blustealer | 126f5c52f11be3cd3a1d0abfb756975a103999757b90e64abc5d415d04c6689c

General

Target

SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe
Size

175KB
MD5

abe6ca791db534c12bef5ea422084c09
SHA1

3f27e6e2860e37ec43d95e56544baee9d7c5ba2d
SHA256

126f5c52f11be3cd3a1d0abfb756975a103999757b90e64abc5d415d04c6689c
SHA512

7e6c4b33f4ddbb2cd947fa07230e615d2dd5cdb27be3f3b959e51db79646f480c74bbf61decb071a80e5855acfd055b765fe71cc6b1e114f0b5857ef07bb9fb9
SSDEEP

3072:d2mRPME2xzNrb7Hac9VjFGfe/B8bv8zYUvsNs14avcvLtSzqJEVDR:d202xzNf7HauVjFGfmKiYhsGavMLtXEV

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/1276-72-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1276-71-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1276-74-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1276-76-0x0000000000090000-0x00000000000AA000-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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 1364 set thread context of 1276	1364	Regsvcs.exe	29

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	1276	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1364	Regsvcs.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 2012 wrote to memory of 1364	2012	SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe	28
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29
PID 1364 wrote to memory of 1276	1364	Regsvcs.exe	29

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.Win64.PWSX-gen.31026.16859.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSX-gen.31026.16859.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1364
- - 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:1276

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/1276-69-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1276-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1276-74-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1276-71-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1364-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1364-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1364-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1364-68-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1364-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1364-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1364-78-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1364-79-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2012-54-0x0000000000F80000-0x0000000000FB2000-memory.dmp

Filesize
200KB

Download
memory/2012-56-0x0000000000770000-0x000000000077A000-memory.dmp

Filesize
40KB

Download
memory/2012-55-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download

Analysis

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