Malware Analysis Report

2025-01-18 18:40

Sample ID 220124-btff3shef7
Target a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a
SHA256 a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a
Tags
$2a$10$k4ttb1ip.twe3xgw1t7gd.wztor/xhomyh8q7y0o76ikozhdedc9k 5002 sodinokibi
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a

Threat Level: Known bad

The file a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a was found to be: Known bad.

Malicious Activity Summary

$2a$10$k4ttb1ip.twe3xgw1t7gd.wztor/xhomyh8q7y0o76ikozhdedc9k 5002 sodinokibi

Sodinokibi family

Enumerates connected drives

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-01-24 01:25

Signatures

Sodinokibi family

sodinokibi

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-24 01:25

Reported

2022-01-24 06:58

Platform

win7-en-20211208

Max time kernel

119s

Max time network

137s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a.dll,#1

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\N: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\A: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\F: C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a.dll,#1

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

N/A

Files

memory/1676-55-0x0000000076141000-0x0000000076143000-memory.dmp

memory/760-56-0x000007FEFC0E1000-0x000007FEFC0E3000-memory.dmp

memory/760-58-0x0000000002540000-0x0000000002542000-memory.dmp

memory/760-59-0x0000000002542000-0x0000000002544000-memory.dmp

memory/760-60-0x0000000002544000-0x0000000002547000-memory.dmp

memory/760-57-0x000007FEF34B0000-0x000007FEF400D000-memory.dmp

memory/760-61-0x000000000254B000-0x000000000256A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-01-24 01:25

Reported

2022-01-24 06:58

Platform

win10-en-20211208

Max time kernel

120s

Max time network

128s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a.dll,#1

Signatures

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\J: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\A: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\F: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3944 wrote to memory of 2700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3944 wrote to memory of 2700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3944 wrote to memory of 2700 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\a30e9d09d5962e56f958944acdd7de33e369acfade437743308202f9c975b52a.dll,#1

Network

Country Destination Domain Proto
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
NL 52.109.88.44:443 tcp
US 8.8.8.8:53 oneocsp.microsoft.com udp
US 204.79.197.203:80 oneocsp.microsoft.com tcp

Files

N/A