c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5

General

Target

c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Size

83KB
MD5

6475cca91da328063c15fc675f5b20fc
SHA1

8937aedab2a38ebd7df85cdd46c971ae0c9a72ab
SHA256

c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5
SHA512

dc3ca72d6f96e5a1ec6c8de9f6d5d3366ce57bf7b1ec814a404721eb539e42dbe6fe22aec60f924145d5a95d80a7da2ef635869a8a2adf611f2411adb6cc5c98
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOVrcvj:GhfxHNIreQm+HiQrcvj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2448	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.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	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.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	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
File created	C:\Windows\SysWOW64\¢«.exe	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
File created	C:\Windows\system\rundll32.exe	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe

Modifies registry class 15 IoCs

description	ioc	Process
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	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1724052894"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1724052894"	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	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.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\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2448	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
2448	rundll32.exe
2448	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28
PID 1952 wrote to memory of 2448	1952	c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe	28

C:\Users\Admin\AppData\Local\Temp\c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.exe
"C:\Users\Admin\AppData\Local\Temp\c64295a25af24859892edd27c32c0ee72490a83fe9db4dcf024c5a855bc127c5.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:1952
- 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:2448

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
80KB

MD5
4d6665dc07aa05cb427c693a6ce07f9b

SHA1
7ec976c3ea6ac84abbe300212bee66618d90b083

SHA256
d2b621b8603aa95475e18e1dabfcc27b635ee5b8052e1199b3220f1082db3544

SHA512
390a8863cf4fa9393a16d0957c087db1435b28da601c67e97902ac65ca4293a9802645437495dda124649627766adee2fba5e21e9f9c75a46584651c32b9e484

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
3fe02fa768c781f4019e56eceb1deae4

SHA1
be8bb6184576ae3b75622784930ee411473a81c5

SHA256
488fe3ddb84c7fcbe00f960a7ce6ec7bcf8ecb6dfdce67a7738b9076f3d6dea6

SHA512
a74447833f3e6a565236e1eb1a02d5ca4676d84952f10aefabc50336261f85b8348e9d42d4785f5ebc12861d5656707ac48af2e7694e477de99dd0eb5bd82371

Download Submit
memory/1952-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1952-12-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/1952-17-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/1952-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1952-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2448-22-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads