e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee

General

Target

e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Size

77KB
MD5

35f98707e1584a7cb2f48f7da0e3f517
SHA1

b4b522a347eb1e27e0adf21edb821960a9925d01
SHA256

e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee
SHA512

e1f98b5b9c4601fe3f4707deb24fc8a794ad3f64d1b396dce334d9efebae5e4c7a2b7286402f0f546cf32eca339740b3b8e6f6039b30a909ee09d239e9275dbc
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOxhh34UeV8tq:GhfxHNIreQm+HiAIZ/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2228	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.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	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.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	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
File created	C:\Windows\SysWOW64\¢«.exe	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
File opened for modification	C:\Windows\system\rundll32.exe	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.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	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717713501"	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\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717713501"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2228	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
2228	rundll32.exe
2228	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28
PID 1680 wrote to memory of 2228	1680	e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe	28

C:\Users\Admin\AppData\Local\Temp\e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.exe
"C:\Users\Admin\AppData\Local\Temp\e344cc6a93f2ff40bea651042e264de83962504176d6138ac84eba1bd8abe8ee.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:1680
- 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:2228

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
80KB

MD5
b5691d25cc2ba93155b036cf16491e24

SHA1
56f5885280246713d4a70655ecb8a5c9c0ca05e8

SHA256
98f7f6b7cd0b5b17812a56845217078b2b42e7f46b9283b333232b4b5b5bebe8

SHA512
f74ce0dd45b6bc734a2df0e891513912e5de54234fa89167249fa743473a268a6e21be0691b6aa8c312d2ede65b29ac71c7fecc45968809c9948e0833efb21b3

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
ffdae14bc2cce6a60851dba4b496cbd6

SHA1
3fde3e5e07f3fcb2bed158051c807eecf9450c8b

SHA256
6733939b6f37b1e57b07f1103da071f1f47cb3ad17c62442e1f3dc1118067ce9

SHA512
7a517a98a1dabfda7ea41e65ca1954abfcd12c51c3ac77301d8670b5b24c09677f08bfd341d919febb968d914f2a5939f933d1a1dcef61c96a8e1581ed8b2d0c

Download Submit
memory/1680-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1680-18-0x0000000000320000-0x0000000000336000-memory.dmp

Filesize
88KB

Download
memory/1680-17-0x0000000000320000-0x0000000000336000-memory.dmp

Filesize
88KB

Download
memory/1680-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1680-22-0x0000000000320000-0x0000000000336000-memory.dmp

Filesize
88KB

Download
memory/2228-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads