stormkitty | b32401f4a1ac0bf0a8c81dc6e7ac5a11c2125d2055f2224cafba44df740684fe

Analysis

max time kernel
100s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 21:26

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General

Target

1a0a33df99b129a04317cda6f9ee8450N.exe
Size

87KB
MD5

1a0a33df99b129a04317cda6f9ee8450
SHA1

6c24864e71f40523418cb273dd2f647686f524f8
SHA256

b32401f4a1ac0bf0a8c81dc6e7ac5a11c2125d2055f2224cafba44df740684fe
SHA512

5473aab64e531ffe53352b8c17fc4dda775f79b3fe900624918a60153727a6111a01b9d10a270149b17f4a3b9399c75fd5c4c85f2f82b956710e879cd3115187
SSDEEP

1536:MexIYG53x/8XNYK5rJx93o8lg/x/G9apbbp3gITPTFO:MeaYG53x/8Xpx9gZ+spbbp3gIrxO

Score

10^/10

stormkitty credential_access discovery spyware 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/4480-1-0x000001B164590000-0x000001B1645AC000-memory.dmp	family_stormkitty

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	1a0a33df99b129a04317cda6f9ee8450N.exe

Reads user/profile data of web browsers 2 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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1456	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1456	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4480	1a0a33df99b129a04317cda6f9ee8450N.exe
4480	1a0a33df99b129a04317cda6f9ee8450N.exe
4480	1a0a33df99b129a04317cda6f9ee8450N.exe
4480	1a0a33df99b129a04317cda6f9ee8450N.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	1a0a33df99b129a04317cda6f9ee8450N.exe
Token: SeIncreaseQuotaPrivilege	3784	wmic.exe
Token: SeSecurityPrivilege	3784	wmic.exe
Token: SeTakeOwnershipPrivilege	3784	wmic.exe
Token: SeLoadDriverPrivilege	3784	wmic.exe
Token: SeSystemProfilePrivilege	3784	wmic.exe
Token: SeSystemtimePrivilege	3784	wmic.exe
Token: SeProfSingleProcessPrivilege	3784	wmic.exe
Token: SeIncBasePriorityPrivilege	3784	wmic.exe
Token: SeCreatePagefilePrivilege	3784	wmic.exe
Token: SeBackupPrivilege	3784	wmic.exe
Token: SeRestorePrivilege	3784	wmic.exe
Token: SeShutdownPrivilege	3784	wmic.exe
Token: SeDebugPrivilege	3784	wmic.exe
Token: SeSystemEnvironmentPrivilege	3784	wmic.exe
Token: SeRemoteShutdownPrivilege	3784	wmic.exe
Token: SeUndockPrivilege	3784	wmic.exe
Token: SeManageVolumePrivilege	3784	wmic.exe
Token: 33	3784	wmic.exe
Token: 34	3784	wmic.exe
Token: 35	3784	wmic.exe
Token: 36	3784	wmic.exe
Token: SeIncreaseQuotaPrivilege	3784	wmic.exe
Token: SeSecurityPrivilege	3784	wmic.exe
Token: SeTakeOwnershipPrivilege	3784	wmic.exe
Token: SeLoadDriverPrivilege	3784	wmic.exe
Token: SeSystemProfilePrivilege	3784	wmic.exe
Token: SeSystemtimePrivilege	3784	wmic.exe
Token: SeProfSingleProcessPrivilege	3784	wmic.exe
Token: SeIncBasePriorityPrivilege	3784	wmic.exe
Token: SeCreatePagefilePrivilege	3784	wmic.exe
Token: SeBackupPrivilege	3784	wmic.exe
Token: SeRestorePrivilege	3784	wmic.exe
Token: SeShutdownPrivilege	3784	wmic.exe
Token: SeDebugPrivilege	3784	wmic.exe
Token: SeSystemEnvironmentPrivilege	3784	wmic.exe
Token: SeRemoteShutdownPrivilege	3784	wmic.exe
Token: SeUndockPrivilege	3784	wmic.exe
Token: SeManageVolumePrivilege	3784	wmic.exe
Token: 33	3784	wmic.exe
Token: 34	3784	wmic.exe
Token: 35	3784	wmic.exe
Token: 36	3784	wmic.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 3784	4480	1a0a33df99b129a04317cda6f9ee8450N.exe	84
PID 4480 wrote to memory of 3784	4480	1a0a33df99b129a04317cda6f9ee8450N.exe	84
PID 4480 wrote to memory of 3976	4480	1a0a33df99b129a04317cda6f9ee8450N.exe	91
PID 4480 wrote to memory of 3976	4480	1a0a33df99b129a04317cda6f9ee8450N.exe	91
PID 3976 wrote to memory of 1456	3976	cmd.exe	93
PID 3976 wrote to memory of 1456	3976	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\1a0a33df99b129a04317cda6f9ee8450N.exe
"C:\Users\Admin\AppData\Local\Temp\1a0a33df99b129a04317cda6f9ee8450N.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3784
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\tmpBA57.tmp.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBA57.tmp.bat

Filesize
170B

MD5
6040b25c9caece1221dc15f4f02f109e

SHA1
4d0b541a67a9177bdfc8f24143e9678f7b53460c

SHA256
1b4b1d2b98c5c56f13b5d14a243c6c2b581b02a04336b04a2da1db662263327c

SHA512
761b92af3f483a8530eb9069570c4bb981be3ebe62af4bf1580d31bfc67dfa17c707dc4f78b94ca6b13bfaa2b6bbecaa4d698bacfa9d217dfb2e7a1ce6150171

Download Submit
memory/4480-0-0x00007FFF8B313000-0x00007FFF8B315000-memory.dmp

Filesize
8KB

Download
memory/4480-1-0x000001B164590000-0x000001B1645AC000-memory.dmp

Filesize
112KB

Download
memory/4480-2-0x000001B164960000-0x000001B16496A000-memory.dmp

Filesize
40KB

Download
memory/4480-3-0x00007FFF8B310000-0x00007FFF8BDD1000-memory.dmp

Filesize
10.8MB

Download
memory/4480-23-0x000001B17EC60000-0x000001B17EC72000-memory.dmp

Filesize
72KB

Download
memory/4480-31-0x00007FFF8B310000-0x00007FFF8BDD1000-memory.dmp

Filesize
10.8MB

Download