stormkitty | 4959715beadbe94c91806d8f24906ad0f8496a687005638211599ef4aaed12a8

General

Target
c8923afcc78196f3ab2a7dbce7daff28.exe
Size 1.1MB
Sample240729-d72yca1flp
SHA256 4959715beadbe94c91806d8f24906ad0f8496a687005638211599ef4aaed12a8
MD5 c8923afcc78196f3ab2a7dbce7daff28
SHA1 a696a1ea68a0ce45cae51c0dd26a10144bdd0c9e
SHA512 e779ac622aef234c6cdf240af2e01439f89e1d6963a8e3e764e8c19d02c946f4e25244fd923ada49a5b9bde4d13982218d91e39689eda2b758279682bcc09f1a
SSDEEP 24576:yc1NXaV9x4IUgs36BUI2So5+jnzFoCaGApu8:yq0T+Sk6BU7HIFo7G98
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stormkitty credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Signatures

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/3532-1-0x0000000000D40000-0x0000000000E60000-memory.dmp	family_stormkitty

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads user/profile data of web browsers 2 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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
22	discord.com
24	discord.com
29	discord.com
31	discord.com
21	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	checkip.dyndns.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 4 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
4068	netsh.exe
4304	cmd.exe
444	netsh.exe
2064	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3532	c8923afcc78196f3ab2a7dbce7daff28.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 4304	3532	c8923afcc78196f3ab2a7dbce7daff28.exe	87
PID 3532 wrote to memory of 4304	3532	c8923afcc78196f3ab2a7dbce7daff28.exe	87
PID 4304 wrote to memory of 2304	4304	cmd.exe	89
PID 4304 wrote to memory of 2304	4304	cmd.exe	89
PID 4304 wrote to memory of 444	4304	cmd.exe	90
PID 4304 wrote to memory of 444	4304	cmd.exe	90
PID 4304 wrote to memory of 2916	4304	cmd.exe	91
PID 4304 wrote to memory of 2916	4304	cmd.exe	91
PID 3532 wrote to memory of 2064	3532	c8923afcc78196f3ab2a7dbce7daff28.exe	92
PID 3532 wrote to memory of 2064	3532	c8923afcc78196f3ab2a7dbce7daff28.exe	92
PID 2064 wrote to memory of 3308	2064	cmd.exe	94
PID 2064 wrote to memory of 3308	2064	cmd.exe	94
PID 2064 wrote to memory of 4068	2064	cmd.exe	95
PID 2064 wrote to memory of 4068	2064	cmd.exe	95
PID 2064 wrote to memory of 4472	2064	cmd.exe	96
PID 2064 wrote to memory of 4472	2064	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\c8923afcc78196f3ab2a7dbce7daff28.exe
"C:\Users\Admin\AppData\Local\Temp\c8923afcc78196f3ab2a7dbce7daff28.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2304
- - C:\Windows\system32\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:444
- - C:\Windows\system32\findstr.exe
    findstr All
    3⤵
    PID:2916
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile name=65001 key=clear | findstr Key
  2⤵
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:3308
- - C:\Windows\system32\netsh.exe
    netsh wlan show profile name=65001 key=clear
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:4068
- - C:\Windows\system32\findstr.exe
    findstr Key
    3⤵
    PID:4472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

passwords.txt

Path C:\Users\Admin\AppData\Local\Temp\passwords.txt
Size 1B
SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 68b329da9893e34099c7d8ad5cb9c940
SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
MD5 SHA1 SHA512

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memory/3532-0-0x00007FF9A9373000-0x00007FF9A9375000-memory.dmp

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memory/3532-1-0x0000000000D40000-0x0000000000E60000-memory.dmp

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memory/3532-2-0x0000000003200000-0x000000000320A000-memory.dmp

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memory/3532-3-0x0000000003250000-0x000000000326A000-memory.dmp

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memory/3532-5-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

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memory/3532-23-0x000000001D4B0000-0x000000001D4C2000-memory.dmp

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memory/3532-24-0x000000001D670000-0x000000001D6AC000-memory.dmp

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memory/3532-26-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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