2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600

General

Target

2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Size

81KB
MD5

863c77c00f358fb12d433654311c2960
SHA1

09a1ff4b19688a0cf21deaae79069fd6184f8a3e
SHA256

2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600
SHA512

1c20141e2002955c336b03c187b45213e36f013bd8602df5008ec58fff1ab4cf880f66da4170e930976757e505018ccd896faf87f53119d25a44efd1edf3e2ef
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOb+o/H2vxvlH0duj4nxY:GhfxHNIreQm+HiaPiVSo

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2676	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.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	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
File created	C:\Windows\SysWOW64\¢«.exe	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
File created	C:\Windows\system\rundll32.exe	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1696585947"	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\exefile\shell\open\command	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1696585947"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2676	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
2676	rundll32.exe
2676	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29
PID 2148 wrote to memory of 2676	2148	2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe	29

C:\Users\Admin\AppData\Local\Temp\2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.exe
"C:\Users\Admin\AppData\Local\Temp\2a62dc0cb180264344ea7e0214337cd4cdf2c8c9050a661103b7b5969f208600.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:2148
- 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:2676

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
80KB

MD5
189a9eb0202c3573f09a1f65b90b6db1

SHA1
c7abddd8bdfac387b8eb25ad5d84d8fab3698640

SHA256
1580bb2540186a07bce7afb5fc4f99dd4c0509577d3ed3128a93d3b450ec9f63

SHA512
1da7c02bcd1e7c708e0da016a492ad999edf2a06e60d2fca0e52dc972803fcebe46bed59a1fa9d43a64bfaeeb012bb3950098b173a3db65d24d97eefa3c8739d

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

Filesize
78KB

MD5
76ef55b686b57bd07073c08d8f0a6be1

SHA1
9fd02c0fd2cad1996cdb5f70a0328c2838ba2f2e

SHA256
75e1e6334d12a76187b5cb9a52b75cd44255c001b132489ee34404bb30dd2ebc

SHA512
5f384648b45fb48768ef993efd9d31a3f476da21a9b7003b5261d24da0baea073caa95813a98ef20d23249d70e3607021b70af8cd1eb5704e722b0b5e449d517

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

Filesize
78KB

MD5
76ef55b686b57bd07073c08d8f0a6be1

SHA1
9fd02c0fd2cad1996cdb5f70a0328c2838ba2f2e

SHA256
75e1e6334d12a76187b5cb9a52b75cd44255c001b132489ee34404bb30dd2ebc

SHA512
5f384648b45fb48768ef993efd9d31a3f476da21a9b7003b5261d24da0baea073caa95813a98ef20d23249d70e3607021b70af8cd1eb5704e722b0b5e449d517

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
76ef55b686b57bd07073c08d8f0a6be1

SHA1
9fd02c0fd2cad1996cdb5f70a0328c2838ba2f2e

SHA256
75e1e6334d12a76187b5cb9a52b75cd44255c001b132489ee34404bb30dd2ebc

SHA512
5f384648b45fb48768ef993efd9d31a3f476da21a9b7003b5261d24da0baea073caa95813a98ef20d23249d70e3607021b70af8cd1eb5704e722b0b5e449d517

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
76ef55b686b57bd07073c08d8f0a6be1

SHA1
9fd02c0fd2cad1996cdb5f70a0328c2838ba2f2e

SHA256
75e1e6334d12a76187b5cb9a52b75cd44255c001b132489ee34404bb30dd2ebc

SHA512
5f384648b45fb48768ef993efd9d31a3f476da21a9b7003b5261d24da0baea073caa95813a98ef20d23249d70e3607021b70af8cd1eb5704e722b0b5e449d517

Download Submit
memory/2148-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2148-12-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/2148-17-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/2148-22-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2148-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2676-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2676-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads