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
2476	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.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 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
File created	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717201778"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717201778"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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
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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2476	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
2476	rundll32.exe
2476	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29
PID 1892 wrote to memory of 2476	1892	5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe	29

C:\Users\Admin\AppData\Local\Temp\5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.exe
"C:\Users\Admin\AppData\Local\Temp\5f0730782ac9f061f338fa75d380717838c131b99f249e1ee69c8b847f92d2fa.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:1892
- 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:2476

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
81KB

MD5
6fd03e62b35edff02d1538e18f5ee6ba

SHA1
67d9438bc9479efc845a2ee0d28d556466f0bed6

SHA256
f50f841716f8a56d416796a8a67420cf147753e505cb5477e6630ca1905818c4

SHA512
3d9b56b7ba5bb11c5a746d5d4bae1e842428d670e7b4ae3b0b8ca289048cd854c1696879dd98e9cdf9ff8da18f729a2b729aa2a4d9085aaef136bf1d5373f05b

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
ed9d72b7b464e5c88507e89d1725dd86

SHA1
179dc713714f19c20efea5612ef6a4f11036e52e

SHA256
f801fa679bc8793b646f5960e7b25c725752ac5d9b5944327b2703625d82b22f

SHA512
7d5e729ccbad26a5669809230957bcd242a975b4221043c98e5385d0d60bddbb977ec48bf2dda6cc9289c1f4ed41e5d8929f811717fd092560b307a9addd8e4e

Download Submit
memory/1892-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1892-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1892-18-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/1892-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1892-21-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads