stormkitty | 29dbbf1bffa1c271158334e05721f8a7fb76513d5ba0d8c5a5abe267cccdbe4b

Analysis

max time kernel
137s
max time network
145s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
25/07/2022, 09:25

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General

Target
d7b1362070332023e5163fc54bc9decc.exe
Size 136KB
Sample220725-ldngvsbhdm
SHA256 29dbbf1bffa1c271158334e05721f8a7fb76513d5ba0d8c5a5abe267cccdbe4b
MD5 d7b1362070332023e5163fc54bc9decc
SHA1 bb1564bcb6ab26b8af34cf3998b9f49bb37266d2
SHA512 2ab850d5d7067e2d9a0df809ea0bfd0f930cef39c3c20f8edffedeef8813769d4f1d1ad2083420deb279e9e927f1c0cfafd13866625d9135a48ddc38962cb060
MD5 SHA1 SHA512

Score

10^/10

stormkitty collection stealer

Malware Config

Signatures

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

StormKitty payload 4 IoCs

resource	yara_rule
behavioral1/memory/1176-59-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1176-60-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1176-62-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1176-64-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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
4	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1308	d7b1362070332023e5163fc54bc9decc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26
PID 1308 wrote to memory of 1176	1308	d7b1362070332023e5163fc54bc9decc.exe	26

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\d7b1362070332023e5163fc54bc9decc.exe
"C:\Users\Admin\AppData\Local\Temp\d7b1362070332023e5163fc54bc9decc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308
- 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:1176

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/1176-57-0x0000000000090000-0x00000000000AA000-memory.dmp

Download

memory/1176-59-0x0000000000090000-0x00000000000AA000-memory.dmp

Download

memory/1176-62-0x0000000000090000-0x00000000000AA000-memory.dmp

Download

memory/1176-64-0x0000000000090000-0x00000000000AA000-memory.dmp

Download

memory/1308-56-0x0000000075681000-0x0000000075683000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads