stormkitty | a6c79c4ba510f8263cf18195e3b20537b820a316ea3eb3bf8f8fab2f2b27b84c

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 16:07

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General

Target

ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
Size

263KB
MD5

5c8af2740a5828f8280b7e5cd4a2d851
SHA1

77c382783298daa74ce37c09ef56bdd3d67bb795
SHA256

ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f
SHA512

d6e79b3ba49dadadbfd32f281e4e61a35ba283f805b3457f5d54026cf6fe91bad11d5b0e1ef3d27fa5921bb92920072bf0aa7fbd7042fdf2ea6e3ee9f1dc6202
SSDEEP

6144:ZDKW1Lgbdl0TBBvjc/1yeZNJfyUg5aXoFtKGzchQrvILv+:Jh1Lk70TnvjcNy2yUg5aXGwGYQrva+

Score

10^/10

stormkitty discovery persistence privilege_escalation spyware stealer

Malware Config

Signatures

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

StormKitty payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000700000001211b-64.dat	family_stormkitty
behavioral1/memory/2196-70-0x0000000001140000-0x000000000116E000-memory.dmp	family_stormkitty

.NET Reactor proctector 31 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2708-1-0x0000000001F90000-0x0000000001FC2000-memory.dmp	net_reactor
behavioral1/memory/2708-3-0x0000000001FC0000-0x0000000001FF0000-memory.dmp	net_reactor
behavioral1/memory/2708-6-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-28-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-35-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-39-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-61-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-59-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-57-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-55-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-53-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-51-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-49-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-47-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-45-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-43-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-41-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-37-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-33-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-31-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-29-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-25-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-23-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-21-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-19-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-17-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-15-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-13-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-11-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-9-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor
behavioral1/memory/2708-7-0x0000000001FC0000-0x0000000001FEB000-memory.dmp	net_reactor

Executes dropped EXE 1 IoCs

pid	Process
2196	Build_Crystal_Stealer.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\83223e6be1558eaa13edadb5e50b2c62\Admin@ELZYPTFV_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Build_Crystal_Stealer.exe
File opened for modification	C:\Users\Admin\AppData\Local\83223e6be1558eaa13edadb5e50b2c62\Admin@ELZYPTFV_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Build_Crystal_Stealer.exe
File opened for modification	C:\Users\Admin\AppData\Local\83223e6be1558eaa13edadb5e50b2c62\Admin@ELZYPTFV_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Build_Crystal_Stealer.exe
File created	C:\Users\Admin\AppData\Local\83223e6be1558eaa13edadb5e50b2c62\Admin@ELZYPTFV_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Build_Crystal_Stealer.exe
File created	C:\Users\Admin\AppData\Local\83223e6be1558eaa13edadb5e50b2c62\Admin@ELZYPTFV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Build_Crystal_Stealer.exe
File created	C:\Users\Admin\AppData\Local\83223e6be1558eaa13edadb5e50b2c62\Admin@ELZYPTFV_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	Build_Crystal_Stealer.exe

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

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	Build_Crystal_Stealer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
1620	cmd.exe
1284	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Build_Crystal_Stealer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Build_Crystal_Stealer.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2196	Build_Crystal_Stealer.exe
2196	Build_Crystal_Stealer.exe
2196	Build_Crystal_Stealer.exe
2196	Build_Crystal_Stealer.exe
2196	Build_Crystal_Stealer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
Token: SeDebugPrivilege	2196	Build_Crystal_Stealer.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2196	2708	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe	31
PID 2708 wrote to memory of 2196	2708	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe	31
PID 2708 wrote to memory of 2196	2708	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe	31
PID 2708 wrote to memory of 2196	2708	ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe	31
PID 2196 wrote to memory of 1620	2196	Build_Crystal_Stealer.exe	33
PID 2196 wrote to memory of 1620	2196	Build_Crystal_Stealer.exe	33
PID 2196 wrote to memory of 1620	2196	Build_Crystal_Stealer.exe	33
PID 2196 wrote to memory of 1620	2196	Build_Crystal_Stealer.exe	33
PID 1620 wrote to memory of 1036	1620	cmd.exe	35
PID 1620 wrote to memory of 1036	1620	cmd.exe	35
PID 1620 wrote to memory of 1036	1620	cmd.exe	35
PID 1620 wrote to memory of 1036	1620	cmd.exe	35
PID 1620 wrote to memory of 1284	1620	cmd.exe	36
PID 1620 wrote to memory of 1284	1620	cmd.exe	36
PID 1620 wrote to memory of 1284	1620	cmd.exe	36
PID 1620 wrote to memory of 1284	1620	cmd.exe	36
PID 1620 wrote to memory of 448	1620	cmd.exe	37
PID 1620 wrote to memory of 448	1620	cmd.exe	37
PID 1620 wrote to memory of 448	1620	cmd.exe	37
PID 1620 wrote to memory of 448	1620	cmd.exe	37
PID 2196 wrote to memory of 2332	2196	Build_Crystal_Stealer.exe	38
PID 2196 wrote to memory of 2332	2196	Build_Crystal_Stealer.exe	38
PID 2196 wrote to memory of 2332	2196	Build_Crystal_Stealer.exe	38
PID 2196 wrote to memory of 2332	2196	Build_Crystal_Stealer.exe	38
PID 2332 wrote to memory of 2948	2332	cmd.exe	40
PID 2332 wrote to memory of 2948	2332	cmd.exe	40
PID 2332 wrote to memory of 2948	2332	cmd.exe	40
PID 2332 wrote to memory of 2948	2332	cmd.exe	40
PID 2332 wrote to memory of 1704	2332	cmd.exe	41
PID 2332 wrote to memory of 1704	2332	cmd.exe	41
PID 2332 wrote to memory of 1704	2332	cmd.exe	41
PID 2332 wrote to memory of 1704	2332	cmd.exe	41

C:\Users\Admin\AppData\Local\Temp\ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe
"C:\Users\Admin\AppData\Local\Temp\ad50fbeb07b058ac473e89fb7b0c972ce6579e3927d3142cc43418f82ef5410f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\Build_Crystal_Stealer.exe
  "C:\Users\Admin\AppData\Local\Temp\Build_Crystal_Stealer.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    - Suspicious use of WriteProcessMemory
    PID:1620
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:1036
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Wi-Fi Discovery
      PID:1284
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      System Location Discovery: System Language Discovery
      PID:448
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2332
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:2948
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show networks mode=bssid
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\e24a12fd746f751921fff4acae4988c1\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
\Users\Admin\AppData\Local\Temp\Build_Crystal_Stealer.exe

Filesize
161KB

MD5
261b57ba1798221de96c4daab7baad40

SHA1
7d702c786c31863447dfdb962284c04aef37412d

SHA256
74cad89b3ed3e5a2f3c2e150f08c3ccebf8f4a9fc467b8fb090ffc2269e2779a

SHA512
747d7418d3195e7f32641917eb7431504fcc34ad49ed0b04c27cbb3493aef97d22aadfbf8767c222edcb092ca4e72a09b9b1637db895ceab03b0f760e21d42e3

Download Submit
memory/2196-172-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-148-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-147-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-143-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-73-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-70-0x0000000001140000-0x000000000116E000-memory.dmp

Filesize
184KB

Download
memory/2196-71-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-33-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-19-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-59-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-57-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-55-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-53-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-51-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-49-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-47-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-45-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-43-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-41-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-37-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-0-0x0000000073ACE000-0x0000000073ACF000-memory.dmp

Filesize
4KB

Download
memory/2708-31-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-29-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-25-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-23-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-21-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-61-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-17-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-15-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-13-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-11-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-9-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-7-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-65-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-39-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-35-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-28-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-72-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-6-0x0000000001FC0000-0x0000000001FEB000-memory.dmp

Filesize
172KB

Download
memory/2708-5-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-4-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-3-0x0000000001FC0000-0x0000000001FF0000-memory.dmp

Filesize
192KB

Download
memory/2708-2-0x0000000073AC0000-0x00000000741AE000-memory.dmp

Filesize
6.9MB

Download
memory/2708-1-0x0000000001F90000-0x0000000001FC2000-memory.dmp

Filesize
200KB

Download