stormkitty | fe0cd352f59491d4d6b1f87012707d000155bdce1011df3da371054858bc1497

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2022 08:51

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General

Target

1524-62-0x0000000000400000-0x0000000000427000-memory.exe
Size

156KB
MD5

adaa5df6436e6fcbbbdf86c71f70520d
SHA1

5e7a077ceed48fe582cfd8dfa19993c82fbb4cd9
SHA256

fe0cd352f59491d4d6b1f87012707d000155bdce1011df3da371054858bc1497
SHA512

980a6182b3f99d682e80ca5e191e7a9d7395aac0bb85e560b0664093d28295e0ab7ed492585ab24ac93dfea5e8d27ed062cba6c10c0885f1382fd48144dfdc1b
SSDEEP

1536:2cLlW/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioqR7ALVy4Vm/bSWCksM:SZTkLfhjFSiO3o47YVrWSWCF

Score

10^/10

stormkitty collection 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/1592-135-0x0000000000540000-0x000000000055A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
7	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4368 set thread context of 1592	4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe	80

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 use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 1592	4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe	80
PID 4368 wrote to memory of 1592	4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe	80
PID 4368 wrote to memory of 1592	4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe	80
PID 4368 wrote to memory of 1592	4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe	80
PID 4368 wrote to memory of 1592	4368	1524-62-0x0000000000400000-0x0000000000427000-memory.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\1524-62-0x0000000000400000-0x0000000000427000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1524-62-0x0000000000400000-0x0000000000427000-memory.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4368
- 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:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1592-135-0x0000000000540000-0x000000000055A000-memory.dmp

Filesize
104KB

Download
memory/1592-136-0x00000000025A0000-0x0000000002606000-memory.dmp

Filesize
408KB

Download
memory/1592-137-0x00000000055F0000-0x000000000568C000-memory.dmp

Filesize
624KB

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