Malware Analysis Report

2024-09-23 02:57

Sample ID 240705-h64g1axbkd
Target tmp.bin
SHA256 5e5b928e89a0aabc7226211093683fea9e573ed82fd0286eacfdf3953c9062e8
Tags
stormkitty xworm rat stealer trojan spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

5e5b928e89a0aabc7226211093683fea9e573ed82fd0286eacfdf3953c9062e8

Threat Level: Known bad

The file tmp.bin was found to be: Known bad.

Malicious Activity Summary

stormkitty xworm rat stealer trojan spyware

StormKitty

Detect Xworm Payload

StormKitty payload

Xworm

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks SCSI registry key(s)

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-05 07:21

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-05 07:21

Reported

2024-07-05 07:24

Platform

win7-20240704-en

Max time kernel

120s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

StormKitty

stealer stormkitty

StormKitty payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1840 set thread context of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 1840 wrote to memory of 1884 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\system32\WerFault.exe
PID 1840 wrote to memory of 1884 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\system32\WerFault.exe
PID 1840 wrote to memory of 1884 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\tmp.exe

"C:\Users\Admin\AppData\Local\Temp\tmp.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1840 -s 620

Network

Country Destination Domain Proto
NL 185.29.11.111:7000 tcp
NL 185.29.11.111:7000 tcp

Files

memory/1840-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

memory/1840-1-0x0000000001250000-0x000000000125E000-memory.dmp

memory/1840-2-0x000000001B0E0000-0x000000001B0EE000-memory.dmp

memory/1840-4-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

memory/1840-3-0x0000000000560000-0x00000000005C2000-memory.dmp

memory/2464-11-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-14-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-9-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2464-7-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-5-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-16-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-18-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2464-19-0x000000007444E000-0x000000007444F000-memory.dmp

memory/2464-20-0x0000000074440000-0x0000000074B2E000-memory.dmp

memory/1840-21-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

memory/2464-22-0x00000000063A0000-0x00000000064C0000-memory.dmp

memory/1840-46-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

memory/2464-47-0x000000007444E000-0x000000007444F000-memory.dmp

memory/2464-48-0x0000000074440000-0x0000000074B2E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-05 07:21

Reported

2024-07-05 07:25

Platform

win10v2004-20240704-en

Max time kernel

149s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

StormKitty

stealer stormkitty

StormKitty payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1104 set thread context of 628 N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\tmp.exe

"C:\Users\Admin\AppData\Local\Temp\tmp.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 628 -ip 628

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 1744

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /4

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
NL 185.29.11.111:7000 tcp
US 8.8.8.8:53 111.11.29.185.in-addr.arpa udp
NL 185.29.11.111:7000 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1104-0-0x00007FFAC8E43000-0x00007FFAC8E45000-memory.dmp

memory/1104-1-0x000001A57E0A0000-0x000001A57E0AE000-memory.dmp

memory/1104-2-0x000001A518770000-0x000001A51877E000-memory.dmp

memory/1104-3-0x000001A5186E0000-0x000001A518742000-memory.dmp

memory/1104-4-0x00007FFAC8E40000-0x00007FFAC9901000-memory.dmp

memory/628-5-0x0000000000400000-0x000000000040E000-memory.dmp

memory/628-6-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/628-7-0x0000000005510000-0x00000000055AC000-memory.dmp

memory/1104-8-0x00007FFAC8E40000-0x00007FFAC9901000-memory.dmp

memory/628-9-0x0000000074AC0000-0x0000000075270000-memory.dmp

memory/628-10-0x0000000005BB0000-0x0000000005C16000-memory.dmp

memory/628-11-0x00000000065B0000-0x0000000006642000-memory.dmp

memory/628-12-0x0000000006C00000-0x00000000071A4000-memory.dmp

memory/628-13-0x0000000006790000-0x00000000068B0000-memory.dmp

memory/628-14-0x00000000071B0000-0x0000000007504000-memory.dmp

memory/628-15-0x0000000006A10000-0x0000000006A5C000-memory.dmp

memory/628-54-0x0000000074AC0000-0x0000000075270000-memory.dmp

memory/1264-55-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-57-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-56-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-66-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-67-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-64-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-65-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-63-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-62-0x0000017274CF0000-0x0000017274CF1000-memory.dmp

memory/1264-61-0x0000017274CF0000-0x0000017274CF1000-memory.dmp