blustealer | 711d00503de479cd6ffd1492e2d42eecd96c9a946c0d6bb088dd37c696a76f00

General

Target

hesaphareketi-01.exe
Size

89KB
MD5

a393679a29046acea89136e6924c3e19
SHA1

df345f6ee3e546d6d9320dc68482f0cc643ffed5
SHA256

711d00503de479cd6ffd1492e2d42eecd96c9a946c0d6bb088dd37c696a76f00
SHA512

787dccef6355378219f47217850df51c7ac5a72e2a1d3a04426a89bfe2ca32d0be13a2e421b4ab0cd0c95048dc53ffec1c8a95e0a9cd349b33a6818a159042e2

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/2300-153-0x0000000000160000-0x000000000017A000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	hesaphareketi-01.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ahkpy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Krpxmqcbf\\Ahkpy.exe\""	hesaphareketi-01.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 5000 set thread context of 4788	5000	hesaphareketi-01.exe	93
PID 4788 set thread context of 2300	4788	hesaphareketi-01.exe	94

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 2 IoCs

pid	Process
2444	powershell.exe
2444	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4788	hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	hesaphareketi-01.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2300	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4788	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 2444	5000	hesaphareketi-01.exe	88
PID 5000 wrote to memory of 2444	5000	hesaphareketi-01.exe	88
PID 5000 wrote to memory of 2444	5000	hesaphareketi-01.exe	88
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 5000 wrote to memory of 4788	5000	hesaphareketi-01.exe	93
PID 4788 wrote to memory of 2300	4788	hesaphareketi-01.exe	94
PID 4788 wrote to memory of 2300	4788	hesaphareketi-01.exe	94
PID 4788 wrote to memory of 2300	4788	hesaphareketi-01.exe	94
PID 4788 wrote to memory of 2300	4788	hesaphareketi-01.exe	94
PID 4788 wrote to memory of 2300	4788	hesaphareketi-01.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4788
- - 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:2300

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/2300-154-0x0000000005170000-0x000000000520C000-memory.dmp

Filesize
624KB

Download
memory/2300-153-0x0000000000160000-0x000000000017A000-memory.dmp

Filesize
104KB

Download
memory/2444-142-0x0000000005A60000-0x0000000005A7E000-memory.dmp

Filesize
120KB

Download
memory/2444-144-0x0000000005F50000-0x0000000005F6A000-memory.dmp

Filesize
104KB

Download
memory/2444-138-0x00000000024B0000-0x00000000024E6000-memory.dmp

Filesize
216KB

Download
memory/2444-139-0x0000000004C90000-0x00000000052B8000-memory.dmp

Filesize
6.2MB

Download
memory/2444-140-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/2444-141-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/2444-143-0x0000000007090000-0x000000000770A000-memory.dmp

Filesize
6.5MB

Download
memory/4788-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4788-148-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4788-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4788-155-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/5000-132-0x0000000000810000-0x000000000082C000-memory.dmp

Filesize
112KB

Download
memory/5000-136-0x0000000006AE0000-0x0000000006B02000-memory.dmp

Filesize
136KB

Download
memory/5000-135-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/5000-134-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/5000-133-0x00000000056D0000-0x0000000005C74000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads