stormkitty | 6ddbc2a9b1726f543b1a77c4c676769650b89bed84cd80e7be16b2433a2b3e44

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2022 09:06

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General

Target

1c7e395639d6a3c03cb310ba7f778a38.exe
Size

144KB
MD5

1c7e395639d6a3c03cb310ba7f778a38
SHA1

4e2547c218da0e3abd1ff1efa3815c8392985521
SHA256

6ddbc2a9b1726f543b1a77c4c676769650b89bed84cd80e7be16b2433a2b3e44
SHA512

75b595c981117277880113c351e674d098f53ac36fa36dc5c1e56601345edcc4979a4fd87bd3c2dbf88ae226374917879721d48de02193031f6c6d598c3f6f13
SSDEEP

1536:e4a/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioTzmM8BdrXX60ksvg:e4yZTkLfhjFSiO3otzHSXc

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/3188-135-0x0000000000B80000-0x0000000000B9A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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
14	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 3188	2476	1c7e395639d6a3c03cb310ba7f778a38.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	3188	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2476	1c7e395639d6a3c03cb310ba7f778a38.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 3188	2476	1c7e395639d6a3c03cb310ba7f778a38.exe	80
PID 2476 wrote to memory of 3188	2476	1c7e395639d6a3c03cb310ba7f778a38.exe	80
PID 2476 wrote to memory of 3188	2476	1c7e395639d6a3c03cb310ba7f778a38.exe	80
PID 2476 wrote to memory of 3188	2476	1c7e395639d6a3c03cb310ba7f778a38.exe	80
PID 2476 wrote to memory of 3188	2476	1c7e395639d6a3c03cb310ba7f778a38.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\1c7e395639d6a3c03cb310ba7f778a38.exe
"C:\Users\Admin\AppData\Local\Temp\1c7e395639d6a3c03cb310ba7f778a38.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476
- 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:3188

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

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Downloads

memory/3188-135-0x0000000000B80000-0x0000000000B9A000-memory.dmp

Filesize
104KB

Download
memory/3188-136-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/3188-137-0x0000000005DF0000-0x0000000005E8C000-memory.dmp

Filesize
624KB

Download