7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5

General

Target

7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Size

77KB
MD5

b8e4bac89505dba6d45ff075f79b60f6
SHA1

c675c30890e5471d8186fa40b53b9889ed307904
SHA256

7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5
SHA512

fcff4c788436ec87ea61802739990457db2620d0fcd922684c52adb66c8d34c45bd4158bd637b1a95cdd4e984392e1c42cd90e524872115b00f61dfc639b39e4
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOih/:GhfxHNIreQm+HiZh/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2884	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.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	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
File created	C:\Windows\SysWOW64\¢«.exe	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
File created	C:\Windows\system\rundll32.exe	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717223369"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717223369"	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
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\" %*"	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2884	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
2884	rundll32.exe
2884	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28
PID 2424 wrote to memory of 2884	2424	7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe	28

C:\Users\Admin\AppData\Local\Temp\7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.exe
"C:\Users\Admin\AppData\Local\Temp\7c190f4e5098b29b963cd2fb13389e2c545b0e372c789f839ca33789b74825f5.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:2424
- 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:2884

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
83KB

MD5
43d38199cb3769bbb528e67ca5f6021e

SHA1
354a11978a789ba7aa1784a2f8c1c292207405a7

SHA256
92f7a4eaac0c3f542c96dd60e5b9c665883e82a13e25761c764f5500c6d0bd4a

SHA512
2c11de61c77e9e7941cbc52f7d07b2ccca7b8534605c189fd5a63e8fa7474f71813a918d63c47944abc1b9d1ec77efa56e2879c1278e75f2d5852175197317c9

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
d7336bdaece173f8734ff305798eed13

SHA1
b31f58d239c5a752c71c95de1b647514c946c55a

SHA256
01397e90f62a95e1238b2d0c6828e79ac46f7d7b608c1f2d1ffa5c37a715d046

SHA512
0bec3541d241c5886891bb50735377977b7cc1c65a0c4e2c1799671ba9edb7190f932774a90c7ab542d241dbc7a603684d57b4a947e3f75205cd3256276e96ed

Download Submit
memory/2424-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2424-18-0x00000000003A0000-0x00000000003B6000-memory.dmp

Filesize
88KB

Download
memory/2424-17-0x00000000003A0000-0x00000000003B6000-memory.dmp

Filesize
88KB

Download
memory/2424-21-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2424-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads