blustealer | 6a2c028c55584185a5d359d339567ff04ce23304010deba9c4d1dd38737ded16

General

Target

SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe
Size

660KB
MD5

9f98258e3999f8f168b4336fb309049d
SHA1

8bce6319fcf260d452a3dbe6f2f7a84930355e3a
SHA256

6a2c028c55584185a5d359d339567ff04ce23304010deba9c4d1dd38737ded16
SHA512

9beddc667c595a010117902feee9efccd2de80f3e2e17f9899fbbbbc429c56efe734a2da31474ef488849e10b49afaf8ef9f639dca525762b5dbaf7be22cd94b
SSDEEP

6144:Q3Cr+7J+eXDBkyFhI8OZiLsyJ0If3+Nm3cxgU/ZioA:QSr+1lkyFhI8OZiIyJ1us3cxgU/Zi

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/5084-142-0x0000000000F70000-0x0000000000F8A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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
19	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 528 set thread context of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 4288 set thread context of 5084	4288	Caspol.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	5084	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4288	Caspol.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 528 wrote to memory of 4288	528	SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe	81
PID 4288 wrote to memory of 5084	4288	Caspol.exe	82
PID 4288 wrote to memory of 5084	4288	Caspol.exe	82
PID 4288 wrote to memory of 5084	4288	Caspol.exe	82
PID 4288 wrote to memory of 5084	4288	Caspol.exe	82
PID 4288 wrote to memory of 5084	4288	Caspol.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.7304.15261.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4288
- - 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:5084

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

Loading Replay Monitor...

Downloads

memory/528-132-0x0000014E332F0000-0x0000014E33396000-memory.dmp

Filesize
664KB

Download
memory/528-137-0x00007FF8611F0000-0x00007FF861CB1000-memory.dmp

Filesize
10.8MB

Download
memory/528-145-0x00007FF8611F0000-0x00007FF861CB1000-memory.dmp

Filesize
10.8MB

Download
memory/4288-133-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-136-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-140-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-146-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5084-142-0x0000000000F70000-0x0000000000F8A000-memory.dmp

Filesize
104KB

Download
memory/5084-143-0x0000000005870000-0x00000000058D6000-memory.dmp

Filesize
408KB

Download
memory/5084-144-0x00000000061C0000-0x000000000625C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing