2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9

General

Target

2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Size

78KB
MD5

87585e2d7c543767a11e862c6a17f687
SHA1

f68f259058034530bbed73867004a7c799611d07
SHA256

2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9
SHA512

f279a112137e7f0a1050b79e489e91219c77862a16ccdd6894473b3b51025e5dbf0a5b441282c154a05cbeb4a08b905f145f0743bc80c7c92370e52b9ed12cde
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOQjd7:GhfxHNIreQm+HibN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1568	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.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\" %*"	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.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	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
File created	C:\Windows\SysWOW64\¢«.exe	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
File created	C:\Windows\system\rundll32.exe	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.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	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1729236097"	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¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1729236097"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1568	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
1568	rundll32.exe
1568	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30
PID 2848 wrote to memory of 1568	2848	2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe	30

C:\Users\Admin\AppData\Local\Temp\2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.exe
"C:\Users\Admin\AppData\Local\Temp\2130041c7a42ad6d0ee8a55d1ce7c27f3e199bcdafb9e494b3d3a08686e1e4e9.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:2848
- 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:1568

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
77KB

MD5
610fe5ad40f80b0e0c120a8fcf55c5be

SHA1
d68c5d87bf1823517dd62d0066ef27f9b6d5b0c0

SHA256
20e1bf14f5cf8dcb3b4187535c38bdd293e102bf7fa814b0cbcac27d2739af29

SHA512
860ff3b0f374c89d5397b78e4c6daf735cb630b69f07d2c6f91c5be5f69663fb1b122f8616177499d3b7a8251658d4368dc1bff7ce0b2873f23f4d96e5f39e58

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
9eae18a1071cd61fea4e0bb1e95c974c

SHA1
20ad392eddddfc7f410de3bd7ef9a85747e0c061

SHA256
b10b5b4a4abf0e1a1278d37f36c98fabb011257acdc503090abc56682a639f1f

SHA512
fe0b979fd86522b37a9a851134ba94e17053395137c66f80de141bb8a877018d764330dd179b940db7e90c1046cc35ea42e6758ffca50855e291ea586ca0c0b3

Download Submit
memory/1568-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2848-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2848-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/2848-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2848-20-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads