blustealer | 475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220

General

Target

475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
Size

777KB
MD5

d12022ca18d335ee92a96b409d9d55cf
SHA1

4c6e97447466c3615b8b564d928ae95461717947
SHA256

475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220
SHA512

1334717e0dba0246a9f1ac5f645d67ddcfa1a259e934dae54fb4fabc7fd72638dacabb2d5d3c6cd0b91c8a3270a3a3eb35fed34c15e5c608fd70eee69e358f38
SSDEEP

6144:pfzfih0m+3no6/PNLf2FNoDCSAbWnkkdylvez5LPh5O3a7M8nY4S3aIAATf6GfcE:pfwnJEkXUVPh8K7s3d3TmCtYY7LBZw

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774

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/1544-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1544-79-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1544-81-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1544-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 784 set thread context of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 1204 set thread context of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31

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
1168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
936	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
Token: SeDebugPrivilege	936	powershell.exe
Token: SeDebugPrivilege	1544	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 936	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	26
PID 784 wrote to memory of 936	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	26
PID 784 wrote to memory of 936	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	26
PID 784 wrote to memory of 936	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	26
PID 784 wrote to memory of 1168	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	28
PID 784 wrote to memory of 1168	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	28
PID 784 wrote to memory of 1168	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	28
PID 784 wrote to memory of 1168	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	28
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 784 wrote to memory of 1204	784	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	30
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31
PID 1204 wrote to memory of 1544	1204	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
"C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XDmcVzcsfBo.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:936
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDmcVzcsfBo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5487.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1168
- C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
  "C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1204
- - 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:1544

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\tmp5487.tmp

Filesize
1KB

MD5
4ec4b04360ab7060b29c67101cd13267

SHA1
271278023ef4b1149b39f8ae568d62c042b86c23

SHA256
f78c95ada2b5daf7aa8e71738f1d8b36f14be55a7245126d9563cae62a2f66f8

SHA512
d20ba70ea3ba8b03dbc0768e99906e71e90cedbbd20ad02c2694a22271d1ec5a63a8d7b1304d7f70b7729d00889b9c76dd6771b1203fcfc19cf9c850bfd133d5

Download Submit
memory/784-54-0x0000000000F30000-0x0000000000FF8000-memory.dmp

Filesize
800KB

Download
memory/784-55-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/784-56-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download
memory/784-57-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/784-58-0x0000000005B90000-0x0000000005C12000-memory.dmp

Filesize
520KB

Download
memory/784-63-0x0000000004980000-0x00000000049AA000-memory.dmp

Filesize
168KB

Download
memory/936-87-0x0000000072F40000-0x00000000734EB000-memory.dmp

Filesize
5.7MB

Download
memory/936-86-0x0000000072F40000-0x00000000734EB000-memory.dmp

Filesize
5.7MB

Download
memory/1204-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-72-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-85-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-88-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1544-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1544-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1544-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1544-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads