de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3

General

Target

de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Size

1016KB
MD5

16c6ea0d18ddd171e677e926cbc25580
SHA1

05237ef237e46e958c4c806e4d0f5b8a6f34b12f
SHA256

de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3
SHA512

3ce182b6326eb65d8171c409adf57d91f1e3ea44193393264507691451ec9359346c3241dcaafa0a85012071d2a4fcbd3b2a38902e9ad64cca1e96bcfa820b9a
SSDEEP

768:5BBdFYDgao5/AUrLEEzayTpBJfxBDlxcFNXK8D1Foj/:5pcC/eAayJ3Rx0g

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2212	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1728446707"	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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "505"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1728446707"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2212	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
2212	rundll32.exe
2212	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30
PID 1620 wrote to memory of 2212	1620	de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe	30

C:\Users\Admin\AppData\Local\Temp\de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe
"C:\Users\Admin\AppData\Local\Temp\de2ee580995fbebac2b0ae6302a4c6032ad4562f8627aaef44c9a98ed7adfab3N.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2212

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\system\rundll32.exe

Filesize
1.0MB

MD5
02a12e7b082a1c02c0fd4dda8b933974

SHA1
5dcc1ba7d1670746536718dbf36fb863bba6ebab

SHA256
86584e2cce375bd737d391b98d09b0b11016c03c39eef8bb79737d9a2e0e0f01

SHA512
964d8491cc4069ba1df6d0a7c5a19194b92db84774914d69a6e0700e55b4004db741384b4887f12159c5a076a435932b3e84e67bb6ff1a1339b575148878a290

Download Submit
memory/1620-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1620-11-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/1620-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1620-14-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2212-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads