stormkitty | 0bc5507459089bd447b1b84408798ccf2e3142cbce1dbba0634ed2e075e35408

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 16:07

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General

Target

b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe
Size

263KB
MD5

885c72a729b202512aadc7c7a69d129d
SHA1

aa79d439039050d55e6c01d116926ee3852c8d34
SHA256

b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7
SHA512

52fd34ef5cde4ee8618774f69c8989e3e5431c2eccd226fa1b06382ad423ca897d5ba374c2ed1720fea0c58e777f41ba435e02867d446a216b1871933fd25a0b
SSDEEP

6144:IDKW1Lgbdl0TBBvjc/DnMugecPSgoUS/ySQha:Oh1Lk70TnvjcwugDLkySt

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/0x000a0000000120d6-64.dat	family_stormkitty
behavioral1/memory/2624-69-0x0000000001290000-0x00000000012BE000-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/2684-1-0x0000000001FA0000-0x0000000001FD2000-memory.dmp	net_reactor
behavioral1/memory/2684-2-0x0000000002160000-0x0000000002192000-memory.dmp	net_reactor
behavioral1/memory/2684-5-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-7-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-8-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-40-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-60-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-58-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-56-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-54-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-52-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-50-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-48-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-46-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-44-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-42-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-38-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-36-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-34-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-32-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-30-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-28-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-26-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-24-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-22-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-20-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-18-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-16-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-14-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-12-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor
behavioral1/memory/2684-10-0x0000000002160000-0x000000000218B000-memory.dmp	net_reactor

Executes dropped EXE 1 IoCs

pid	Process
2624	Build_Crystal_Stealer.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.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\5565b40850f64963bc6cb8a2b71f18cc\Admin@KHBTHJFA_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Build_Crystal_Stealer.exe
File opened for modification	C:\Users\Admin\AppData\Local\5565b40850f64963bc6cb8a2b71f18cc\Admin@KHBTHJFA_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	Build_Crystal_Stealer.exe
File created	C:\Users\Admin\AppData\Local\5565b40850f64963bc6cb8a2b71f18cc\Admin@KHBTHJFA_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Build_Crystal_Stealer.exe
File opened for modification	C:\Users\Admin\AppData\Local\5565b40850f64963bc6cb8a2b71f18cc\Admin@KHBTHJFA_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	Build_Crystal_Stealer.exe
File created	C:\Users\Admin\AppData\Local\5565b40850f64963bc6cb8a2b71f18cc\Admin@KHBTHJFA_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	Build_Crystal_Stealer.exe
File created	C:\Users\Admin\AppData\Local\5565b40850f64963bc6cb8a2b71f18cc\Admin@KHBTHJFA_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	chcp.com
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.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
568	cmd.exe
3012	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 opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Build_Crystal_Stealer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Build_Crystal_Stealer.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2624	Build_Crystal_Stealer.exe
2624	Build_Crystal_Stealer.exe
2624	Build_Crystal_Stealer.exe
2624	Build_Crystal_Stealer.exe
2624	Build_Crystal_Stealer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe
Token: SeDebugPrivilege	2624	Build_Crystal_Stealer.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2624	2684	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe	30
PID 2684 wrote to memory of 2624	2684	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe	30
PID 2684 wrote to memory of 2624	2684	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe	30
PID 2684 wrote to memory of 2624	2684	b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe	30
PID 2624 wrote to memory of 568	2624	Build_Crystal_Stealer.exe	32
PID 2624 wrote to memory of 568	2624	Build_Crystal_Stealer.exe	32
PID 2624 wrote to memory of 568	2624	Build_Crystal_Stealer.exe	32
PID 2624 wrote to memory of 568	2624	Build_Crystal_Stealer.exe	32
PID 568 wrote to memory of 1296	568	cmd.exe	34
PID 568 wrote to memory of 1296	568	cmd.exe	34
PID 568 wrote to memory of 1296	568	cmd.exe	34
PID 568 wrote to memory of 1296	568	cmd.exe	34
PID 568 wrote to memory of 3012	568	cmd.exe	35
PID 568 wrote to memory of 3012	568	cmd.exe	35
PID 568 wrote to memory of 3012	568	cmd.exe	35
PID 568 wrote to memory of 3012	568	cmd.exe	35
PID 568 wrote to memory of 1256	568	cmd.exe	36
PID 568 wrote to memory of 1256	568	cmd.exe	36
PID 568 wrote to memory of 1256	568	cmd.exe	36
PID 568 wrote to memory of 1256	568	cmd.exe	36
PID 2624 wrote to memory of 1132	2624	Build_Crystal_Stealer.exe	37
PID 2624 wrote to memory of 1132	2624	Build_Crystal_Stealer.exe	37
PID 2624 wrote to memory of 1132	2624	Build_Crystal_Stealer.exe	37
PID 2624 wrote to memory of 1132	2624	Build_Crystal_Stealer.exe	37
PID 1132 wrote to memory of 2264	1132	cmd.exe	39
PID 1132 wrote to memory of 2264	1132	cmd.exe	39
PID 1132 wrote to memory of 2264	1132	cmd.exe	39
PID 1132 wrote to memory of 2264	1132	cmd.exe	39
PID 1132 wrote to memory of 2868	1132	cmd.exe	40
PID 1132 wrote to memory of 2868	1132	cmd.exe	40
PID 1132 wrote to memory of 2868	1132	cmd.exe	40
PID 1132 wrote to memory of 2868	1132	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe
"C:\Users\Admin\AppData\Local\Temp\b9070dcf9e13ebd0187be2084de4c3fe485cd4d38a8bc7a94420fc744fac4ba7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- 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:2624
- - 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:568
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:1296
  - - 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:3012
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      System Location Discovery: System Language Discovery
      PID:1256
- - 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:1132
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:2264
  - - 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:2868

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\4afe061c659a0e0a726e9cea1ba1d146\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

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

Filesize
162KB

MD5
5e9c072eeea44c2bdaa746eefd4eb1e0

SHA1
d62dc2728656cb3d2de02a6abf8b75e94d9fb698

SHA256
3df27764bca3f7bffe8e7fbfc62cf2e88b084077e1216cfd1049e922bb4b73c0

SHA512
03d0258fb5cf0ef78350808e75db6912eccb73ce3e60db916ca7fa5ad36d2da31bcf75628d07242a543530737d9e5154f933d15e9c3a84cde7be8f090ab7379d

Download Submit
memory/2624-169-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2624-145-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2624-141-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2624-71-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2624-69-0x0000000001290000-0x00000000012BE000-memory.dmp

Filesize
184KB

Download
memory/2684-36-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-28-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-60-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-58-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-56-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-54-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-52-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-50-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-48-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-46-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-44-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-42-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-38-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2684-34-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-32-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-30-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-40-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-26-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-24-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-22-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-20-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-18-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-16-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-14-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-12-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-10-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-61-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-8-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-70-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-7-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-5-0x0000000002160000-0x000000000218B000-memory.dmp

Filesize
172KB

Download
memory/2684-4-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-3-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-2-0x0000000002160000-0x0000000002192000-memory.dmp

Filesize
200KB

Download
memory/2684-1-0x0000000001FA0000-0x0000000001FD2000-memory.dmp

Filesize
200KB

Download