stormkitty | 32d07422caae2a4ce6ddecdeb2fdf2b390cf1417b00f2c18c2133bd090ac5462

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 17:03

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General

Target

system.exe
Size

84KB
MD5

6f4cef7f422bf580b1ee9a530f9f55c7
SHA1

a78f1d5fd4357c8b9f1a4a25084f209bb7bed607
SHA256

32d07422caae2a4ce6ddecdeb2fdf2b390cf1417b00f2c18c2133bd090ac5462
SHA512

32459d17774caf1a4a653c7d2cda17694ed52a328bccb3e3c40e6d3d58f88451e457ede562a7ec92a2e0af1e9aa461f874258a133e2c024df5d2d2b3cb635f0a
SSDEEP

1536:CGmlU4/wy79rSJ68Jf0gbYv+KYW0hbjPOk06rrSkOHre1AUdls:yyOSJ68Jf0gbYvkDPOkhSkOLeVs

Score

10^/10

stormkitty xworm discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

say-oops.gl.at.ply.gg:35818

Attributes

Install_directory
%Temp%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4928-1-0x0000000000760000-0x000000000077C000-memory.dmp	family_xworm
behavioral2/files/0x0007000000022a67-59.dat	family_xworm

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/4928-64-0x000000001E6E0000-0x000000001E800000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4820	powershell.exe
2572	powershell.exe
4528	powershell.exe
1416	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	system.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	system.exe

Executes dropped EXE 2 IoCs

pid	Process
5112	svchost.exe
2200	svchost.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	system.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
13	ip-api.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4820	powershell.exe
4820	powershell.exe
2572	powershell.exe
2572	powershell.exe
4528	powershell.exe
4528	powershell.exe
1416	powershell.exe
1416	powershell.exe
4928	system.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4928	system.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	4528	powershell.exe
Token: SeDebugPrivilege	1416	powershell.exe
Token: SeDebugPrivilege	4928	system.exe
Token: SeDebugPrivilege	5112	svchost.exe
Token: SeDebugPrivilege	2200	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4928	system.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4820	4928	system.exe	84
PID 4928 wrote to memory of 4820	4928	system.exe	84
PID 4928 wrote to memory of 2572	4928	system.exe	86
PID 4928 wrote to memory of 2572	4928	system.exe	86
PID 4928 wrote to memory of 4528	4928	system.exe	88
PID 4928 wrote to memory of 4528	4928	system.exe	88
PID 4928 wrote to memory of 1416	4928	system.exe	90
PID 4928 wrote to memory of 1416	4928	system.exe	90
PID 4928 wrote to memory of 1392	4928	system.exe	92
PID 4928 wrote to memory of 1392	4928	system.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\system.exe
"C:\Users\Admin\AppData\Local\Temp\system.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\system.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4820
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'system.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2572
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4528
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1416
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1392

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5112

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
dcb1d875e651037e09d7457b4da582d7

SHA1
1bdf4a3355a41aca624b2ab63301c4f1485a3ff4

SHA256
03a42b0929feb2092246507451be4d2d81ae9d80be3c42464fb4afc1aef2eeb5

SHA512
e2788161375e6a0f9a23124eaefce8771c6c1a229937896e0bff4e13cb66112eee658ea04a7669e0db57839a36b5d17ba0a3213763ad7a48fdd4797bf7dc2c5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ftzjorv.cdj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\places.raw

Filesize
5.0MB

MD5
5456bb2e0890a5cac05697f6ade5f77f

SHA1
ac01265302d145807fd91d03ed7707ec384860cc

SHA256
65734a947eb343a15ccb833bd710c96e28f0aabf6da3edf517045e82ed743c04

SHA512
a85371a1942c0f20ec3dfe3d6874599829e771b778f6b633a2df189a93205031e11b954604341dd0943784b176288daa1a0df697594c124d226c9f3d1367ba7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
84KB

MD5
6f4cef7f422bf580b1ee9a530f9f55c7

SHA1
a78f1d5fd4357c8b9f1a4a25084f209bb7bed607

SHA256
32d07422caae2a4ce6ddecdeb2fdf2b390cf1417b00f2c18c2133bd090ac5462

SHA512
32459d17774caf1a4a653c7d2cda17694ed52a328bccb3e3c40e6d3d58f88451e457ede562a7ec92a2e0af1e9aa461f874258a133e2c024df5d2d2b3cb635f0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE939.tmp.dat

Filesize
114KB

MD5
9ba491cb4dbffd47ccf19ca7c0cd2ca9

SHA1
24de0f8ce0f04a8412e552b95da6b95a16e8950a

SHA256
e7251be3dce3833c59542da7a037458fbfe85ffa69d92bb23e850e4178704583

SHA512
a7f628d4d9c38d674f789934f05333a74187369c99ab24d31a58d0e8459096e22f6b32988e0731640880d8afdd4535ba287e48a1eb005dc890cdf078bed0692d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE96F.tmp.dat

Filesize
116KB

MD5
f70aa3fa04f0536280f872ad17973c3d

SHA1
50a7b889329a92de1b272d0ecf5fce87395d3123

SHA256
8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

SHA512
30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

Download Submit
memory/4820-14-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4820-18-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4820-17-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4820-15-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4820-3-0x0000029393A70000-0x0000029393A92000-memory.dmp

Filesize
136KB

Download
memory/4820-6-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4928-62-0x000000001E090000-0x000000001E3E0000-memory.dmp

Filesize
3.3MB

Download
memory/4928-1-0x0000000000760000-0x000000000077C000-memory.dmp

Filesize
112KB

Download
memory/4928-63-0x0000000000F20000-0x0000000000F2C000-memory.dmp

Filesize
48KB

Download
memory/4928-64-0x000000001E6E0000-0x000000001E800000-memory.dmp

Filesize
1.1MB

Download
memory/4928-103-0x000000001C7F0000-0x000000001C8A0000-memory.dmp

Filesize
704KB

Download
memory/4928-104-0x000000001FD80000-0x00000000202A8000-memory.dmp

Filesize
5.2MB

Download
memory/4928-57-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4928-56-0x00007FFFCFFA3000-0x00007FFFCFFA5000-memory.dmp

Filesize
8KB

Download
memory/4928-2-0x00007FFFCFFA0000-0x00007FFFD0A61000-memory.dmp

Filesize
10.8MB

Download
memory/4928-0-0x00007FFFCFFA3000-0x00007FFFCFFA5000-memory.dmp

Filesize
8KB

Download