a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3

General

Target

a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Size

82KB
MD5

28f802bb68379bf429c63555cb8502c5
SHA1

cd04a06c36798fcb51fba93ae4b324930e8ae7f8
SHA256

a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3
SHA512

3c07544290451d494b871a90d5d49f3d8889e6d38a05f1df2e489122e5e64dac9d83a4b13a2e4026d8a1eaa2950ecbb4d5a5beba200da98f72a320445b46226c
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOwN:GhfxHNIreQm+HiV

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2568	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.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	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.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 opened for modification	C:\Windows\SysWOW64\¢«.exe	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
File created	C:\Windows\SysWOW64\¢«.exe	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
File created	C:\Windows\system\rundll32.exe	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.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	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.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\txtfile\shell\open\command\ = "notepad¢¬ %1"	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1726121646"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1726121646"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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\" %*"	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2568	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
2568	rundll32.exe
2568	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30
PID 2532 wrote to memory of 2568	2532	a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe	30

C:\Users\Admin\AppData\Local\Temp\a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.exe
"C:\Users\Admin\AppData\Local\Temp\a514fe6a865b9b069c1760b984061345ed10faf842d63d25bd37ef1ff581c5d3.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:2532
- 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:2568

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

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
74KB

MD5
9e05f17fa5f513a0e3a8b65c124e4a31

SHA1
5dd0c3d1e46d3d080582e6148875f6b1317833ee

SHA256
add0d48fd8f0a05842f352f333db3ecb1533621c75ab186bf1f9dbb29c4107da

SHA512
a63299d08e7767eb8a2f0ab2c6957b17fd82109500768da70e69e7c11b1b2d8a10fee618344f43ad6494b1d822bd3bf27b619eaac63ccb9d25e7cd158d588386

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
fb34041088004f7ee984b5be72f8a3b1

SHA1
9070967e4c16d1722590e97bd998190bf699eef8

SHA256
b243672443a017f461a75681ecd1dfaba2b0902bb3e0f24d7918ce422843b65a

SHA512
50685fa3a497e83a953bfa67bcfd39caffa29d009ade86f064eb3723ae3f4f7cdf0bb0201aa91ac4374b14a36855276ecaa0c40cd321bee198603c6eb39d3eb8

Download Submit
memory/2532-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2532-12-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download
memory/2532-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2532-20-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2568-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads