blustealer | 2cd01ed98525d509bfa350ef7e618a0342b0a4b1214adfe5d9b89696ab645d49

General

Target

SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe
Size

185KB
MD5

9511a74b28e3fecc899c07231fa8af5d
SHA1

65f642a4bd81f5f5355bf82fc79f8df2f291a144
SHA256

2cd01ed98525d509bfa350ef7e618a0342b0a4b1214adfe5d9b89696ab645d49
SHA512

a6836225ecd0d54c2916f50f10d8e94326244ca62094082a457092c04edc874b91e055814654df8f137735a52db7ad0a077f629b24bca34784a8708b065ad89a
SSDEEP

1536:pcKHPHdUGOsVUch/1ZjhGIBOrPaOYdSkjiRNqOP3G:LHDSch/71hEbaFSkjiRrP2

Score

10^/10

blustealer stormkitty collection spyware stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5627356603:AAG-Mx0TbSHRRW6IwndrpX3VLZdhd6C-Zac/sendMessage?chat_id=5472437377

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/2816-141-0x0000000000990000-0x00000000009AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
7	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4952 set thread context of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 2092 set thread context of 2816	2092	aspnet_compiler.exe	82

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe
Token: SeDebugPrivilege	2816	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2092	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 4952 wrote to memory of 2092	4952	SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe	81
PID 2092 wrote to memory of 2816	2092	aspnet_compiler.exe	82
PID 2092 wrote to memory of 2816	2092	aspnet_compiler.exe	82
PID 2092 wrote to memory of 2816	2092	aspnet_compiler.exe	82
PID 2092 wrote to memory of 2816	2092	aspnet_compiler.exe	82
PID 2092 wrote to memory of 2816	2092	aspnet_compiler.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoaderNET.447.20530.9920.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2092-134-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2092-136-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2092-139-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2092-143-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2816-141-0x0000000000990000-0x00000000009AA000-memory.dmp

Filesize
104KB

Download
memory/2816-142-0x0000000005130000-0x0000000005196000-memory.dmp

Filesize
408KB

Download
memory/2816-144-0x0000000005A60000-0x0000000005AFC000-memory.dmp

Filesize
624KB

Download
memory/4952-132-0x0000000000770000-0x00000000007A4000-memory.dmp

Filesize
208KB

Download

Analysis

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