1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea

General

Target

1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Size

75KB
MD5

d59a3252300a3895894f75e2c64f9b41
SHA1

1e2e7005350aecde985510403a381fcdfcbcce51
SHA256

1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea
SHA512

f8b482fb70212ae1990ce7450f100d0a13377acf57daeedc3f2ff418c751da755d1372e3b6e6e718504ab908845461a95354df5ea78278b731cbf4782c0850f1
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO5qya:GhfxHNIreQm+Hiaqya

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2148	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.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	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
File created	C:\Windows\SysWOW64\¢«.exe	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
File created	C:\Windows\system\rundll32.exe	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.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	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	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\" %*"	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1695338845"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1695338845"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2148	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
2148	rundll32.exe
2148	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28
PID 2220 wrote to memory of 2148	2220	1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe	28

C:\Users\Admin\AppData\Local\Temp\1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.exe
"C:\Users\Admin\AppData\Local\Temp\1187a074ceb66e63bbae1100b070125ab70e6d08748bfd0d5c6a3ac3257c75ea.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:2220
- 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:2148

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
1317fbc5a7c87c9810ec62fcde7d5f15

SHA1
7a5d6e3b41c4db00d3d9fe3d00bec211168ed9ef

SHA256
ac29a019c94c9f2fd47574c864f89dfefd537c93a5e50519bc2fb11ded17762f

SHA512
48959fc68e46a76d7725fb44dc329d5dcad5afe39cb8faf372ea11959c98e07a29c0d28b33e22bf2a4befb350469cf9bca85ac33c863db81dd5a8786c698329a

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

Filesize
75KB

MD5
842a09cdb86ad56b8c368eaa5d32a63c

SHA1
04e854d746fcfd338058ca7b55aa2a1e3fc3bb56

SHA256
8900e454513f94b44f202adbde1166ade1626b0b7a7d5088016b281ae31a517a

SHA512
52c0a7890908b1f61b8f132f8f1d72105fd678fe5e2222420b0e38c8e9ba7620d92cefe237cd2df6e08fd2f76dd451e85effb41275e192a0c9ef904aa8dbfeb6

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

Filesize
75KB

MD5
842a09cdb86ad56b8c368eaa5d32a63c

SHA1
04e854d746fcfd338058ca7b55aa2a1e3fc3bb56

SHA256
8900e454513f94b44f202adbde1166ade1626b0b7a7d5088016b281ae31a517a

SHA512
52c0a7890908b1f61b8f132f8f1d72105fd678fe5e2222420b0e38c8e9ba7620d92cefe237cd2df6e08fd2f76dd451e85effb41275e192a0c9ef904aa8dbfeb6

Download Submit
\Windows\system\rundll32.exe

Filesize
75KB

MD5
842a09cdb86ad56b8c368eaa5d32a63c

SHA1
04e854d746fcfd338058ca7b55aa2a1e3fc3bb56

SHA256
8900e454513f94b44f202adbde1166ade1626b0b7a7d5088016b281ae31a517a

SHA512
52c0a7890908b1f61b8f132f8f1d72105fd678fe5e2222420b0e38c8e9ba7620d92cefe237cd2df6e08fd2f76dd451e85effb41275e192a0c9ef904aa8dbfeb6

Download Submit
\Windows\system\rundll32.exe

Filesize
75KB

MD5
842a09cdb86ad56b8c368eaa5d32a63c

SHA1
04e854d746fcfd338058ca7b55aa2a1e3fc3bb56

SHA256
8900e454513f94b44f202adbde1166ade1626b0b7a7d5088016b281ae31a517a

SHA512
52c0a7890908b1f61b8f132f8f1d72105fd678fe5e2222420b0e38c8e9ba7620d92cefe237cd2df6e08fd2f76dd451e85effb41275e192a0c9ef904aa8dbfeb6

Download Submit
memory/2148-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2148-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2220-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2220-12-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/2220-17-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/2220-22-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2220-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads