blustealer | 7130b704fe2c8bf91508ad0dfa4869780e5afc92918f0f92e25c4e9523d1ab56

General

Target

Ziraat Bankasi Swift Mesaji.pdf.exe
Size

896KB
MD5

44be4836f3228810bdb241f11a393952
SHA1

6ad820d986a29601c52346323cdeff859deba0b6
SHA256

7130b704fe2c8bf91508ad0dfa4869780e5afc92918f0f92e25c4e9523d1ab56
SHA512

a17b9c1e08bb8bed6bc338e4ce9ccef5639fd4e9259d4401a18942c33370abce56aad6643f57be550c4066eb276ab1286647f7c326a3db9a4ef62b257416d165
SSDEEP

12288:FHa2PRb2y2aWXAwWVTqiG78nvYpYWJrj+vSjURiijEZs1s4A54ve:UY2zXKV28nv8xj3jUR/E624ve

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/1676-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1676-79-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1676-81-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1676-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 1648 set thread context of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 588 set thread context of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33

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
1700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1648	Ziraat Bankasi Swift Mesaji.pdf.exe
1648	Ziraat Bankasi Swift Mesaji.pdf.exe
1648	Ziraat Bankasi Swift Mesaji.pdf.exe
1648	Ziraat Bankasi Swift Mesaji.pdf.exe
1648	Ziraat Bankasi Swift Mesaji.pdf.exe
1648	Ziraat Bankasi Swift Mesaji.pdf.exe
1348	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
588	Ziraat Bankasi Swift Mesaji.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	Ziraat Bankasi Swift Mesaji.pdf.exe
Token: SeDebugPrivilege	1348	powershell.exe
Token: SeDebugPrivilege	1676	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
588	Ziraat Bankasi Swift Mesaji.pdf.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1348	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	28
PID 1648 wrote to memory of 1348	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	28
PID 1648 wrote to memory of 1348	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	28
PID 1648 wrote to memory of 1348	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	28
PID 1648 wrote to memory of 1700	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	30
PID 1648 wrote to memory of 1700	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	30
PID 1648 wrote to memory of 1700	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	30
PID 1648 wrote to memory of 1700	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	30
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 1648 wrote to memory of 588	1648	Ziraat Bankasi Swift Mesaji.pdf.exe	32
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33
PID 588 wrote to memory of 1676	588	Ziraat Bankasi Swift Mesaji.pdf.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hxHmXpuPT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hxHmXpuPT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFF6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1700
- C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:588
- - 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:1676

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\tmpBFF6.tmp

Filesize
1KB

MD5
0d1d0bfcbcbbc4efb51949a4a4c929a4

SHA1
35536cbda5913bdd1ef8c5abe6c2f69596925945

SHA256
4731a4b304ab8b50f0c15aab63a4f45088026aac1329fabde175b3d56dfed054

SHA512
52bd4fcd4441db77c9697fb4822bdfa137212b07b9c45cae4ba005a94122f06c25c9d2c6d8b564c03a7c138eb809c81d871d2bc573a3a501da3d966b0293d3ed

Download Submit
memory/588-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/588-86-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/588-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/588-88-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/588-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/588-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/588-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1348-85-0x000000006E410000-0x000000006E9BB000-memory.dmp

Filesize
5.7MB

Download
memory/1348-87-0x000000006E410000-0x000000006E9BB000-memory.dmp

Filesize
5.7MB

Download
memory/1648-58-0x0000000004E30000-0x0000000004EB2000-memory.dmp

Filesize
520KB

Download
memory/1648-63-0x0000000005D60000-0x0000000005D8C000-memory.dmp

Filesize
176KB

Download
memory/1648-54-0x00000000009B0000-0x0000000000A90000-memory.dmp

Filesize
896KB

Download
memory/1648-57-0x0000000000710000-0x000000000071C000-memory.dmp

Filesize
48KB

Download
memory/1648-56-0x0000000000670000-0x000000000068C000-memory.dmp

Filesize
112KB

Download
memory/1648-55-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/1676-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1676-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1676-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1676-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads