2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762

General

Target

2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Size

75KB
MD5

01d47517605354918c7e4f0cd732634b
SHA1

db586b441cdc3e4b9285c56313a2bd0d3ae5490d
SHA256

2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762
SHA512

01f4fa6bbc52547daf001f7af10de103dbaa766367a5b8f4199b5dcc9bd3966374d6fe833bbe803adcb1b53639b4e808b381ca3979882e0b08947f49e96d392a
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOfv:RshfSWHHNvoLqNwDDGw02eQmh0HjWOfv

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1540	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.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	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.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\¢«.exe	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
File created	C:\Windows\system\rundll32.exe	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.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\exefile\shell\open\command\ = "\"%1\" %*"	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717266573"	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
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717266573"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1540	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
1540	rundll32.exe
1540	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28
PID 2740 wrote to memory of 1540	2740	2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe	28

C:\Users\Admin\AppData\Local\Temp\2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.exe
"C:\Users\Admin\AppData\Local\Temp\2e79885e3c34c6b23120b736b8655d2e629d085ba3cbf8ae67dda52ab968b762.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:2740
- 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:1540

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
76KB

MD5
c1c72ab3065c1c9e9d846056501b13ae

SHA1
11b2a09faf599ccc9b16eda5492b1ab3bcfbd6d7

SHA256
af8e50aec61c88fb26ef14560114d8a80c5f2a21f118a3af71f5c80cf1b47e49

SHA512
690a7cb74835fde8e59359883addc0c5c81ebd05a4b2fe6aec0cb985ab06ac21982b2b788ffaec4de0b5efb2f4cf1eb48faefb4de5c63f25dabbcfcd1fe476e1

Download Submit
\Windows\system\rundll32.exe

Filesize
81KB

MD5
d48881c338da95785701fc02b68a946f

SHA1
f042573fcb4f57b93bcc159c8e6a01a347f2b989

SHA256
73a5d89278018ae1fe2d3e0cbd09b210a04984ebc55027a8bf4d672b95433681

SHA512
4fc7ae6eabeebe1bc02dc95874edd9925c88ccda9b9aff2658310ac87de6f3e7710d44e210be418786587fc80b8f319678a8a908ea1bd9f70fcf9e5ef53c1ffb

Download Submit
memory/1540-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2740-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2740-18-0x0000000000370000-0x0000000000386000-memory.dmp

Filesize
88KB

Download
memory/2740-17-0x0000000000370000-0x0000000000386000-memory.dmp

Filesize
88KB

Download
memory/2740-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads