blustealer | f218fa4276e991739589e3f96b0abc8f53d499b88f2d824beedc01ce49e53bcc

General

Target

SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe
Size

171KB
MD5

3f302c49278e12a784224ab5e843b550
SHA1

ca15f2c458dc63f69d96c9b61437326f8a9f37fd
SHA256

f218fa4276e991739589e3f96b0abc8f53d499b88f2d824beedc01ce49e53bcc
SHA512

edbb3d882dec265c45fe529ea90849ecfa67152a9eb13d108a15dd0f97c0376649d6a0ab65c2745925cd8bc5460c7a5475971e9b7c4408d5be5153cdecad452c
SSDEEP

3072:UWF+Dtae1EdgDt+Tr9lxGs3bRQ1t9VArqOuwBgvuXkJ0eiMNsTEmSHm:UWEDt1Ed28lxGs3bR8t9uBuYgvuXkJX8

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 4 IoCs

resource	yara_rule
behavioral1/memory/1820-71-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty
behavioral1/memory/1820-72-0x00000000001A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1820-74-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty
behavioral1/memory/1820-76-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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
3	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1044 set thread context of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1640 set thread context of 1820	1640	cvtres.exe	28

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	1820	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1640	cvtres.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1044 wrote to memory of 1640	1044	SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe	27
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28
PID 1640 wrote to memory of 1820	1640	cvtres.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1640
- - 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:1820

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/1044-54-0x00000000011B0000-0x00000000011E0000-memory.dmp

Filesize
192KB

Download
memory/1044-55-0x00000000002F0000-0x00000000002FC000-memory.dmp

Filesize
48KB

Download
memory/1044-56-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/1640-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-78-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-68-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1640-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-79-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-69-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1820-74-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1820-76-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1820-71-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download

Analysis

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