blustealer | 35d1369d7e59397924b0dcd48bf4211183fb232eaca9e2c518175ea2fcade926

General

Target
hesaphareketi-01.exe
Size 515KB
Sample220722-y3trdshef4
SHA256 35d1369d7e59397924b0dcd48bf4211183fb232eaca9e2c518175ea2fcade926
MD5 2ea126af8979702ca024dc668ee6066b
SHA1 484176585806adc6d043596b040222f4c5eb2905
SHA512 ed71a43da1c24b146226cc1c9a61adb6ba369d5e3c38c9fc7d913e0f433526c1cbb4744dfa1d4015eefc8f41155690e1a24b456eebea35fa600c7de07ec52d42
MD5 SHA1 SHA512

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 1 IoCs

resource	yara_rule
behavioral2/memory/4888-143-0x0000000001000000-0x000000000101A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\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
8	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1972 set thread context of 2220	1972	hesaphareketi-01.exe	77
PID 2220 set thread context of 4888	2220	hesaphareketi-01.exe	78

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 7 IoCs

pid	Process
1972	hesaphareketi-01.exe
1972	hesaphareketi-01.exe
1972	hesaphareketi-01.exe
1972	hesaphareketi-01.exe
1972	hesaphareketi-01.exe
1972	hesaphareketi-01.exe
1972	hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	hesaphareketi-01.exe
Token: SeDebugPrivilege	4888	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 1972 wrote to memory of 2220	1972	hesaphareketi-01.exe	77
PID 2220 wrote to memory of 4888	2220	hesaphareketi-01.exe	78
PID 2220 wrote to memory of 4888	2220	hesaphareketi-01.exe	78
PID 2220 wrote to memory of 4888	2220	hesaphareketi-01.exe	78
PID 2220 wrote to memory of 4888	2220	hesaphareketi-01.exe	78
PID 2220 wrote to memory of 4888	2220	hesaphareketi-01.exe	78

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2220
- - 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:4888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/1972-130-0x00000000006F0000-0x0000000000778000-memory.dmp

Download

memory/1972-131-0x0000000005790000-0x0000000005D34000-memory.dmp

Download

memory/1972-132-0x00000000050F0000-0x0000000005182000-memory.dmp

Download

memory/1972-133-0x0000000005190000-0x000000000519A000-memory.dmp

Download

memory/1972-134-0x00000000056E0000-0x000000000577C000-memory.dmp

Download

memory/2220-136-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2220-138-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2220-141-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2220-145-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/4888-143-0x0000000001000000-0x000000000101A000-memory.dmp

Download

memory/4888-144-0x0000000005580000-0x00000000055E6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads