stormkitty | 0bc2a4f1cac47c364ca35ed978d1d34d15546c5d499247e53f94b487f746dd03

Analysis

max time kernel
156s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2022, 12:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

812-63-0x0000000000400000-0x0000000000425000-memory.exe
Size

148KB
MD5

df297b7d37420951d84527e03d84b875
SHA1

9e8cb0c3f76e1b3f18ad0990a9666bb74298469b
SHA256

0bc2a4f1cac47c364ca35ed978d1d34d15546c5d499247e53f94b487f746dd03
SHA512

9d3ddcd254f37c74b2e9690ad726b3243049b1988e71794d6a759f7267bd73666a4cb46abffa37e6745e9e5d62a1fe32a3df522e73ee63c8971464ec8733d040
SSDEEP

1536:LH7w/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioMZYCM99l8INLE2d7tXQQC:LHgZTkLfhjFSiO3o6ZYC7C/dS

Score

10^/10

stormkitty collection 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/908-135-0x00000000005B0000-0x00000000005CA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

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
37	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 984 set thread context of 908	984	812-63-0x0000000000400000-0x0000000000425000-memory.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
984	812-63-0x0000000000400000-0x0000000000425000-memory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
984	812-63-0x0000000000400000-0x0000000000425000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 908	984	812-63-0x0000000000400000-0x0000000000425000-memory.exe	81
PID 984 wrote to memory of 908	984	812-63-0x0000000000400000-0x0000000000425000-memory.exe	81
PID 984 wrote to memory of 908	984	812-63-0x0000000000400000-0x0000000000425000-memory.exe	81
PID 984 wrote to memory of 908	984	812-63-0x0000000000400000-0x0000000000425000-memory.exe	81
PID 984 wrote to memory of 908	984	812-63-0x0000000000400000-0x0000000000425000-memory.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\812-63-0x0000000000400000-0x0000000000425000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\812-63-0x0000000000400000-0x0000000000425000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:984
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/908-135-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/908-136-0x0000000004D70000-0x0000000004DD6000-memory.dmp

Filesize
408KB

Download
memory/908-137-0x0000000005710000-0x00000000057AC000-memory.dmp

Filesize
624KB

Download