stormkitty | 5144baf4cb6e87b7b1b7cfe6de66b68b5c0b2a6ddf168d40d415b455b2bec674

General

Target

Diavlo Finder v6.4.exe
Size

497KB
MD5

692fa69d5ee8eab02a4da55ac425a8c9
SHA1

cfe2b73152bf06e10168c8cf017116eab4708e95
SHA256

5144baf4cb6e87b7b1b7cfe6de66b68b5c0b2a6ddf168d40d415b455b2bec674
SHA512

76209f3d46a8d3da76f3385519b9cb9eb38580d85383bdb07e8f478dc9d4959c69cd696d76b35c3fc5889537d8b3dff8523d22622999c2fce82e8c941e2b6123
SSDEEP

3072:1kA3C07E+xbH8lc/q3OyqW4pJtoeJ17o5:6+VNxbclDC11JVo

Score

10^/10

stormkitty xworm discovery execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

C2

38.240.48.77:7000

Attributes

Install_directory
%AppData%
install_file
MicrosoftEdge.exe
telegram
https://api.telegram.org/bot8141936539:AAEQ-Q8U2sv2DRt7L3JfcvVAWufM8aMnIQw/sendMessage?chat_id=6146449389

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/2624-34-0x0000000000E50000-0x0000000000E5E000-memory.dmp	disable_win_def

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2624-1-0x0000000001150000-0x00000000011D0000-memory.dmp	family_xworm
behavioral1/files/0x0006000000004ed7-70.dat	family_xworm
behavioral1/memory/2320-72-0x0000000001060000-0x00000000010E0000-memory.dmp	family_xworm

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/2624-43-0x000000001DE70000-0x000000001DF90000-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
2752	powershell.exe
2784	powershell.exe
2548	powershell.exe
2952	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicrosoftEdge.lnk	Diavlo Finder v6.4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MicrosoftEdge.lnk	Diavlo Finder v6.4.exe

Executes dropped EXE 2 IoCs

pid	Process
2320	MicrosoftEdge.exe
2628	MicrosoftEdge.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdge = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftEdge.exe"	Diavlo Finder v6.4.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	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
2336	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2624	Diavlo Finder v6.4.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2752	powershell.exe
2784	powershell.exe
2548	powershell.exe
2952	powershell.exe
2624	Diavlo Finder v6.4.exe
2624	Diavlo Finder v6.4.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	Diavlo Finder v6.4.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	2624	Diavlo Finder v6.4.exe
Token: SeDebugPrivilege	2320	MicrosoftEdge.exe
Token: SeDebugPrivilege	2628	MicrosoftEdge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2624	Diavlo Finder v6.4.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2752	2624	Diavlo Finder v6.4.exe	32
PID 2624 wrote to memory of 2752	2624	Diavlo Finder v6.4.exe	32
PID 2624 wrote to memory of 2752	2624	Diavlo Finder v6.4.exe	32
PID 2624 wrote to memory of 2784	2624	Diavlo Finder v6.4.exe	34
PID 2624 wrote to memory of 2784	2624	Diavlo Finder v6.4.exe	34
PID 2624 wrote to memory of 2784	2624	Diavlo Finder v6.4.exe	34
PID 2624 wrote to memory of 2548	2624	Diavlo Finder v6.4.exe	36
PID 2624 wrote to memory of 2548	2624	Diavlo Finder v6.4.exe	36
PID 2624 wrote to memory of 2548	2624	Diavlo Finder v6.4.exe	36
PID 2624 wrote to memory of 2952	2624	Diavlo Finder v6.4.exe	38
PID 2624 wrote to memory of 2952	2624	Diavlo Finder v6.4.exe	38
PID 2624 wrote to memory of 2952	2624	Diavlo Finder v6.4.exe	38
PID 2624 wrote to memory of 2336	2624	Diavlo Finder v6.4.exe	40
PID 2624 wrote to memory of 2336	2624	Diavlo Finder v6.4.exe	40
PID 2624 wrote to memory of 2336	2624	Diavlo Finder v6.4.exe	40
PID 980 wrote to memory of 2320	980	taskeng.exe	43
PID 980 wrote to memory of 2320	980	taskeng.exe	43
PID 980 wrote to memory of 2320	980	taskeng.exe	43
PID 980 wrote to memory of 2628	980	taskeng.exe	44
PID 980 wrote to memory of 2628	980	taskeng.exe	44
PID 980 wrote to memory of 2628	980	taskeng.exe	44

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\Diavlo Finder v6.4.exe
"C:\Users\Admin\AppData\Local\Temp\Diavlo Finder v6.4.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2624
- 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\Diavlo Finder v6.4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Diavlo Finder v6.4.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- 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\Roaming\MicrosoftEdge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftEdge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MicrosoftEdge" /tr "C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2336

C:\Windows\system32\taskeng.exe
taskeng.exe {32B854BE-DA83-4693-A983-AD17F131709B} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe
  C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2320
- C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe
  C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\MicrosoftEdge.exe

Filesize
497KB

MD5
692fa69d5ee8eab02a4da55ac425a8c9

SHA1
cfe2b73152bf06e10168c8cf017116eab4708e95

SHA256
5144baf4cb6e87b7b1b7cfe6de66b68b5c0b2a6ddf168d40d415b455b2bec674

SHA512
76209f3d46a8d3da76f3385519b9cb9eb38580d85383bdb07e8f478dc9d4959c69cd696d76b35c3fc5889537d8b3dff8523d22622999c2fce82e8c941e2b6123

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
6407a57d5172ab4da38883ed02083da9

SHA1
0e02b9556cbe9b0e73faf4bf8f3c4f5adfc1f9b9

SHA256
e163ac16258b3a059f5fc53761ec053a24fdb3d34aea0044d4763f85d226e747

SHA512
f851854a0f7a9d5a4dd0397c18d00a0f39dca2064aa205faffecfe0c779c20ec00b2f0984f04dc133bbc99075504167c62bfbcec7c3d2dc9c1032fa234c62c2b

Download Submit
memory/2320-72-0x0000000001060000-0x00000000010E0000-memory.dmp

Filesize
512KB

Download
memory/2624-40-0x000000001AD50000-0x000000001AD84000-memory.dmp

Filesize
208KB

Download
memory/2624-37-0x000000001AD00000-0x000000001AD48000-memory.dmp

Filesize
288KB

Download
memory/2624-73-0x000000001E850000-0x000000001EBA0000-memory.dmp

Filesize
3.3MB

Download
memory/2624-1-0x0000000001150000-0x00000000011D0000-memory.dmp

Filesize
512KB

Download
memory/2624-2-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

Filesize
4KB

Download
memory/2624-67-0x0000000000FB0000-0x0000000000FBE000-memory.dmp

Filesize
56KB

Download
memory/2624-3-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-33-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-34-0x0000000000E50000-0x0000000000E5E000-memory.dmp

Filesize
56KB

Download
memory/2624-35-0x000000001DB80000-0x000000001DE62000-memory.dmp

Filesize
2.9MB

Download
memory/2624-36-0x0000000000F60000-0x0000000000F7C000-memory.dmp

Filesize
112KB

Download
memory/2624-43-0x000000001DE70000-0x000000001DF90000-memory.dmp

Filesize
1.1MB

Download
memory/2624-38-0x0000000000F80000-0x0000000000F88000-memory.dmp

Filesize
32KB

Download
memory/2624-39-0x000000001B810000-0x000000001B8B6000-memory.dmp

Filesize
664KB

Download
memory/2624-0-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

Filesize
4KB

Download
memory/2624-41-0x000000001B0F0000-0x000000001B13A000-memory.dmp

Filesize
296KB

Download
memory/2624-42-0x0000000000F90000-0x0000000000FA6000-memory.dmp

Filesize
88KB

Download
memory/2752-9-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2752-8-0x0000000001EF0000-0x0000000001F70000-memory.dmp

Filesize
512KB

Download
memory/2752-10-0x0000000001F90000-0x0000000001F98000-memory.dmp

Filesize
32KB

Download
memory/2784-17-0x0000000002420000-0x0000000002428000-memory.dmp

Filesize
32KB

Download
memory/2784-16-0x000000001B4A0000-0x000000001B782000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads