5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa

General

Target

5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Size

74KB
MD5

6e60e0a26419e90b8876f02464a2e880
SHA1

34890edc24eb8abacbbcfc88eee6ebf5a84ae6a7
SHA256

5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa
SHA512

ebdfcd2783dd78fc57df73a44bdf289263d50fcf1dcd62d4049e5a679e3b4bc86d8b194d8f961805a2d77444ce514aadcc183398feff0209cbfde2c695cff0c9
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOrl1:GhfxHNIreQm+HiYl1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
808	rundll32.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\" %*"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.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	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
File created	C:\Windows\SysWOW64\¢«.exe	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
File created	C:\Windows\system\rundll32.exe	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717201777"	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\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717201777"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
808	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
808	rundll32.exe
808	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 808	2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	85
PID 2364 wrote to memory of 808	2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	85
PID 2364 wrote to memory of 808	2364	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	85

C:\Users\Admin\AppData\Local\Temp\5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
"C:\Users\Admin\AppData\Local\Temp\5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.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:2364
- 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:808

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
75KB

MD5
8b2a1f300833c4da604cf9fb02a92451

SHA1
8d8b2b8089711bb8533d42b0b1187c45aaea2a88

SHA256
4a9465875085e8e457acc11eb47ee987793dc95de9c056a2a5fdc35bea9de599

SHA512
b17bf1e4e65ee984c6d9df1aae3362136cb8b29351b7b3c672500f236ff186fcc7dea257ec7d2d6f5154461a263dc7d7d5dce70a530f495a16d6527f5740d490

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

Filesize
85KB

MD5
2c9537a827804a1d58d3e0c96753b70e

SHA1
c4d3c46821c1cb7c66732a8a3d062915bcfb1565

SHA256
231ec27d977ceeb9017fcfeab3796c9f9fe53915439ae7826ebc1c5a6a45052b

SHA512
f53430f67132d0d6ea70520bd9e0157869c28bab54622212c808ffb4d00d37f6818ef82771f64ee2250e0d6496405a7041a6e8359d8b7bf3ab8143537be39dba

Download Submit
memory/2364-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2364-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads