6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c

General

Target

6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Size

77KB
MD5

ec0fd03a2c2ea4bdd9d4a22958b62984
SHA1

0110e76cbd3caf0fb4783947d82387a3ca592f98
SHA256

6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c
SHA512

ade2f134daa3d0079847fee7f1ccb4748f65e6d60e25dfb4977997d459acd11030e02413de05eed5fc89a69e955ab7aaf15d70025779e066f8d5fd3e5dad0b49
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOK3b:GhfxHNIreQm+Hir3b

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2560	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.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	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.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\¢«.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
File created	C:\Windows\system\rundll32.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.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¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697100883"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697100883"	rundll32.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	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
2560	rundll32.exe
2560	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29
PID 2308 wrote to memory of 2560	2308	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	29

C:\Users\Admin\AppData\Local\Temp\6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
"C:\Users\Admin\AppData\Local\Temp\6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.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:2308
- 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:2560

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
75KB

MD5
bde1c5c3b8dfb0f31447c196a750fec9

SHA1
4035d962df5b1ec851d2968c3e8d10727c04378b

SHA256
1b8f41cd8a0e31f5c79e632f3073ac5c5c09765b5a873e0a3b565f9e35d775bd

SHA512
d44fc0ad50e211482ee8e42d70733da61eea9a4b924b10caead2a733d6800c77a7f6cc07dab15c6aa914f75e6a9c09033e64b5c69e841760bfea04fad30fda22

Download Submit
C:\Windows\system\rundll32.exe

Filesize
77KB

MD5
ac1fb871475559dd97a55cb3b8b835d9

SHA1
95462c6ca703e44747e2cafa9bff62f64ba9d105

SHA256
00406cec6a5e480e88101e8956d73dce009db10bda833dd7cc6d5dcd87d39cc5

SHA512
50a2bf738e24fc96a333e0142ba96b974dd81089afca74ecb2c05012bf84534e10ced91a7c279e484c6b09b62adcbb9713a520e97509a1c811ac6fbd70ed17f7

Download Submit
C:\Windows\system\rundll32.exe

Filesize
77KB

MD5
ac1fb871475559dd97a55cb3b8b835d9

SHA1
95462c6ca703e44747e2cafa9bff62f64ba9d105

SHA256
00406cec6a5e480e88101e8956d73dce009db10bda833dd7cc6d5dcd87d39cc5

SHA512
50a2bf738e24fc96a333e0142ba96b974dd81089afca74ecb2c05012bf84534e10ced91a7c279e484c6b09b62adcbb9713a520e97509a1c811ac6fbd70ed17f7

Download Submit
\Windows\system\rundll32.exe

Filesize
77KB

MD5
ac1fb871475559dd97a55cb3b8b835d9

SHA1
95462c6ca703e44747e2cafa9bff62f64ba9d105

SHA256
00406cec6a5e480e88101e8956d73dce009db10bda833dd7cc6d5dcd87d39cc5

SHA512
50a2bf738e24fc96a333e0142ba96b974dd81089afca74ecb2c05012bf84534e10ced91a7c279e484c6b09b62adcbb9713a520e97509a1c811ac6fbd70ed17f7

Download Submit
\Windows\system\rundll32.exe

Filesize
77KB

MD5
ac1fb871475559dd97a55cb3b8b835d9

SHA1
95462c6ca703e44747e2cafa9bff62f64ba9d105

SHA256
00406cec6a5e480e88101e8956d73dce009db10bda833dd7cc6d5dcd87d39cc5

SHA512
50a2bf738e24fc96a333e0142ba96b974dd81089afca74ecb2c05012bf84534e10ced91a7c279e484c6b09b62adcbb9713a520e97509a1c811ac6fbd70ed17f7

Download Submit
memory/2308-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2308-11-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/2308-20-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/2308-23-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2308-22-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2560-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2560-24-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads