018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850

General

Target

018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Size

79KB
MD5

17b1295880207e66513150de71ee8661
SHA1

b2fca196a36bbfaa882a5bd021fa0960f1ab6f1a
SHA256

018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850
SHA512

eb2d1c0a54fb1d6945fe4efd99cae371456a825f0561b27454ef90f000244d8a5766cfd1484636a49fbaa708d94d10f5b97487c6039c32ba0847af8ddaa0aaa1
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOE10I:GhfxHNIreQm+Hit10I

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1256	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.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\" %*"	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
File created	C:\Windows\system\rundll32.exe	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717059094"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717059094"	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\" %*"	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1256	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
1256	rundll32.exe
1256	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28
PID 1148 wrote to memory of 1256	1148	018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe	28

C:\Users\Admin\AppData\Local\Temp\018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.exe
"C:\Users\Admin\AppData\Local\Temp\018a0fa3aba626f6da5957385b7bc57f5ae140006b7776dc0789082eb1618850.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:1148
- 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:1256

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
79KB

MD5
4dbc16e5a4035d3061b3730f98f88a1d

SHA1
8b42e967b1ae0ab12cb4508b67e6e9fd70ed76fb

SHA256
a711c157dc219200d7c3a0f7f2fa4b1abf63be036c825153785755e59cedca5c

SHA512
8a9ad5a0e992f632f3760351fc6171b7a3e196766a778a10b4395b2e2b49308cc96cf3b56b7633905787b673ba96ea6139f6fed93317ed3fb18b636b512d5b10

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
d2c0dd76e05e3ed2106089468b2d65a2

SHA1
642967312de7e370e19515651b6cb460bec6e87e

SHA256
13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3

SHA512
8e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a

Download Submit
memory/1148-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1148-12-0x0000000000270000-0x0000000000286000-memory.dmp

Filesize
88KB

Download
memory/1148-21-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/1148-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1256-18-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads