blustealer | 9e9f338d922f809d4ecac31b1b2c1bc38de325e848782308997d76eef549951f

General

Target

SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe
Size

660KB
MD5

873bfbea840976bb63f1e7eae546725e
SHA1

7175df3680987e75f1ebb7430c8246400ebf71f4
SHA256

9e9f338d922f809d4ecac31b1b2c1bc38de325e848782308997d76eef549951f
SHA512

f3916908c555f105c3bc293d7d27e5592381a8586dda4d4771742bb537a84040d9d538447b8d22571d941b0caed9443f264b0bf495a7745fb556d9a7b58cdc87
SSDEEP

6144:k4uIrm6rLfOhXDBkyFhI8OZiLsyJ0If3+Nm3cxgU/ZzU:kv6rLClkyFhI8OZiIyJ1us3cxgU/Zz

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/4844-141-0x0000000000B40000-0x0000000000B5A000-memory.dmp	family_stormkitty

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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
49	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4316 set thread context of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4180 set thread context of 4844	4180	vbc.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 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4180	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4316 wrote to memory of 4180	4316	SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe	81
PID 4180 wrote to memory of 4844	4180	vbc.exe	82
PID 4180 wrote to memory of 4844	4180	vbc.exe	82
PID 4180 wrote to memory of 4844	4180	vbc.exe	82
PID 4180 wrote to memory of 4844	4180	vbc.exe	82
PID 4180 wrote to memory of 4844	4180	vbc.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.PackedNET.1293.27162.15596.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.27162.15596.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4180
- - 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:4844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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/4180-133-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4180-137-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4180-142-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4180-145-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4316-132-0x000001B5BC410000-0x000001B5BC4B6000-memory.dmp

Filesize
664KB

Download
memory/4316-136-0x00007FFD7E010000-0x00007FFD7EAD1000-memory.dmp

Filesize
10.8MB

Download
memory/4316-144-0x00007FFD7E010000-0x00007FFD7EAD1000-memory.dmp

Filesize
10.8MB

Download
memory/4844-141-0x0000000000B40000-0x0000000000B5A000-memory.dmp

Filesize
104KB

Download
memory/4844-143-0x0000000004FC0000-0x0000000005026000-memory.dmp

Filesize
408KB

Download
memory/4844-146-0x0000000005A50000-0x0000000005AEC000-memory.dmp

Filesize
624KB

Download

Analysis

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