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 1 IoCs

resource	yara_rule
behavioral2/memory/3344-152-0x0000000000D10000-0x0000000000D2A000-memory.dmp	family_stormkitty

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.PWSX-gen.7170.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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
59	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4212 set thread context of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 2340 set thread context of 3344	2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	97

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
2904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
1884	powershell.exe
1884	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeDebugPrivilege	3344	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 1884	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	92
PID 4212 wrote to memory of 1884	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	92
PID 4212 wrote to memory of 1884	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	92
PID 4212 wrote to memory of 2904	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	94
PID 4212 wrote to memory of 2904	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	94
PID 4212 wrote to memory of 2904	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	94
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 4212 wrote to memory of 2340	4212	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	96
PID 2340 wrote to memory of 3344	2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	97
PID 2340 wrote to memory of 3344	2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	97
PID 2340 wrote to memory of 3344	2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	97
PID 2340 wrote to memory of 3344	2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	97
PID 2340 wrote to memory of 3344	2340	SecuriteInfo.com.Win32.PWSX-gen.7170.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4212
- 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:1884
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZSfFht" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61F6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2904
- 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:2340
- - 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:3344

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

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp61F6.tmp

Filesize
1KB

MD5
e24a85893e81618e1691a6d00db030e8

SHA1
ef24abded99e633ffe0cd272501292c962c60816

SHA256
64476c16b88ab09a79ea38c20b47a252fb80fd38eca79a5a63262c21ca0d7087

SHA512
a7a484f836e3e62362ca0dd4ea3a3f10ac208b832848a146fb08aedee33ac771bb8ebb4e7c872498860c9db455ee79652a5b7696d1f0c5264619aedb57c88b98

Download Submit
memory/1884-156-0x00000000706D0000-0x000000007071C000-memory.dmp

Filesize
304KB

Download
memory/1884-158-0x00000000076A0000-0x0000000007D1A000-memory.dmp

Filesize
6.5MB

Download
memory/1884-159-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/1884-148-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/1884-164-0x0000000007380000-0x0000000007388000-memory.dmp

Filesize
32KB

Download
memory/1884-160-0x00000000070D0000-0x00000000070DA000-memory.dmp

Filesize
40KB

Download
memory/1884-140-0x00000000047A0000-0x00000000047D6000-memory.dmp

Filesize
216KB

Download
memory/1884-163-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/1884-142-0x0000000004F10000-0x0000000005538000-memory.dmp

Filesize
6.2MB

Download
memory/1884-161-0x00000000072E0000-0x0000000007376000-memory.dmp

Filesize
600KB

Download
memory/1884-155-0x0000000006320000-0x0000000006352000-memory.dmp

Filesize
200KB

Download
memory/1884-153-0x0000000005D40000-0x0000000005D5E000-memory.dmp

Filesize
120KB

Download
memory/1884-147-0x0000000004D90000-0x0000000004DB2000-memory.dmp

Filesize
136KB

Download
memory/1884-157-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/1884-162-0x0000000007290000-0x000000000729E000-memory.dmp

Filesize
56KB

Download
memory/2340-165-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2340-146-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2340-154-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2340-144-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3344-152-0x0000000000D10000-0x0000000000D2A000-memory.dmp

Filesize
104KB

Download
memory/4212-133-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/4212-132-0x0000000000F80000-0x0000000001092000-memory.dmp

Filesize
1.1MB

Download
memory/4212-135-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/4212-134-0x0000000005AC0000-0x0000000005B52000-memory.dmp

Filesize
584KB

Download
memory/4212-137-0x00000000019F0000-0x0000000001A56000-memory.dmp

Filesize
408KB

Download
memory/4212-136-0x0000000009430000-0x00000000094CC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads