stormkitty | 1be8e68d1b2dd61adb2ab357a9cfd6c017bbb944369eedfcb325c0318d220e76

Analysis

max time kernel
105s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2025, 16:33

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General

Target

2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe
Size

21.4MB
MD5

4b44bae57f3f8a807330a93b20e51f40
SHA1

25cc4742c554fa995f5e2da478b7bc270ada32ec
SHA256

1be8e68d1b2dd61adb2ab357a9cfd6c017bbb944369eedfcb325c0318d220e76
SHA512

5b921e808496cdc4e66aa4a026abee7fe5249a5cc6641d863ee8fccdb22ed7ceffddc9a25244fc1775a06fa48794111e57413324134cc125704e7f3e81bb127c
SSDEEP

393216:99he6yOPpF6AwVrrsBQsO8sNtmp+UpFSlduaOznPxa5pYJybhwFtE:99he6P0A5BXOReFPZG0S

Score

10^/10

stormkitty discovery stealer

Malware Config

Signatures

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/3340-2-0x0000000000700000-0x0000000000F00000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 5908 created 3540	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	56

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5908 set thread context of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4676	3340	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe
5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3340	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92
PID 5908 wrote to memory of 3340	5908	2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe
  "C:\Users\Admin\AppData\Local\Temp\2025-03-31_4b44bae57f3f8a807330a93b20e51f40_frostygoop_ghostlocker_sliver.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 1808
    3⤵
    - Program crash
    PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3340 -ip 3340
1⤵
PID:4724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3340-0-0x0000000000700000-0x0000000000F00000-memory.dmp

Filesize
8.0MB

Download
memory/3340-1-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/3340-2-0x0000000000700000-0x0000000000F00000-memory.dmp

Filesize
8.0MB

Download
memory/3340-3-0x00000000054A0000-0x00000000054B2000-memory.dmp

Filesize
72KB

Download
memory/3340-4-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3340-5-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download