blustealer | 15af08408332677507425dd21c6e04fa469e1129c21dc9ae2d830cc5c8aa0642

General

Target

swift.exe
Size

834KB
MD5

ed087331c9c97859d6d30bca5245b42d
SHA1

6f1f422171174486c9de328041a0606273b763aa
SHA256

15af08408332677507425dd21c6e04fa469e1129c21dc9ae2d830cc5c8aa0642
SHA512

336290c2b7b578fd9022b8d2b5708f27be6e56a8ac2cdcc2369a705896ad00a6920c76d295f24715c3063de4e71e7829cccd80a1c63558dc662b7544522daf0a
SSDEEP

12288:nF75eRgPwqoXY+mzoRtbvRT7PJ7Na+6ZmvatTu7Fm8gAxYS6L9ETD:nZ5wXY+mzo3bv/Ra+CmiRusyYD

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/1188-78-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty
behavioral1/memory/1188-79-0x00000000001A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1188-81-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty
behavioral1/memory/1188-83-0x0000000000190000-0x00000000001AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 852 set thread context of 1892	852	swift.exe	31
PID 1892 set thread context of 1188	1892	swift.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
860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
624	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	624	powershell.exe
Token: SeDebugPrivilege	1188	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1892	swift.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 624	852	swift.exe	27
PID 852 wrote to memory of 624	852	swift.exe	27
PID 852 wrote to memory of 624	852	swift.exe	27
PID 852 wrote to memory of 624	852	swift.exe	27
PID 852 wrote to memory of 860	852	swift.exe	29
PID 852 wrote to memory of 860	852	swift.exe	29
PID 852 wrote to memory of 860	852	swift.exe	29
PID 852 wrote to memory of 860	852	swift.exe	29
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 852 wrote to memory of 1892	852	swift.exe	31
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32
PID 1892 wrote to memory of 1188	1892	swift.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\swift.exe
"C:\Users\Admin\AppData\Local\Temp\swift.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QSBpOi.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QSBpOi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp272.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:860
- C:\Users\Admin\AppData\Local\Temp\swift.exe
  "C:\Users\Admin\AppData\Local\Temp\swift.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1892
- - 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:1188

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp272.tmp

Filesize
1KB

MD5
7ace3dc8462a18eca4384afcf97e5b03

SHA1
cccd16c0d877820fade966265dace287ea8959e2

SHA256
fb4b454becc28be433fde621aafaf049fb918b3692f84765404f747605aff507

SHA512
de895bff0866bb860c2e95517d7bee98876e1cf6083cfeeeeb1d3f977c981891a773fd85ecdd92aa858a636f6134fe45cc0e49c0f3b794f4dc4ec153107d6d90

Download Submit
memory/624-87-0x000000006E280000-0x000000006E82B000-memory.dmp

Filesize
5.7MB

Download
memory/624-85-0x000000006E280000-0x000000006E82B000-memory.dmp

Filesize
5.7MB

Download
memory/852-54-0x0000000000C90000-0x0000000000D68000-memory.dmp

Filesize
864KB

Download
memory/852-55-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download
memory/852-56-0x0000000000530000-0x0000000000548000-memory.dmp

Filesize
96KB

Download
memory/852-57-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download
memory/852-58-0x0000000005A70000-0x0000000005AEE000-memory.dmp

Filesize
504KB

Download
memory/852-63-0x0000000004D30000-0x0000000004D58000-memory.dmp

Filesize
160KB

Download
memory/1188-81-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1188-76-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1188-78-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1188-83-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download
memory/1892-69-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-72-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-67-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-65-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-86-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-64-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1892-88-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads