stormkitty | 9bca28e8dbaecaadc97b1806a97c0d6410b3a10b682e7cb8331693e06c77d8a1

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 05:52

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General

Target

202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
Size

3.6MB
MD5

2cf5cddefdb9208bea01442cad44896d
SHA1

1b2f02ed71659f7fa21d8ac3ca9d18ee90b13097
SHA256

9bca28e8dbaecaadc97b1806a97c0d6410b3a10b682e7cb8331693e06c77d8a1
SHA512

e063b1ee8852260a741d56222acb5f0b7318d78d9bb9b0a54abedce97af7ae3c5492fc4136861f1c8c1b4dace87b1b694e15bcd9e4f0f27e5d6ef0a9a997840b
SSDEEP

98304:ze3/NQcGeqxQat113OU/jIEeQfoR/IuOFVjUu5:zGmreqxV13FIF0wu

Score

10^/10

stormkitty xworm discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Attributes

install_file
USB.exe
pastebin_url
https://pastebin.com/raw/wEzYtSg6

Signatures

Detect Xworm Payload 12 IoCs

resource	yara_rule
behavioral2/memory/1156-11-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/1156-12-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/1156-14-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/1156-15-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/files/0x0007000000023570-22.dat	family_xworm
behavioral2/memory/4332-88-0x0000000000EB0000-0x0000000000EC4000-memory.dmp	family_xworm
behavioral2/memory/1156-147-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/4628-151-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/4628-264-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/4628-265-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/4628-282-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm
behavioral2/memory/4628-344-0x0000000000400000-0x00000000004D0000-memory.dmp	family_xworm

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

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/4332-283-0x000000001D130000-0x000000001D250000-memory.dmp	family_stormkitty

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

Checks computer location settings 2 TTPs 2 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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 4 IoCs

pid	Process
4332	._cache_202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
2892	Synaptics.exe
4628	Synaptics.exe
2956	._cache_Synaptics.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
28	pastebin.com
29	pastebin.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 2892 set thread context of 4628	2892	Synaptics.exe	100

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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe

Checks processor information in registry 2 TTPs 3 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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4056	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4332	._cache_202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
Token: SeDebugPrivilege	2956	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4056	EXCEL.EXE
4056	EXCEL.EXE
4056	EXCEL.EXE
4056	EXCEL.EXE
4056	EXCEL.EXE
4056	EXCEL.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1160 wrote to memory of 1156	1160	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	97
PID 1156 wrote to memory of 4332	1156	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	98
PID 1156 wrote to memory of 4332	1156	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	98
PID 1156 wrote to memory of 2892	1156	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	99
PID 1156 wrote to memory of 2892	1156	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	99
PID 1156 wrote to memory of 2892	1156	202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe	99
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 2892 wrote to memory of 4628	2892	Synaptics.exe	100
PID 4628 wrote to memory of 2956	4628	Synaptics.exe	102
PID 4628 wrote to memory of 2956	4628	Synaptics.exe	102

C:\Users\Admin\AppData\Local\Temp\202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
"C:\Users\Admin\AppData\Local\Temp\202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
  "C:\Users\Admin\AppData\Local\Temp\202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Users\Admin\AppData\Local\Temp\._cache_202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4332
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:4628
    - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2956

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4292,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8
1⤵
PID:2916

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
3.6MB

MD5
2cf5cddefdb9208bea01442cad44896d

SHA1
1b2f02ed71659f7fa21d8ac3ca9d18ee90b13097

SHA256
9bca28e8dbaecaadc97b1806a97c0d6410b3a10b682e7cb8331693e06c77d8a1

SHA512
e063b1ee8852260a741d56222acb5f0b7318d78d9bb9b0a54abedce97af7ae3c5492fc4136861f1c8c1b4dace87b1b694e15bcd9e4f0f27e5d6ef0a9a997840b

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_202409302cf5cddefdb9208bea01442cad44896davoslockerhijackloader.exe

Filesize
56KB

MD5
58309af0f1139095eb1eaabcd725063c

SHA1
f7d419e58597f9e3babac8e4f0066fd0f1ddf5ed

SHA256
6acae1df5780f41a9b3d291aacca815f55a4a82b2a4bbfb275cce13a05bd2311

SHA512
057e53ced55171d21f67f4464845290710a5c8072632e05f98683e2d78d3b6a06dd94d190e8a4965b134386e5d9040fb6891eb84ff1c9b09f42fab8ce9512a03

Download Submit
C:\Users\Admin\AppData\Local\Temp\94A85E00

Filesize
24KB

MD5
e30c951132b83018189bfa9c71da13a6

SHA1
70fbab5f35f4f4ef1acaf4c459da7459230127b0

SHA256
fa9c0dca896a74537fc1e842d0b41117123ef8a60d395f228ff3cfb5a14a349f

SHA512
d37fbeb7aec99127b48f95a5997416f5a15cc92425648d47322e2a34b645b6eb665946eff9954ccdee62707859b259c635ccd745e3661f99939a7cd2a086fbba

Download Submit
C:\Users\Admin\AppData\Local\Temp\YZ4vFCEn.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/1156-11-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1156-147-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1156-16-0x0000000003500000-0x0000000003501000-memory.dmp

Filesize
4KB

Download
memory/1156-15-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1156-14-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1156-12-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1160-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/1160-10-0x000000000B4F0000-0x000000000B58C000-memory.dmp

Filesize
624KB

Download
memory/1160-9-0x0000000008CF0000-0x0000000008E02000-memory.dmp

Filesize
1.1MB

Download
memory/1160-8-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/1160-7-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/1160-6-0x0000000005D60000-0x0000000005D70000-memory.dmp

Filesize
64KB

Download
memory/1160-19-0x0000000074A40000-0x00000000751F0000-memory.dmp

Filesize
7.7MB

Download
memory/1160-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/1160-4-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

Filesize
40KB

Download
memory/1160-3-0x0000000005B30000-0x0000000005BC2000-memory.dmp

Filesize
584KB

Download
memory/1160-2-0x00000000060E0000-0x0000000006684000-memory.dmp

Filesize
5.6MB

Download
memory/1160-1-0x0000000000D20000-0x00000000010C8000-memory.dmp

Filesize
3.7MB

Download
memory/4056-219-0x00007FFD9ACD0000-0x00007FFD9ACE0000-memory.dmp

Filesize
64KB

Download
memory/4056-277-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-214-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-215-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-213-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-216-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-217-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-218-0x00007FFD9ACD0000-0x00007FFD9ACE0000-memory.dmp

Filesize
64KB

Download
memory/4056-278-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-279-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4056-280-0x00007FFD9D410000-0x00007FFD9D420000-memory.dmp

Filesize
64KB

Download
memory/4332-87-0x00007FFDBE003000-0x00007FFDBE005000-memory.dmp

Filesize
8KB

Download
memory/4332-88-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/4332-148-0x000000001BB00000-0x000000001BC02000-memory.dmp

Filesize
1.0MB

Download
memory/4332-283-0x000000001D130000-0x000000001D250000-memory.dmp

Filesize
1.1MB

Download
memory/4332-319-0x000000001BC10000-0x000000001BC32000-memory.dmp

Filesize
136KB

Download
memory/4628-264-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4628-265-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4628-151-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4628-282-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4628-344-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads