blustealer | 0aa8c16926f65f1882953c640bcd56c9ca2ed25b1d35461d07d79d47cbdc60af

General

Target

SecuriteInfo.com.Win32.PWSX-gen.7170.exe
Size

1.0MB
MD5

3336f2ce3d9c24e7f98d1646c117e00d
SHA1

d6b0ea87576b8e98917f72077226b1d14f7d46ba
SHA256

0aa8c16926f65f1882953c640bcd56c9ca2ed25b1d35461d07d79d47cbdc60af
SHA512

027ab41873177a893001ab8921ed15ad1a929053a9976134db1c202b983246b075848e1db783b6d5c84ebe01257a20d554a6aea1b25ff1b21d6117d1b520cfa7
SSDEEP

12288:6kNjmkx1761qxU3l15q2T8/J+1Fg3lvRfUlmFsv1Oic7afIe91vYw:6kxmkTyn02kAFg3lpQFbAeH

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

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/1816-78-0x0000000000110000-0x000000000012A000-memory.dmp	family_stormkitty
behavioral1/memory/1816-79-0x0000000000124F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1816-83-0x0000000000110000-0x000000000012A000-memory.dmp	family_stormkitty
behavioral1/memory/1816-81-0x0000000000110000-0x000000000012A000-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

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 856 set thread context of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 472 set thread context of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
1048	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
Token: SeDebugPrivilege	1048	powershell.exe
Token: SeDebugPrivilege	1816	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 1048	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	27
PID 856 wrote to memory of 1048	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	27
PID 856 wrote to memory of 1048	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	27
PID 856 wrote to memory of 1048	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	27
PID 856 wrote to memory of 2008	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	29
PID 856 wrote to memory of 2008	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	29
PID 856 wrote to memory of 2008	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	29
PID 856 wrote to memory of 2008	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	29
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 856 wrote to memory of 472	856	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	31
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32
PID 472 wrote to memory of 1816	472	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	32

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.Win32.PWSX-gen.7170.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7170.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KZSfFht.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZSfFht" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6FD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7170.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7170.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:472
- - 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:1816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF6FD.tmp

Filesize
1KB

MD5
682304f23d36416efbc015fe9d41858a

SHA1
77ac5234589aeaca41b871617f12f5578f93b938

SHA256
640f0e91f493e018536ac41fd2cefd41f1ce943b2509c7c1c24d3c591bf65da7

SHA512
3f9f79e69260da32069225461c521e99b93d22bdd967ef42d39ed225a3cd1ce227b088f77e9c3a00c55fe586177151c33d6922fd5ba85907319577b55065091a

Download Submit
memory/472-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/472-85-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/472-72-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/472-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/472-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/472-88-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/472-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/856-58-0x00000000060C0000-0x000000000615A000-memory.dmp

Filesize
616KB

Download
memory/856-63-0x0000000005180000-0x00000000051C4000-memory.dmp

Filesize
272KB

Download
memory/856-54-0x00000000000A0000-0x00000000001B2000-memory.dmp

Filesize
1.1MB

Download
memory/856-57-0x00000000007E0000-0x00000000007EC000-memory.dmp

Filesize
48KB

Download
memory/856-56-0x00000000007B0000-0x00000000007CA000-memory.dmp

Filesize
104KB

Download
memory/856-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1048-87-0x000000006EE70000-0x000000006F41B000-memory.dmp

Filesize
5.7MB

Download
memory/1048-86-0x000000006EE70000-0x000000006F41B000-memory.dmp

Filesize
5.7MB

Download
memory/1816-83-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/1816-81-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/1816-78-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/1816-76-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads