0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3

General

Target

0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Size

75KB
MD5

0d1ecb483514c9d8f9e79874d7b60c9c
SHA1

144790971a3f1e55f3a004dc1c19b83eae2e191e
SHA256

0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3
SHA512

f130266a7490fda7124666694f0ddf1e06cc289a639484ce245cb9593fb43f77641ff6c59cd57e47d7a4bd7b617848a58bed410d07cfdae2ac630c1a39cd7601
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO/bl:GhfxHNIreQm+Hicbl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4536	rundll32.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	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.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\notepad¢¬.exe	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
File created	C:\Windows\SysWOW64\¢«.exe	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
File opened for modification	C:\Windows\system\rundll32.exe	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	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\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716229533"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716229533"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4536	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
4536	rundll32.exe
4536	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 4536	4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe	87
PID 4952 wrote to memory of 4536	4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe	87
PID 4952 wrote to memory of 4536	4952	0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe	87

C:\Users\Admin\AppData\Local\Temp\0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe
"C:\Users\Admin\AppData\Local\Temp\0f8623d238c17d8cb9782fadb586093eff8b18a4e8983590262b2e4a1ab179a3.exe"
1⤵
- 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:4952
- 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:4536

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
74KB

MD5
b3d8f8b047d99f27ebd270ae6a2b3655

SHA1
9bda9a9ca292f2b10819662034953cd455696fde

SHA256
135ccf5074fbf0a88067b270c714ccfb1e15842361b0a5178a40d870e9887952

SHA512
c1e7137c2c2b160d1c33f6903ec29e3e44443a0010c5ab05b48a20be0e7ff5930133b8c4273eebaac0e0142c3fb3bf17699e6b39e005c40013d5b530c0661f63

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

Filesize
74KB

MD5
544f7d9a9e23e8061c63f9c02a9466b1

SHA1
d95f756925cfc86286509a2b117b3ad71278f355

SHA256
bc63aeb68c69e4c8bfe25bc2d7e9991dd20b08c1a8ccdf77c710e17a5e65b8a1

SHA512
d8358b79ce32aee8526e0644b015ba7bfc9813512a51734d4f02bf6935f3734cdb4891a0d6b87f1e948b6580160f12b191234d63ee0cd607306f5b311967d715

Download Submit
memory/4952-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4952-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads