blustealer | a01a796237b902283c1dedf65170d1bc27c295c5862c5f57d49851c81930e960

General

Target

SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
Size

512KB
MD5

d6d2eab2c47696c506e2c7fb2641e70c
SHA1

a72a143ea22c8ecce60ad941075cf10d6b75db54
SHA256

a01a796237b902283c1dedf65170d1bc27c295c5862c5f57d49851c81930e960
SHA512

cb4bdfb7bba514d7e28d8337a3b94c271741e3b5429f2d1ab3d12854f3674241642d648050c57bc931cbd3c6b89ae03b6f5f5a242a3c3b9eb12ef9d37ee6ade6
SSDEEP

12288:aBRpMQ140VDCjnScvA60rtrhOm4jA0khG8o9S99jq:OUQ1pVejmplIjA0kho9K9j

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5412597166:AAGUaWxuTxxhNb-NRhiURcTMzuW9nhGoEs/sendMessage?chat_id=932962718

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/4012-155-0x0000000000FA0000-0x0000000000FBA000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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
32	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5080 set thread context of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 572 set thread context of 4012	572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	93

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
3880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
4584	powershell.exe
4584	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
Token: SeDebugPrivilege	4584	powershell.exe
Token: SeDebugPrivilege	4012	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4584	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	87
PID 5080 wrote to memory of 4584	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	87
PID 5080 wrote to memory of 4584	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	87
PID 5080 wrote to memory of 3880	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	89
PID 5080 wrote to memory of 3880	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	89
PID 5080 wrote to memory of 3880	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	89
PID 5080 wrote to memory of 376	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	91
PID 5080 wrote to memory of 376	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	91
PID 5080 wrote to memory of 376	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	91
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 5080 wrote to memory of 572	5080	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	92
PID 572 wrote to memory of 4012	572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	93
PID 572 wrote to memory of 4012	572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	93
PID 572 wrote to memory of 4012	572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	93
PID 572 wrote to memory of 4012	572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	93
PID 572 wrote to memory of 4012	572	SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pSTUfXtcQIHKE.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4584
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pSTUfXtcQIHKE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB12.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3880
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe"
  2⤵
  PID:376
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32165.32177.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:572
- - 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:4012

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\tmpBB12.tmp

Filesize
1KB

MD5
c4ec070c7dd712df93e3e9c890b8eb07

SHA1
834fa80edc3d545eb585d1c6f97e1f1c6d8d45f2

SHA256
7f7ad63687c11be6636cbc98fa5754fbc29f2e49c6fb94f73b04117c3aee3a8e

SHA512
2f7cd764426f84b0b31a346742205b17665b3b27ed848ecaac85d649eb1ef7bd9d8d8875c7996948a192741a9eae78f1fba8aeb7e0dd49292cc32d201ad9c4ab

Download Submit
memory/572-167-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4012-155-0x0000000000FA0000-0x0000000000FBA000-memory.dmp

Filesize
104KB

Download
memory/4584-140-0x0000000002320000-0x0000000002356000-memory.dmp

Filesize
216KB

Download
memory/4584-161-0x0000000006F50000-0x0000000006F6A000-memory.dmp

Filesize
104KB

Download
memory/4584-166-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/4584-149-0x0000000004DD0000-0x00000000053F8000-memory.dmp

Filesize
6.2MB

Download
memory/4584-150-0x0000000004C90000-0x0000000004CB2000-memory.dmp

Filesize
136KB

Download
memory/4584-165-0x0000000007290000-0x00000000072AA000-memory.dmp

Filesize
104KB

Download
memory/4584-152-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/4584-153-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/4584-164-0x0000000007190000-0x000000000719E000-memory.dmp

Filesize
56KB

Download
memory/4584-163-0x00000000071D0000-0x0000000007266000-memory.dmp

Filesize
600KB

Download
memory/4584-156-0x0000000005C40000-0x0000000005C5E000-memory.dmp

Filesize
120KB

Download
memory/4584-157-0x0000000006220000-0x0000000006252000-memory.dmp

Filesize
200KB

Download
memory/4584-158-0x0000000070830000-0x000000007087C000-memory.dmp

Filesize
304KB

Download
memory/4584-159-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/4584-160-0x0000000007590000-0x0000000007C0A000-memory.dmp

Filesize
6.5MB

Download
memory/4584-162-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

Filesize
40KB

Download
memory/5080-132-0x00000000009F0000-0x0000000000A70000-memory.dmp

Filesize
512KB

Download
memory/5080-134-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/5080-135-0x0000000005650000-0x00000000057F6000-memory.dmp

Filesize
1.6MB

Download
memory/5080-136-0x00000000055C0000-0x00000000055CA000-memory.dmp

Filesize
40KB

Download
memory/5080-137-0x0000000001320000-0x00000000013BC000-memory.dmp

Filesize
624KB

Download
memory/5080-133-0x00000000058B0000-0x0000000005E54000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads