e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab
SHA512

b06b4c3cc29aa93b8156a733fa17c229e2e799653cd0245e5529612515a0234adcc4fe6ad8db412cc0a17083efc27e929d3d6edde5871fea85197b64f28f4805
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOn:RshfSWHHNvoLqNwDDGw02eQmh0HjWOn

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2556	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.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	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
File created	C:\Windows\SysWOW64\¢«.exe	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
File opened for modification	C:\Windows\system\rundll32.exe	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717027667"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717027667"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2556	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
2556	rundll32.exe
2556	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28
PID 1296 wrote to memory of 2556	1296	e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe	28

C:\Users\Admin\AppData\Local\Temp\e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.exe
"C:\Users\Admin\AppData\Local\Temp\e2c2fc19d78cad54b301d7a0614e70dd512a9230c66b3b4948f33611d44872ab.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:1296
- 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:2556

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
78KB

MD5
19f02b27e598f920a5f94de421419773

SHA1
429cb7da2ee997797be3ef3b3e8d9035ed1ce72e

SHA256
79420f834193e0b3c6b8843eaa4eedc4766f3a64fef603c81556028fe931071f

SHA512
08f2f2d72ba555585d4d7b9716991d3db8acbf29932f49f9001177634d1988e3a7ceaed41b9b85a21f3ee8319a8c6cb960d2e5dc694b9a3b161dd07af761e704

Download Submit
\Windows\system\rundll32.exe

Filesize
84KB

MD5
79ca0ce2340909dcdf9e1180ff6e57e2

SHA1
f38706301c5dd5cdab6be7cd0c051bd44256c33c

SHA256
9b9df5d6fdd8980e6d98ff4fcb18765f92f77433a0a405a9ff02b1d571f2414e

SHA512
af7ef05a2e5029bbcdd251bbd19e2ca2fac92cb2e3120b317dc506b1fb39523e5c3a8c17737af2109bd8617f59b05c24d46233f70b73513b6f524d72c298ea8a

Download Submit
memory/1296-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1296-18-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/1296-17-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/1296-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads