stormkitty | 69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b

General

Target

69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe
Size

445KB
MD5

0dc1afcab234d559ed8ba999d744b977
SHA1

7bd9f0e8d7f6fec77c6dc716e14cd4db1912ae79
SHA256

69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b
SHA512

9b052b5fa31c31f421ba799c35df763b4c03a424cf58419d57e4aa01e89b384b367bfb91840cfdec1f749d5c3bc6ab52d020ca63ec92639ac05c18d3308ae645
SSDEEP

12288:Hj3HI695n5a4Fgl2qwD3yfrE1IrEtXXqnX9dfbFGBv2F:HbHIw5k2qIyfDQtXXqnXnbwB

Score

10^/10

stormkitty xworm discovery execution rat stealer trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

ltgmxw221.duckdns.org:7000

Mutex

5l3t2Vxz8PRHNnZS

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2676-23-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2676-25-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2676-24-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2676-20-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2676-18-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/2676-27-0x0000000006540000-0x000000000665E000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2712	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 564 set thread context of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2712	powershell.exe
2676	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2676	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2676	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 2712	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	30
PID 564 wrote to memory of 2712	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	30
PID 564 wrote to memory of 2712	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	30
PID 564 wrote to memory of 2712	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	30
PID 564 wrote to memory of 2764	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	32
PID 564 wrote to memory of 2764	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	32
PID 564 wrote to memory of 2764	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	32
PID 564 wrote to memory of 2764	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	32
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34
PID 564 wrote to memory of 2676	564	69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe	34

C:\Users\Admin\AppData\Local\Temp\69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe
"C:\Users\Admin\AppData\Local\Temp\69b9a6e877091453c7666503152f0041be593624eff2c4d9f183963faa2db01b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\drodzWqABTLJq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\drodzWqABTLJq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD70E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD70E.tmp

Filesize
1KB

MD5
58b190d35ec587b4c880b2f278761dfc

SHA1
eba9a865f688c71317c71598ef4c55c3ec29a8a6

SHA256
a47c67c9cc53e9edc100865613b514be6ad3c5cb6ebf8fb02e3f7d8fba17824d

SHA512
b10a01cd66188ff4dc0bdc27b34e4d67c30873cecc09c054d70296eade94af0c1a5b23e90cb0ccda3e7c040396954410e22fca8cc28d06f3881d18ebd8cff2e0

Download Submit
memory/564-26-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/564-1-0x0000000000F50000-0x0000000000FC4000-memory.dmp

Filesize
464KB

Download
memory/564-2-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/564-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

Filesize
72KB

Download
memory/564-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/564-5-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/564-6-0x0000000005B10000-0x0000000005B64000-memory.dmp

Filesize
336KB

Download
memory/564-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2676-14-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-23-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-25-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-18-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-16-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2676-27-0x0000000006540000-0x000000000665E000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads