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
4616	rundll32.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 opened for modification	C:\Windows\SysWOW64\¢«.exe	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
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

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
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697100896"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\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\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697100896"	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

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4616	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
4616	rundll32.exe
4616	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 4616	1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	86
PID 1776 wrote to memory of 4616	1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	86
PID 1776 wrote to memory of 4616	1776	6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe	86

C:\Users\Admin\AppData\Local\Temp\6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe
"C:\Users\Admin\AppData\Local\Temp\6710637ca908c879df671a16402efea03b8631acc48b1424c2205c6afb77059c.exe"
1⤵
- 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:1776
- 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:4616

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
12250ad7091515371dbbe1843e46e216

SHA1
8775bff5a47a2611520855f61f806fd872256b51

SHA256
0f91cd4ed304db221f087b1ba95b6bd05c3e01ee136004d6fe3d647b4aa55272

SHA512
f2d89ed3c88c0264142bd24cafba0900141583d2fbd17cc131d31dac6f1525585b7a13207be105ad6cffb6c56910ca97399cbb8a5727ee13434ba42b93a087f0

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

Filesize
77KB

MD5
bda7d52f8c06f90f6f08111c4b62ee06

SHA1
6d0fa8ebaefdea2e3e490121d26668b63198f720

SHA256
494dab7da3f9f6f2d51751397636afb7725922c3458b120a194de5d54c7c066b

SHA512
505fdecb6ff2ec8918992b2b39f6e87c8e45ed4aa999d33147c1599a84d6ef385635fa96d219d5aeb9ebd1a8b75bebc6840ab3e20fa00bf36324c6be6ed46789

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

Filesize
77KB

MD5
bda7d52f8c06f90f6f08111c4b62ee06

SHA1
6d0fa8ebaefdea2e3e490121d26668b63198f720

SHA256
494dab7da3f9f6f2d51751397636afb7725922c3458b120a194de5d54c7c066b

SHA512
505fdecb6ff2ec8918992b2b39f6e87c8e45ed4aa999d33147c1599a84d6ef385635fa96d219d5aeb9ebd1a8b75bebc6840ab3e20fa00bf36324c6be6ed46789

Download Submit
memory/1776-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1776-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4616-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads