blustealer | 52e3ee0168f34ab782a8103dc77814efe970b2a0fc5636a7266a4ea3e9bae2e7

General

Target

Ziraat Bankasi Swift Mesaji.exe
Size

21KB
MD5

d865c75250a61c050f69dbb8735581a5
SHA1

3e7d1b0b961ea899e89902977e36b70fd92351a3
SHA256

52e3ee0168f34ab782a8103dc77814efe970b2a0fc5636a7266a4ea3e9bae2e7
SHA512

66f9439bd3f91e47ab4343147fe10d4a01fa1930b8533165744366c922865b59709683e9d453d5b2d80d12715bcb43b6898365026b12bda1817a4c8317d26500

Score

10^/10

blustealer stormkitty collection persistence 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/4680-150-0x0000000000970000-0x000000000098A000-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	Ziraat Bankasi Swift Mesaji.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dtbdiyy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hiaclbrns\\Dtbdiyy.exe\""	Ziraat Bankasi Swift Mesaji.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
44	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1360 set thread context of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 3492 set thread context of 4680	3492	Ziraat Bankasi Swift Mesaji.exe	88

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
384	powershell.exe
384	powershell.exe
1360	Ziraat Bankasi Swift Mesaji.exe
1360	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1360	Ziraat Bankasi Swift Mesaji.exe
Token: SeDebugPrivilege	384	powershell.exe
Token: SeDebugPrivilege	4680	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3492	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 384	1360	Ziraat Bankasi Swift Mesaji.exe	85
PID 1360 wrote to memory of 384	1360	Ziraat Bankasi Swift Mesaji.exe	85
PID 1360 wrote to memory of 384	1360	Ziraat Bankasi Swift Mesaji.exe	85
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 1360 wrote to memory of 3492	1360	Ziraat Bankasi Swift Mesaji.exe	87
PID 3492 wrote to memory of 4680	3492	Ziraat Bankasi Swift Mesaji.exe	88
PID 3492 wrote to memory of 4680	3492	Ziraat Bankasi Swift Mesaji.exe	88
PID 3492 wrote to memory of 4680	3492	Ziraat Bankasi Swift Mesaji.exe	88
PID 3492 wrote to memory of 4680	3492	Ziraat Bankasi Swift Mesaji.exe	88
PID 3492 wrote to memory of 4680	3492	Ziraat Bankasi Swift Mesaji.exe	88

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\Ziraat Bankasi Swift Mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:384
- C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
  "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3492
- - 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:4680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

memory/384-140-0x0000000007E10000-0x000000000848A000-memory.dmp

Filesize
6.5MB

Download
memory/384-141-0x0000000005520000-0x000000000553A000-memory.dmp

Filesize
104KB

Download
memory/384-135-0x0000000002E80000-0x0000000002EB6000-memory.dmp

Filesize
216KB

Download
memory/384-136-0x0000000005A40000-0x0000000006068000-memory.dmp

Filesize
6.2MB

Download
memory/384-137-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/384-138-0x0000000006160000-0x00000000061C6000-memory.dmp

Filesize
408KB

Download
memory/384-139-0x00000000067A0000-0x00000000067BE000-memory.dmp

Filesize
120KB

Download
memory/1360-133-0x0000000006530000-0x0000000006552000-memory.dmp

Filesize
136KB

Download
memory/1360-132-0x0000000000FD0000-0x0000000000FDC000-memory.dmp

Filesize
48KB

Download
memory/3492-152-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3492-143-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3492-145-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3492-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4680-150-0x0000000000970000-0x000000000098A000-memory.dmp

Filesize
104KB

Download
memory/4680-151-0x0000000005A70000-0x0000000005B0C000-memory.dmp

Filesize
624KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads