blustealer | f9e4451730239448df0b825886e85b1af1ce388697ed890e8d1d4152b09312d0

General

Target

Ziraat Bankasi swift mesaji.exe
Size

859KB
MD5

2aef199a37a0cb73fc832ce7e26da6f3
SHA1

3ced4d57eeaa6d22e2a1b247ce7ae87729e02d5d
SHA256

f9e4451730239448df0b825886e85b1af1ce388697ed890e8d1d4152b09312d0
SHA512

eafe6158ff2c9e26c97a64ff73b886db3a1133d56bbd02b2d3b9cefdcef68b7de573661331489d8fbbd7c83c756c42120019328c44bb0dcd09ff6d373313a10a
SSDEEP

12288:lNtcDwROWJpq7bwwgNrEEGoQ1k5FQm+cQoFw2x2agCN+TiGJMTQRAFB8:hcDwRq7bLg2EG10FCcQoFjx5TN

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5617443580:AAFX8iYrXMCASkw95O815OVGuLWLdSgh8Qo/sendMessage?chat_id=5334267822

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/1352-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1352-79-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1352-81-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1352-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 1436 set thread context of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 576 set thread context of 1352	576	Ziraat Bankasi swift mesaji.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
1744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1436	Ziraat Bankasi swift mesaji.exe
1436	Ziraat Bankasi swift mesaji.exe
1436	Ziraat Bankasi swift mesaji.exe
1436	Ziraat Bankasi swift mesaji.exe
1436	Ziraat Bankasi swift mesaji.exe
1436	Ziraat Bankasi swift mesaji.exe
1632	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
576	Ziraat Bankasi swift mesaji.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	Ziraat Bankasi swift mesaji.exe
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	1352	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
576	Ziraat Bankasi swift mesaji.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 1632	1436	Ziraat Bankasi swift mesaji.exe	27
PID 1436 wrote to memory of 1632	1436	Ziraat Bankasi swift mesaji.exe	27
PID 1436 wrote to memory of 1632	1436	Ziraat Bankasi swift mesaji.exe	27
PID 1436 wrote to memory of 1632	1436	Ziraat Bankasi swift mesaji.exe	27
PID 1436 wrote to memory of 1744	1436	Ziraat Bankasi swift mesaji.exe	29
PID 1436 wrote to memory of 1744	1436	Ziraat Bankasi swift mesaji.exe	29
PID 1436 wrote to memory of 1744	1436	Ziraat Bankasi swift mesaji.exe	29
PID 1436 wrote to memory of 1744	1436	Ziraat Bankasi swift mesaji.exe	29
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 1436 wrote to memory of 576	1436	Ziraat Bankasi swift mesaji.exe	31
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.exe	32
PID 576 wrote to memory of 1352	576	Ziraat Bankasi swift mesaji.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\Ziraat Bankasi swift mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi swift mesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mDixFpnqRoC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mDixFpnqRoC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBEE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1744
- 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 behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:576
- - 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:1352

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\tmpDBEE.tmp

Filesize
1KB

MD5
fdcf397e0aedc71b3e80383bff7c8f48

SHA1
c1d65b9d3d052d69761dd8da55d598c729cb7669

SHA256
8c6efb650f2c5aac2d6424060ad997729b76da635734028f8ef9e4068987c9b7

SHA512
b8fb94cb45f067bcf8ee8992a335569795e96064d19c9fcdf5e33069b02568f20ecf2c07ea2a38ddbc6a3600fcd702a006e314d89583cecc2c8ccc9541e491d2

Download Submit
memory/576-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/576-87-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/576-86-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/576-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/576-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/576-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/576-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1352-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1352-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1352-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1352-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1436-57-0x00000000003A0000-0x00000000003AC000-memory.dmp

Filesize
48KB

Download
memory/1436-54-0x00000000001A0000-0x000000000027C000-memory.dmp

Filesize
880KB

Download
memory/1436-58-0x0000000005820000-0x00000000058A2000-memory.dmp

Filesize
520KB

Download
memory/1436-63-0x0000000004690000-0x00000000046BC000-memory.dmp

Filesize
176KB

Download
memory/1436-56-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/1436-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1632-85-0x000000006F000000-0x000000006F5AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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